DRC-2010-004826 - 0901a06880361ab5

DENISO
MINES
DRC
Denison Mines (USA) Corp.
105017th Street, Suite 950
Denver, CO 80265
USA
Tei: 303 628-7798
Fax: 303 389^125
www.denisonmine8.com
Sent VIA Federal Express
August 30, 2010
Mr. Rusty Lundberg
Co-Executive Secretary
Utah Water Quality Board
Utah Department of Environmental Quality
195 North 1950 West
P.O. Box 144810
Salt Lake City, UT 84114-4820
Received
SEP ->^'-^
Division nf
Radiation Control
Re: Transmittal of 2nd Quarter 2010 Chloroform Monitoring Report
Groundwater Quality Discharge Permit UGW370004 White Mesa Uranium Mill
Dear Mr. Lundberg:
Enclosed are two copies of the White Mesa Uranium Mill Chloroform Monitoring Report for the
2nd Quarter of 2010 as required by the Groundwater Quality Discharge Permit UGW370004, as well
as two CDs each containing a word searchable electronic copy of the report.
If you should have any questions regarding this report please contact me.
Yours very truly,
DENISON MINES (USA) CORP.
Jo Ann Tischler
Director, Compliance and Permitting
CC: Ron F. Hochstein
David C. Frydeniund
Harold R. Roberts
David E. Turk
Kathy Weinel
OENISOJ)~~
MINES
Sent VIA Federal Express
August 30,2010
Mr.Rusty Lundberg
Co-Executive Secretary
Utah Water Quality Board
Utah Department ofEnvironmental Quality
195 North 1950 West
P.O.Box 144810
Salt Lake City,UT 84114-4820
Denilon Mines (USA)Corp.
1050 17th Street,Suite 950
Denver,CO 80265
USA
Tel:303 628-n98
Fax:[phone]
www.denisonmines.com
Re:Transmittal of2nd Quarter 2010 Chloroform Monitoring Report
Groundwater Quality Discharge Permit UGW370004 White Mesa Uranium Mill
Dear Mr.Lundberg:
Enclosed are two copies of the White Mesa Uranium Mill Chlorofonn Monitoring Report for the
2nd Quarter of2010 as required by the Groundwater Quality Discharge Pennit UGW370004,as well
as two CDs each containing a word searchable electronic copy ofthe report.
Ifyou should have any questions regarding this report please contact me.
Yours very truly,
~~
DENISON MINES (USA)CORP.
JoAnn Tischler
Director,Compliance and Pennitting
CC:Ron F.Hochstein
David C.Frydenlund
Harold R.Roberts
David E.Turk
Kathy Weinel

White Mesa Uranium Mill

Chloroform Monitoring Report

State of Utah
Notice of Violation and Groundwater Corrective Action Order UDEQ
Docket No. UGQ-20-01

2nd Quarter
(April through June)
2010

Prepared by:

Denison Mines (USA) Corp. (DUSA)
1050 17th Street, Suite 950
Denver CO 80265

August 30, 2010
i
TABLE OF CONTENTS
1.0 INTRODUCTION................................................................................................. 1 
2.0 CHLOROFORM MONITORING ...................................................................... 1 
2.1 Samples and Measurements Taken During the Quarter ..................................... 1 
2.1.1 Chloroform Monitoring .............................................................................. 1 
2.1.2 Parameters Analyzed .................................................................................. 2 
2.1.3 Groundwater Head Monitoring ................................................................... 2 
2.2 Sampling Methodology and Equipment and Decontamination Procedures ....... 3 
2.2.1 Well Purging and Depth to Groundwater ................................................... 3 
2.2.2 Sample Collection ....................................................................................... 4 
2.3 Field Data ............................................................................................................ 4 
2.4  Depth to Groundwater Data and Water Table Contour Map .............................. 5 
2.5 Laboratory Results .............................................................................................. 5 
2.5.1 Copy of Laboratory Results ........................................................................ 5 
2.5.2 Regulatory Framework ............................................................................... 5 
3.0 QUALITY ASSURANCE AND DATA VALIDATION ................................... 6 
3.1 Field QC Samples ............................................................................................... 6 
3.2 Adherence to Mill Sampling SOPs ..................................................................... 7 
3.3 Analyte Completeness Review ........................................................................... 7 
3.4 Data Validation ................................................................................................... 7 
3.4.1 Field Data QA/QC Evaluation .................................................................... 7 
3.4.2 Holding Time Evaluation ............................................................................ 9 
3.4.3 Receipt Temperature Evaluation ................................................................. 9 
3.4.4 Analytical Method Checklist ...................................................................... 9 
3.4.5 Reporting Limit Evaluation ........................................................................ 9 
3.4.6 Trip Blank Evaluation ................................................................................. 9 
3.4.7 QA/QC Evaluation for Sample Duplicates ................................................. 9 
3.4.8 Rinsate Sample Check .............................................................................. 10 
3.4.9 Other Laboratory QA/QC ......................................................................... 12 
4.0 INTERPRETATION OF DATA ....................................................................... 13 
4.1 Interpretation of Groundwater Levels, Gradients and Flow Directions. .......... 13 
4.1.1 Current Site Groundwater Contour Map................................................... 13 
4.1.2 Comparison of Current Groundwater Contour Maps to Groundwater Contour
Map for Previous Quarter ......................................................................... 13 
4.1.3 Hydrographs .............................................................................................. 14 
4.1.4 Depth to Groundwater Measured and Groundwater Elevation ................. 14 
4.1.5  Evaluation of the Effectiveness of Hydraulic Capture ............................. 14 
4.2 Review of Analytical Results............................................................................ 15 
4.2.1 Current Chloroform Isoconcentration Map .............................................. 15 
4.2.2 Chloroform Concentration Trend Data and Graphs .................................. 15 
4.2.3 Interpretation of Analytical Data .................................................................... 15 
5.0 LONG TERM PUMP TEST AT MW-4, TW4-15 (MW-26), TW4-19, TW4-
20, AND TW4-4 OPERATIONS REPORT ...................................................... 17 
5.1 Introduction ....................................................................................................... 17 
5.2 Pump Test Data Collection ............................................................................... 17 
5.3 Water Level Measurements .............................................................................. 18 
ii
5.4 Pumping Rates and Volumes ............................................................................ 18 
5.4.1 MW-4 ........................................................................................................ 18 
5.4.2 TW4-19 ..................................................................................................... 18 
5.4.3 TW4-15 (MW-26) ..................................................................................... 18 
5.4.4 TW4-20 ..................................................................................................... 19 
5.4.5 TW4-4 ....................................................................................................... 19 
5.4.6 TW4-18 ..................................................................................................... 19 
5.5 Mass Removed .................................................................................................. 19 
5.6 Daily Inspections .............................................................................................. 19 
5.7 Conditions That May Affect Water Levels in Piezometers .............................. 20 
6.0 CORRECTIVE ACTION REPORT ................................................................. 20 
6.1 Turbidity ........................................................................................................... 20 
6.2 Depth to Water .................................................................................................. 21 
6.3 Rinsate Sample Chloroform and Nitrate Levels ............................................... 22 
7.0 CONCLUSIONS AND RECOMMENDATIONS ............................................ 25 
8.0 ELECTRONIC DATA FILES AND FORMAT .............................................. 26 
9.0 SIGNATURE AND CERTIFICATION ........................................................... 27 
iii
LIST OF TABLES

Table 1 Summary of Well Sampling for the Period
Table 2 Mass of Chloroform Removed Per Well Per Quarter

INDEX OF TABS
Tab A Site Plan and Perched Well Locations White Mesa Site

Tab B Order of Sampling and Field Data Worksheets

Tab C Weekly and Monthly Depth to Water Data

Tab D Kriged Current Quarter Groundwater Contour Map, Capture Zone Map, Capture
Zone Details Map, and Depth to Water Data Table

Tab E Kriged Previous Quarter Groundwater Contour Map

Tab F Hydrographs of Groundwater Elevations Over Time for Chloroform Monitoring
Wells

Tab G Depths to Groundwater and Elevations Over Time for Monitoring Wells

Tab H Laboratory Analytical Reports

Tab I Quality Assurance and Data Validation Tables
I-1 Field Data QA/QC Evaluation
I-2 Holding Time Evaluation
I-3 Receipt Temperature Check
I-4 Analytical Method Check
I-5 Reporting Limit Evaluation
I-6 Trip Blank Evaluation
I-7 QA/QC Evaluation for Sample Duplicates
I-8 QC Control Limits for Analyses and Blanks
I-9 Rinsate Evaluation

Tab J Kriged Current Quarter Chloroform Isoconcentration Map

Tab K Analyte Concentration Data Over Time

Tab L Chloroform Concentration Trend Graphs

Tab M Chloroform Well Daily Inspection Form

Tab N CSV Transmittal Letter
1
1.0 INTRODUCTION
The presence of chloroform was initially identified in groundwater at the White Mesa
Mill (the “Mill”) as result of split sampling performed in May 1999. The discovery
resulted in the issuance of State of Utah Notice of Violation (“NOV”) and Groundwater
Corrective Action Order (“CAO”) State of Utah Department of Environmental Quality
(“UDEQ”) Docket No. UGQ-20-01, which required that Denison Mines (USA) Corp.
(“DUSA”) submit a Contamination Investigation Plan and Report pursuant to the
provisions of UAC R317-6-6.15(D).

The frequency of chloroform sampling, which was initially performed on a monthly
basis, was modified on November 8, 2003. Since that time all chloroform contaminant
investigation wells have been sampled on a quarterly basis.

This is the Quarterly Chloroform Monitoring Report for the 2nd Quarter of 2010 as
required under the NOV and CAO. This Report also includes the Operations Report for
the Long Term Pump Test at MW-4, TW4-19, TW4-15 (MW-26), TW4-20, and TW4-4
for the Quarter and for the operation of TW4-18 for the period it was used.
2.0 CHLOROFORM MONITORING
2.1 Samples and Measurements Taken During the Quarter

A map showing the location of all groundwater monitoring wells, piezometers, existing
wells, temporary chloroform contaminant investigation wells and temporary nitrate
investigation wells is attached under Tab A. Chloroform samples and measurements
taken during this reporting period (April through June), are discussed in the remainder of
this section.
2.1.1 Chloroform Monitoring

Quarterly sampling for chloroform monitoring parameters is currently required in the
following wells:

TW4-1 TW4-10 TW4-21
TW4-2 TW4-11 TW4-22
TW4-3 TW4-12 TW4-23
TW4-4 TW4-13 TW4-24
TW4-5 TW4-14 TW4-25
TW4-6 TW4-16 MW-4
TW4-7 TW4-18 MW-26 (TW4-15)
TW4-8 TW4-19 MW-32 (TW4-17)
TW4-9 TW4-20 TW4-26

2

Table 1 provides an overview of all wells sampled during the current period, along with
the date samples were collected from each well, and the date(s) which analytical data
were received from the contract laboratory. Table 1 also identifies equipment rinsate
samples collected, as well as sample numbers associated with the deionized (DI) field
blank and any required duplicates.

As indicated in Table 1, chloroform monitoring was performed in all of the required
chloroform monitoring wells.
2.1.2 Parameters Analyzed

Wells sampled during this reporting period were analyzed for the following constituents:

• Chloroform
• Chloromethane
• Carbon tetrachloride
• Methylene chloride
• Chloride
• Nitrate plus Nitrite as Nitrogen

Use of analytical methods is consistent with the requirements of the Chloroform
Investigation Monitoring Quality Assurance Program (the “Chloroform QAP”) attached
as Appendix A to the White Mesa Uranium Mill Groundwater Monitoring Quality
Assurance Plan (“QAP”).
2.1.3 Groundwater Head Monitoring

Depth to groundwater was measured in the following wells and/or piezometers, pursuant
to Part I.E.3 of the Groundwater Discharge Permit (the “GWDP”):

• The quarterly groundwater compliance monitoring wells.
• Existing monitoring well MW-4 and all of the temporary chloroform investigation
wells.
• Piezometers – P-1, P-2, P-3, P-4 and P-5.
• MW-20 and MW-22.
• Nitrate monitoring wells.
• In addition to the above, depth to water measurements are routinely observed in
conjunction with sampling events for all wells sampled during quarterly and
accelerated efforts, regardless of the sampling purpose.

All well levels used for groundwater contour mapping were measured and recorded
within 5 calendar days of each other except TW4-26 as indicated by the measurement
dates in the summary sheet under Tab D. TW4-26 was installed after the quarterly water
levels were measured. Water level data for TW4-26 was recorded when the well was
first sampled in June 2010.
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In addition, weekly and monthly depth to groundwater measurements were taken in MW-
4, TW4-15 (MW-26), TW4-19, TW4-20, and, commencing regularly on March 1, 2010
for TW4-4, as part of the long term pumping test for MW-4.

2.2 Sampling Methodology and Equipment and Decontamination Procedures

DUSA completed, and transmitted to UDEQ on May 25, 2006, a revised QAP for
sampling under the Mill’s GWDP. While the water sampling conducted for chloroform
investigation purposes has conformed to the general principles set out in the QAP, some
of the requirements in the QAP were not fully implemented prior to UDEQ’s approval,
for reasons set out in correspondence to UDEQ dated December 8, 2006. Subsequent to
the delivery of the December 8, 2006 letter, DUSA discussed the issues brought forward
in the letter with UDEQ and has received correspondence from UDEQ about those issues.
In response to UDEQ’s letter and subsequent discussions with UDEQ, DUSA has
incorporated changes in chloroform Quality Assurance (“QA”) procedures in the form of
the Chloroform QAP, which is a separate Appendix A to the QAP. The Chloroform QAP
describes the differing needs of the chloroform investigation program, and is an
attachment to the GWDP QAP where QA requirements for the chloroform investigation
are addressed. On June 20, 2009 the Chloroform QAP was modified to require that the
quarterly chloroform reports include additional items specific to DUSA’s ongoing pump
testing and chloroform capture efforts.

The sampling methodology, equipment and decontamination procedures that were
performed for the chloroform contaminant investigation, as summarized below, are
consistent with the QAP and the Chloroform QAP.
2.2.1 Well Purging and Depth to Groundwater

A list of the wells in order of increasing chloroform contamination is generated quarterly.
The order for purging and sampling is thus established. The list is included with the
Field Data Worksheets under Tab B. Mill personnel start purging with all of the non-
detect wells and then move to the more contaminated wells in order of chloroform
contamination.

Before leaving the Mill office, the portable pump and hose are rinsed with DI water. Mill
personnel then proceed to the first well which is the well with the lowest concentration of
chloroform based on the previous quarter’s sampling results. Well depth measurements
are taken and the two casing volumes are calculated for those wells which do not have a
dedicated pump (measurements are made using the same instrument used for the
monitoring wells under the Mill’s GWDP). If the well has a dedicated pump, it is
pumped on a set schedule per the remediation plan and is considered sufficiently
evacuated to immediately collect a sample; however, if a pumping well has been out of
service for 48 hours or more, DUSA will follow the purging requirements outlined in
Section 6.2.7(d)(v) of the QAP. The dedicated pump is used to collect parameters and to
collect the samples. If the well does not have a dedicated pump, a Grundfos pump (9 - 10
gpm pump) is then lowered to the screened interval in the well and purging is started.
4
The purge rate is established for the well by using a calibrated 5 gallon bucket. The
purging of the well is completed per Section 6.2.5 of the QAP. In wells where the
portable pump is used, a disposable bailer is used to collect the samples the day following
purging activities. After each use, the portable pump is decontaminated and a rinsate
sample is collected prior to reuse at the next sample location. This process is repeated at
each well location moving from least contaminated to the most contaminated well. All
wells are capped and secured prior to leaving the sampling location.
2.2.2 Sample Collection

Samples are collected as described above. In all cases, on days when samples will be
collected, a cooler with ice is prepared. The trip blank is also gathered at that time (the
trip blank for these events is provided by the Analytical Laboratory). Once Mill
Personnel arrive at the well sites, labels are filled out for the various samples to be
collected. All personnel involved with the collection of water and samples are then
outfitted with rubber gloves. Chloroform investigation samples are collected by means of
disposable bailers.

Mill personnel use a disposable bailer to sample each well that does not have a dedicated
pump. The bailer is attached to a reel of approximately 150 feet of nylon rope and then
lowered into the well. After coming into contact with the water, the bailer is allowed to
sink into the water in order to fill. Once full, the bailer is reeled up out of the well and
the sample bottles are filled as follows:

• Volatile Organic Compound (“VOC”) samples are collected first. This sample
consists of three 40 ml vials provided by the Analytical Laboratory. The VOC
sample is not filtered and is preserved with HCl;

• A sample for nitrate/nitrite is then collected. This sample consists of one 250 ml.
bottle which is provided by the Analytical Laboratory. The nitrate/nitrite sample
is also not filtered and is preserved with H2SO4;

• A sample for chloride is then collected. This sample consists of one 500 ml.
bottle which is provided by the Analytical Laboratory. The chloride sample is
also not filtered and is not chemically preserved.

After the samples have been collected for a particular well, the bailer is disposed of and
the samples are placed into the cooler that contains ice. The well is then recapped and
Mill personnel proceed to the next well.

2.3 Field Data

Attached under Tab B are copies of all Field Data Worksheets that were completed
during the quarter for the chloroform contaminant investigation monitoring wells
identified in paragraph 2.1.1 above, and Table 1.

5
2.4 Depth to Groundwater Data and Water Table Contour Map

Attached under Tab C are copies of the Depth to Water Sheets for the weekly monitoring
of MW-4, TW4-15 (MW-26), TW4-19, TW4-20, and commencing regularly on March 1,
2010, TW4-4, as well as the monthly depth to groundwater data for chloroform
contaminant investigation wells measured during the quarter that are not included in Tab
D. Depth to groundwater measurements which were utilized for groundwater contours
are included on the Quarterly Depth to Water Worksheet at Tab D of this report, along
with the kriged groundwater contour map for the current quarter generated from this data.
All of the water level measurements used for the contour map were collected within 5
days of each other except TW4-26 as indicated by the measurement dates in the summary
sheet under Tab D. TW4-26 was installed after the quarterly water levels were measured.
Water level data for TW4-26 was recorded when the well was first sampled in June 2010.
A copy of the kriged groundwater contour map generated from the 1st quarter 2010 data
is provided under Tab E.

2.5 Laboratory Results
2.5.1 Copy of Laboratory Results

All analytical results were provided by Energy Laboratories (“EL”). Table 1 lists the
dates when analytical results were reported to the QA Manager for each well or other
sample.

Results from analysis of samples collected for the 2nd Quarter chloroform contaminant
investigation are provided under Tab H of this Report. Also included under Tab H are
the results of analyses for duplicate samples and rinsate samples for this sampling effort,
as identified in Table 1, as well as results for trip blank analyses required by the
Chloroform QAP.

2.5.2 Regulatory Framework

As discussed in Section 1.0, above, the NOV and requirements of the CAO triggered a
series of actions on DUSA’s part. In addition to the monitoring program, DUSA has
equipped five wells with pumps to recover impacted groundwater, and has initiated
recovery of chloroform from the perched zone. The fifth well, TW4-4, was installed in
January 2010, and commenced pumping on January 31, 2010. It was not fully equipped
for flow measurement until March 31, 2010, when pumping and groundwater capture
flowrates and totals were first recorded. TW4-18 was equipped with a pump and
flowmeter in preparation for using water from this well to supply the New
Decontamination Pad at the Mill. Pumping commenced sporadically on March 22 and
ended on May 4, 2010. The pump was removed from TW4-18 and the determination was
made not to use this well to supply water to the new decontamination pad.

6
Sections 4 and 5, below, interpret the groundwater level and flow information,
contaminant analytical results, and pump test data to assess effectiveness of DUSA’s
chloroform capture program.
3.0 QUALITY ASSURANCE AND DATA VALIDATION
The QA Manager performed a QA/Quality Control (“QC”) review to confirm compliance
of the monitoring program with requirements of the QAP. As required in the QAP, data
QA includes preparation and analysis of QC samples in the field, review of field
procedures, an analyte completeness review, and QC review of laboratory methods and
data. Identification of field QC samples collected and analyzed is provided in Section
3.1. Discussion of adherence to Mill sampling Standard Operating Procedures (“SOPs”)
is provided in Section 3.2. Analytical completeness review results are provided in
Section 3.3. The steps and tests applied to check laboratory data QA/QC are discussed in
Sections 3.4.4 through 3.4.9 below.

The analytical laboratory has provided summary reports of the analytical quality QA/QC
measurements necessary to maintain conformance with National Environmental
Laboratory Accreditation Conference (“NELAC”) certification and reporting protocol.
The Analytical Laboratory QA/QC Summary Reports, including copies of the Mill’s
Chain of Custody and Analytical Request Record forms for each set of Analytical
Results, follow the analytical results under Tab H. Results of review of the laboratory
QA/QC information are provided under Tab I and are discussed in Section 3.4, below.

3.1 Field QC Samples

The following QC samples were generated by Mill personnel and submitted to the
analytical laboratory in order to assess the quality of data resulting from the field
sampling program.

Field QC samples for the chloroform investigation program consist of one field duplicate
sample for each 20 samples, a trip blank for each shipped cooler which contains VOCs,
one DI Field Blank (DIFB) and rinsate samples.

During the 2nd Quarter of 2010, two duplicate samples were collected as indicated in
Table 1. The duplicates were sent blind to the analytical laboratory and analyzed for the
same parameters as the chloroform wells.

Two trip blanks were provided by Energy Laboratories and returned with the quarterly
chloroform monitoring samples.

Rinsate samples were also collected between well samples where nondedicated purging
equipment was used. Rinsate samples were labeled with the name of the subsequently
purged well with a terminal letter “R” added (e.g. TW4-7R). The results of these
analyses are included with the routine analyses under Tab H.

7
In addition, one DIFB, while not required by the Chloroform QAP, was collected and
analyzed for the same constituents as the well samples and rinsate samples.

3.2 Adherence to Mill Sampling SOPs

On a review of adherence by Mill personnel to the existing sampling SOPs, the QA
Manager observed that QA/QC requirements established in the QAP and Chloroform
QAP were being adhered to and that the SOPs were implemented, except as described
below.

3.3 Analyte Completeness Review

All analyses required by the GWDP for chloroform monitoring for the period were
performed.

3.4 Data Validation

The QAP and GWDP identify the data validation steps and data QC checks required for
the chloroform monitoring program. Consistent with these requirements, the QA
Manager performed the following evaluations: a field data QA/QC evaluation, a holding
time check, a receipt temperature check, an analytical method check, a reporting limit
evaluation, a trip blank check, a QA/QC evaluation of sample duplicates, a QC Control
Limit check for Analyses and blanks including the DIFB and a rinsate sample check.
Each evaluation is discussed in the following sections. Data check tables indicating the
results of each test are provided under Tab I.

3.4.1 Field Data QA/QC Evaluation

The QA Manager performs a review of all field recorded parameters to assess their
adherence with QAP requirements. The assessment involved review of two sources of
information: the Field Data Sheets and the Quarterly Depth to Water summary sheet.
Review of the Field Data Sheets addresses well purging volumes and stability of five
parameters: conductance, pH, temperature, redox potential, and turbidity. Review of the
Depth to Water data confirms that all depth measurements used for development of
groundwater contour maps were conducted within a five-day period except TW4-26 as
indicated by the measurement dates in the summary sheet under Tab D. TW4-26 was
installed after the quarterly water levels were measured. Water level data for TW4-26
was recorded when the well was first sampled in June 2010. The results of this quarter’s
review of field data are provided under Tab I.

Based upon this review, all non-pumping wells conformed to the QAP requirement to
evacuate two well casing volumes before sampling except TW4-2, TW4-3, TW4-7,
TW4-9, and TW4-10. All of these wells were pumped to dryness before two casing
volumes were evacuated. In each case, representative samples of formation water were
collected after the wells were allowed to recover.

8
During review of the field data sheets, it was observed that sampling personnel
consistently recorded depth to water to the nearest 0.01 foot except in wells TW4-3,
TW4-14, TW4-18 and TW4-19. The depth to water measurements for TW4-3, TW4-14,
and TW4-18 were measured to the nearest 0.01 feet, however, the “trailing zero” which
represents the hundredths place was not recorded during the field activities. In other
words, the depth to water measurement for TW4-3 was 48.70 feet; however, the field
personnel only recorded 48.7 feet. In the case of TW4-19, no depth to water
measurement was taken prior to the sample collection, however, TW4-19 is a
continuously pumped well and the depth to water information is not necessary to
determine casing volumes for purging. Additionally, depth to water is measured weekly
in the continuously pumped wells and there is no loss of data from the unrecorded
measurement. All of the depth to water data are acceptable and usable with no
limitations, as there is no loss of data necessary for the chloroform monitoring program.
The corrective action to prevent recurrence is described in Section 6.

All field parameters for all wells were within the required Relative Percent Difference
(“RPD”) (other than the wells that were pumped to dryness and the wells which are
continually pumped, for which this requirement does not apply), except as follows.

The review of the field sheets for compliance with QAP requirements resulted in the
observations noted below. The requirements in Section 6.2.7 of the QAP specifically
state that field parameters must have stabilized to within 10% over at least 2 consecutive
measurements. The QAP states that turbidity should be less than 5 Nephlometric
Turbidity Units (“NTU”) prior to sampling unless the well is characterized by water that
has a higher turbidity. The QAP does not require that turbidity measurements be less
than 5 NTU prior to sampling. As such, the noted observations regarding turbidity
measurements less than 5 NTU below are included for information purposes only.

Only one set of field parameters was collected from well TW4-14 as a result of the well
being pumped dry after purging for only 7 minutes. Additionally, four other wells were
pumped to dryness, and there are 5 continuously pumped wells. The continuously
pumped wells are excluded from these QAP goals and requirements because, if a well is
continuously pumped, it is pumped on a set schedule per the remediation plan and is
considered sufficiently evacuated to immediately collect a sample. For continuously
pumped wells, the field parameters are therefore collected for information purposes only.
The wells that were pumped to dryness or continuously pumped are not included in the
totals below.

Sixteen turbidity measurements exceeded the QAP’s 5 NTU goal and ten turbidity
measurements exceeded the 10% RPD criteria specified in the QAP. DUSA’s letter to
DRC of March 26, 2010 discusses further why turbidity does not appear to be an
appropriate parameter for assessing well stabilization. In addition, DUSA is currently
reviewing historical well development data in response to DRC’s letters dated June 1,
2010 and June 24, 2010 to determine additional well development strategies as required
by DRC prior to DRC’s consideration of turbidity variances.
9
3.4.2 Holding Time Evaluation

QAP Table 1 identifies the method holding times for each suite of parameters. Sample
holding time checks are provided in Tab I. All samples were received and analyzed
within the required holding time.
3.4.3 Receipt Temperature Evaluation

Chain of Custody sheets were reviewed to confirm compliance with the QAP requirement
which specifies that samples be received at 6oC or lower. Sample temperatures checks
are provided in Tab I. All samples were received within the required temperature limit.
3.4.4 Analytical Method Checklist

All analytical methods reported by the laboratory were checked against the required
methods enumerated in the Chloroform QAP. Analytical method checks are provided in
Tab I. All methods were consistent with the requirements of the Chloroform QAP.
3.4.5 Reporting Limit Evaluation

All analytical method reporting limits reported by the laboratory were checked against
the reporting limits enumerated in the Chloroform QAP. Reporting Limit Checks are
provided under Tab I. All analytes were measured and reported to the required reporting
limits, except 25 sets of routine sample results (24 wells, and 1 duplicate) had the
reporting limit raised for at least one analyte due to matrix interference and/or sample
dilution. In all cases the reported value for the analyte was higher than the increased
detection limit.
3.4.6 Trip Blank Evaluation

All trip blank results were reviewed to identify any VOC contamination resulting from
transport of the samples. Trip blank checks are provided in Tab I. All trip blank results
were less than detection level for all VOC analytes.
3.4.7 QA/QC Evaluation for Sample Duplicates

Section 9.1.4 a) of the QAP states that RPDs will be calculated for the comparison of
duplicate and original field samples. The QAP acceptance limits for RPDs between the
duplicate and original field sample is less than or equal to 20% unless the measured
results (described as activities in the QAP) are less than 5 times the required detection
limit. This standard is based on the EPA Contract Laboratory Program National
Functional Guidelines for Inorganic Data Review, February 1994, 9240.1-05-01 as cited
in the QAP. The RPDs are calculated for all duplicate pairs for all analytes regardless of
whether or not the reported concentrations are greater than 5 times the required detection
limits; however, data will be considered noncompliant only when the results are greater
than 5 times the required detection limit and the RPD is greater than 20%. The additional
duplicate information is provided for information purposes.

10
All analytical results were within the 20% RPD acceptance limits for each of the two
duplicates and its associated well. Results of the RPD test are provided in Tab I.
3.4.8 Rinsate Sample Check

Rinsate sample checks are provided in Tab I.

Chloroform

A review of the analytical results reported for rinsate samples indicated that all but one of
the rinsate samples contained some presence of chloroform. The rinsate sample
chloroform levels ranged from 4.0 to 41 ug/L. The DIFB reported chloroform at 36 ug/L.

A comparison of the rinsate concentration levels to the QAP requirements – that rinsate
sample concentrations of the sampling equipment be one order of magnitude lower than
that of the actual well – indicated that 12 samples did not meet this criteria. This criterion
however, is inappropriate for the rinsate sample data collected during the chloroform
investigation because rinsate samples are collected from the decontaminated portable
pump used for well purging, and the pump is not used for sample collection. As stated in
Section 2.2.1, wells that do not have a dedicated pump are purged using a portable pump.
In wells where the portable pump is used for purging, a disposable bailer is used to
collect the samples the day following purging activities. Rinsate samples collected from
the portable pump are indicative of possible cross-contamination resulting from pump
usage during the purging process but are not directly applicable to the sample results due
to the use of different equipment (disposable bailers) for the sample collection. The
pump used for purging does not come into contact with the samples at any time during
the sample collection process. Any chloroform left in the well from pump cross-
contamination is reduced or negated by the influx of formation water into the well in the
time after purging and prior to sampling. This is further evidenced in wells with no
reported detections of chloroform. In those wells with no detections of chloroform, the
rinsate sample results ranged from 4 to 19 ug/L of chloroform. If the chloroform in the
associated rinsate samples were indicative of sample cross-contamination, then the
samples would also report detections. Because samples are collected the day following
purging and using different equipment the cross-contamination resulting from the pump
use or decontamination fluids is not applicable to the sample results because the pump
does not contact the samples. Corrective actions and recommendations are discussed in
Section 6.

Nitrate

In addition, fourteen rinsate samples had reported low level concentrations of nitrate.
The DIFB did not have a reported concentration for nitrate. A comparison of the rinsate
sample concentration levels to the QAP requirements – that rinsate sample concentrations
be one order of magnitude lower than that of the actual well – indicated that 2 samples
did not meet this criteria. In both of these cases the rinsate sample reported detections
and the subsequent sample results were nondetect. As previously stated, the criteria to
compare the rinsate sample results to the well sample results are inappropriate for the
11
rinsate sample data collected during the chloroform investigation for the reasons stated
above.

The nitrate levels reported in the rinsate samples for this investigation are similar to the
nitrate rinsate sample concentrations reported for the nitrate investigation. In both cases,
the nitrate concentrations in the rinsate samples are just at or slightly above the detection
limit and are not dependent on or affected by the previous sample concentrations. This
indicates that the contamination is due to some external factor such as the nitric acid rinse
during the decontamination process rather than cross- contamination from the purging
process.

The above findings indicate that chloroform and nitrate contamination present in the
rinsate samples is originating, at least in part, from the DI rinsate process including the
DI water used and the nitric acid rinse or both.

However, because the rinsate samples are collected from the pump used for purging and
the samples do not come in contact with the pump, for this current quarter’s data, the
presence of chloroform and nitrate in the rinsate samples does not affect the validity or
utility of the groundwater data. Samples are collected using equipment which does not
go through the decontamination process as it is disposable.

Based on the QA Manager’s review of DI preparation, transport and use procedures, and
pump decontamination procedures, chloroform and nitrate may have entered the rinsate
sample collection process through any of the following routes, a combination of these
routes, or other pathways:

1. The DI filter system may be contaminated with chloroform from laboratory
processes thus introducing chloroform into the DI water used for decontamination
and rinsate sample preparation.
2. DI, which is both a corrosive agent to natural materials and an aggressive leaching
solvent to some synthetic materials, may have attacked the synthetic containers
used to carry it to the field and introduced VOCs (chloroform) from polymer
degradation products.
3. The nitric acid rinse used during decontamination may be introducing low level
nitrate contamination in the rinsate samples.
4. Cross-contamination of purging equipment from the wells may be occurring,
given that the rinsate samples that follow the purge of the higher concentration
monitoring wells tend to have higher concentrations of chloroform. However,
since disposable bailers are used to collect samples, that negates the effect on the
samples. Any chloroform deposition into the wells during the purging process is
reduced or negated by the influx of formation water.

The QA Manager plans to implement a testing program to attempt to isolate the source(s)
which are introducing chloroform and nitrate into the rinsate sample collection process.
The planned approach is discussed further in Section 6, below. Specific steps of the
isolation program are already underway as discussed in Section 6.
12
3.4.9 Other Laboratory QA/QC

Section 9.2 of the QAP requires that the laboratory’s QA/QC Manager check the
following items in developing data reports: (1) sample preparation information is correct
and complete, (2) analysis information is correct and complete, (3) appropriate analytical
laboratory procedures are followed, (4) analytical results are correct and complete, (5)
QC samples are within established control limits, (6) blanks are within QC limits, (7)
special sample preparation and analytical requirements have been met, and (8)
documentation is complete. In addition to other laboratory checks described above,
DUSA’s QA Manager rechecks QC samples and blanks (items (5) and (6)) to confirm
that the percent recovery for spikes and the relative percent difference for spike
duplicates are within the method-specified acceptance limits, or that the case narrative
sufficiently explains any deviation from these limits. Results of this quantitative check
are provided in Tab I.

All lab QA/QC results met these specified acceptance limits except as noted below.

The QAP Section 8.1.2 requires that an MS/MSD (referred to as Duplicate Spike [Matrix
spike] in the QAP) pair be analyzed with each analytical batch. The QAP does not
specify acceptance limits for the MS/MSD pair, and the QAP does not specify that the
MS/MSD pair be prepared on DUSA samples only. Acceptance limits for MS/MSDs are
set by the laboratories. The review of the information provided by the laboratories in the
data packages verified that the QAP requirement to analyze an MS/MSD pair with each
analytical batch was met. While the QAP does not require it, the recoveries were
reviewed for compliance with the laboratory established acceptance limits. The QAP
does not require this level of review, and the results of this review are provided for
information only.

The information from the Laboratory QA/QC Summary Reports indicates that the
MS/MSDs recoveries and the associated RPDs for all quarterly chloroform samples are
within acceptable laboratory limits for all regulated compounds except as indicated in
Tab I. The recoveries and RPDs which are above the laboratory established acceptance
limits do not affect the quality or usability of the data because the recoveries and RPDs
above the acceptance limits are indicative of matrix interference. Furthermore, the VOC
MS/MSD pair in Workorder number C10060760 and one of the two MS/MSD pairs in
Workorder C10060476 were not collected at the Mill, and as such the matrix interference
is not applicable to the Mill samples reported herein. The QAP requirement to analyze a
MS/MSD pair with each analytical batch was met and as such the data are compliant with
the QAP.

The QAP specifies that surrogate compounds shall be employed for all organic analyses,
but the QAP does not specify acceptance limits for surrogate recoveries. The analytical
data associated with the routine quarterly sampling met the requirement specified in the
QAP. The information from the Laboratory QA/QC Summary Reports indicates that the
surrogate recoveries for all quarterly chloroform samples were within acceptable
laboratory limits for all surrogate compounds except as indicated in Tab I. The surrogate
13
recoveries that were outside of acceptance limits above the upper limit or that had a high
recovery, indicate a high bias to the individual sample results. A high bias means that
reported results will tend to be more conservative or higher than actual levels. There
were two reported surrogate results which were below the lower acceptance limits. These
results indicate a potential low bias to the individual sample results only. In both
instances the low surrogate recoveries were in rinsate samples. There is no effect on the
quality or usability of the data because there are multiple surrogates added to each sample
and all other surrogates were within limits. Furthermore, there are no QAP requirements
for surrogate recoveries.
4.0 INTERPRETATION OF DATA
4.1 Interpretation of Groundwater Levels, Gradients and Flow Directions.
4.1.1 Current Site Groundwater Contour Map

As stated above, a listing of groundwater level readings for the current quarter (shown as
depth to groundwater in feet) is included under Tab D. The data from this tab has been
interpreted (kriged) and plotted in a water table contour map, provided under the same
tab.

Also included under Tab D is a groundwater contour map of the Mill site and a more
detailed map of a portion of the Mill site where the four chloroform pumping wells are
located, in each case with hand-drawn stream tubes, depicting hydraulic capture from the
pumping

The contour maps are based on the May 11, 2010 data for all wells except TW4-26 as
indicated by the measurement dates in the summary sheet under Tab D. TW4-26 was
installed after the quarterly water levels were measured. Water level data for TW4-26
was recorded when the well was first sampled in June 2010.
4.1.2 Comparison of Current Groundwater Contour Maps to Groundwater
Contour Map for Previous Quarter

The groundwater contour map for the Mill site for the first quarter of 2010, as submitted
with the Chloroform Monitoring Report for the first quarter of 2010, is attached under
Tab E.

A comparison of the water table contour maps for the second quarter of 2010 to the water
table contour map for the previous quarter indicates similar patterns of drawdown related
to pumping of MW-4, MW-26 (TW4-15), TW4-4, TW4-19 and TW4-20. Water levels
and water level contours for the site have not changed significantly since the last quarter,
except for a few locations. Pumping at TW4-4, which began in the first quarter of 2010,
has depressed the water table near TW4-4, but does not yet appear to have measurably
affected water levels at adjacent wells.

14
A reported decrease in water level of approximately 3 feet occurred in well MW-23.
Reported decreases in water levels of approximately 15 feet and of 9 feet occurred in
pumping wells TW4-4 and TW4-19, respectively, and a reported increase in water level
of approximately 5 feet occurred in pumping well MW-4. Water level changes at other
pumping wells were less than 5 feet.

Water level fluctuations at pumping wells MW-4, MW-26 (TW4-15), TW4-4, TW4-19,
and TW4-20 are due in part to fluctuations in pumping conditions just prior to and at the
time the measurements are taken. The largest decrease (increase in drawdown) of
approximately 15 feet occurred in well TW4-4 and the largest increase (decrease in
drawdown), of approximately 5 feet, occurred at MW-4.
4.1.3 Hydrographs

Attached under Tab F are hydrographs showing groundwater elevation in each
chloroform contaminant investigation monitor well over time. A hydrograph has not
been generated for TW4-26 since it was installed this quarter and there is currently only
one data point.
4.1.4 Depth to Groundwater Measured and Groundwater Elevation

Attached under Tab G are tables showing depth to groundwater measured and
groundwater elevation over time for each of the wells listed in Section 2.1.1 above. 
4.1.5 Evaluation of the Effectiveness of Hydraulic Capture

Perched water containing chloroform has been removed from the subsurface by pumping
MW-4, MW-26 (TW4-15), TW4-4, TW4-19, and TW4-20. The primary purpose of the
pumping is to reduce total chloroform mass in the perched zone as rapidly as is practical.
Pumping wells other than TW4-4 were chosen for pumping because 1) they are located in
areas of the perched zone having relatively high permeability and saturated thickness, and
2) high concentrations of chloroform were detected at these locations. The relatively
high transmissivity of the perched zone in the vicinity of these pumping wells results in
the wells having a relatively high productivity. The combination of relatively high
productivity and high chloroform concentrations allows a high rate of chloroform mass
removal. TW4-4 is located in a downgradient area having relatively high chloroform
concentrations but relatively small saturated thickness and presumed lower permeability.
Pumping TW4-4 helps to reduce the rate of chloroform migration in this downgradient
portion of the plume and to mitigate the increase in chloroform concentrations at TW4-6.

The impact of pumping these wells is indicated by the water level contour maps attached
under Tabs D and E. Cones of depression have developed in the vicinity of the pumping
wells which continue to remove significant quantities of chloroform from the perched
zone. The water level contour maps indicate that effective capture of water containing
high chloroform concentrations in the vicinity of these pumping wells is occurring. Since
the last quarter, as noted in Section 4.1.2, decreases in water levels (increases in
drawdown) of more than 5 feet occurred at TW4-4 and TW4-19, and an increase in water
15
level (decrease in drawdown) of approximately 5 feet occurred at MW-4. Overall, the
combined capture of MW-4, MW-26 (TW4-15), TW4-19, and TW4-20 has not changed
significantly since the last quarter. The increase in drawdown at TW4-19 and the
decrease in drawdown at MW-4 have increased, and slightly decreased, respectively, the
apparent capture zones of these wells relative to other nearby pumping wells. TW4-4 has
not been pumped long enough for a well-defined capture zone to develop.

High chloroform concentrations exist at some locations downgradient of pumping wells
MW-4, MW-26 (TW4-15), TW4-19, TW4-20, and TW4-4 where the lower permeability
and relatively small saturated thickness of the perched zone (for example, downgradient
of TW4-4), significantly limits the rate at which chloroform mass can be removed by
pumping. By removing mass and reducing hydraulic gradients, thereby reducing the rate
of downgradient chloroform migration, and allowing natural attenuation to be more
effective, pumping at the productive, upgradient locations has a beneficial effect on this
downgradient chloroform. Pumping at TW4-4 was implemented during the first quarter
of 2010 to improve capture in this downgradient area to the extent allowable by the lower
productivity conditions presumed to exist in this area. An improved understanding of
hydraulic conditions in this area will result from analysis of slug test data collected
during the third quarter at TW4-4, TW4-6, and new downgradient well TW4-26.  

4.2 Review of Analytical Results
4.2.1 Current Chloroform Isoconcentration Map

Included under Tab J of this Report is a current chloroform isoconcentration map for the
Mill site.
4.2.2 Chloroform Concentration Trend Data and Graphs

Attached under Tab K is a table summarizing values for all required parameters, chloride,
nitrate/nitrite, carbon tetrachloride, chloroform, chloromethane, and methylene chloride,
for each well over time.

Attached under Tab L are graphs showing chloroform concentration trends in each
monitor well over time. A graph has not been generated for TW4-26 since it was
installed this quarter and there is currently only one data point.

It is important to note that the plotting data for the VOCs, nitrate, and chloride have
recently undergone an extensive quality review. Data may have been corrected and/or
added during this review process. Additionally, the graphing format was changed from
line graphs to XY scatter plots to provide an improved graphical representation.
4.2.3 Interpretation of Analytical Data

Comparing the analytical results to those of the previous quarter, as summarized in the
table included under Tab K, the following observations can be made:

16
a) Chloroform concentrations have increased by more than 20% in the following
wells compared to last quarter: MW-4, TW4-1, TW4-2, TW4-15, TW4-19, TW4-
20, TW4-21, and TW4-24;

b) Chloroform concentrations have decreased by more than 20% in the following
wells compared to last quarter: TW4-6, TW4-10, TW4-18, and TW4-22;

c) Chloroform concentrations have remained within 20% in the following wells
compared to last quarter: TW4-6, TW4-10, TW4-18, and TW4-22;

d) TW4-3, TW4-8, TW4-9, TW4-12, TW4-13, TW4-14, TW4-16, MW-32 (TW4-
17), TW4-23, and TW4-25 remained non-detect;

e) New well TW4-26 had a chloroform concentration of 13 µg/L.

In addition, since the last quarter, the chloroform concentration in pumping well TW4-20
increased from 3,500 µg/L to 18,000 µg/L, the concentration in pumping well TW4-19
increased from 940 µg/L to 1,800 µg/L, the concentration in well TW4-21 increased from
170 to 210 µg/L, and the concentration in well TW4-22 decreased from 2,200 µg/L to
540 µg/L. Wells TW4-23 and TW4-25 remained non-detect for chloroform, and the
concentration in well TW4-24 increased slightly from 1.3 µg/L to 1.7 µg/L. TW4-24,
located west of TW4-22, and TW4-25, located north of TW4-21, bound the chloroform
plume to the west and north.

The chloroform concentration in TW4-6 decreased from 1,000 µg/L to 590 µg/L. TW4-
6, installed in the second quarter of 2000, was the most downgradient temporary perched
well prior to installation of temporary well TW4-23 in 2007 and temporary well TW4-26
in the second quarter of 2010, and remained outside the chloroform plume until the first
quarter of 2009. This well likely remained outside the chloroform plume between the
time of installation and the fourth quarter of 2008 due to a combination of 1) slow rates
of downgradient chloroform migration in this area due to low permeability conditions and
the effects of upgradient chloroform removal by pumping, and 2) natural attenuation.
TW4-23 and new well TW4-26 bound the chloroform plume to the south.

The slow rate of chloroform migration in the vicinity of TW4-6 is demonstrated by
comparing the rate of increase in chloroform at this well to the rate of increase in the
nearest upgradient well TW4-4. Concentrations at TW4-4 increased from non-detect to
more than 2,200 µg/L within only 2 quarters whereas 16 quarters were required for
concentrations in TW4-6 to increase from non-detect to only 81 µg/L. The decrease in
concentration at TW4-6 between the first and second quarters of 2010 may in part result
from the start-up of pumping at TW4-4 during the first quarter.

17
5.0 LONG TERM PUMP TEST AT MW-4, TW4-15 (MW-26), TW4-19, TW4-
20, AND TW4-4 OPERATIONS REPORT
5.1 Introduction

As a part of the investigation of chloroform contamination at the Mill site, DUSA has
been conducting a Long Term Pump Test on MW-4, TW4-19, TW4-15 (MW-26) and
TW4-20, and, since January 31, 2010, TW4-4. The purpose of the test is to serve as an
interim action that will remove a significant amount of chloroform-contaminated water
while gathering additional data on hydraulic properties in the area of investigation. The
following information documents the operational activities during the Quarter.

5.2 Pump Test Data Collection

The long term pump test for MW-4 was started on April 14, 2003, followed by the start
of pumping from TW4-19 on April 30, 2003, from TW4-15 (MW-26) on August 8, 2003,
from TW4-20 on August 4, 2005, and from TW4-4 on January 31, 2010. Personnel from
Hydro Geo Chem, Inc. were on site to conduct the first phase of the pump test and collect
the initial two days of monitoring data for MW-4. DUSA personnel have gathered
subsequent water level and pumping data.

Analyses of hydraulic parameters and discussions of perched zone hydrogeology near
MW-4 has been provided by Hydro Geo Chem in a separate report, dated November 12,
2001, and in the May 26, 2004 Final Report on the Long Term Pumping Test.

Data collected during the Quarter included the following:

• Measurement of water levels at MW-4, TW4-19, TW4-15 (MW-26), and
TW4-20 and, commencing regularly on March 1, 2020, TW4-4, on a
weekly basis, and at selected temporary wells and permanent monitoring
wells on a monthly basis. TW4-26 has been added to the monthly water
level monitoring schedule and its level was recorded once during the
current quarter.

• Measurement of pumping history, including:
- pumping rates
- total pumped volume
- operational and non-operational periods.

• Periodic sampling of pumped water for chloroform and nitrate/nitrite
analysis and other constituents.
18

5.3 Water Level Measurements

Beginning August 16, 2003, the frequency of water level measurements from MW-4,
TW4-15 (MW-26), and TW4-19 was reduced to weekly. From commencement of
pumping TW4-20, and regularly after March 1, 2010 for TW4-4, water levels in these
wells have been measured weekly. Depth to groundwater in all other chloroform
contaminant investigation wells is monitored monthly. Copies of the weekly Depth to
Water monitoring sheets for MW-4, TW4-15 (MW-26), TW4-19, TW4-20 and TW4-4
and the April and June monthly Depth to Water monitoring sheets for all of the
chloroform contaminant investigation wells are included under Tab C. Monthly depth to
water measurements for May are recorded in the Field Data Worksheets included under
Tab B.

5.4 Pumping Rates and Volumes

Table 2 summarizes the recovered mass of chloroform by well per quarter and
historically since the inception of the chloroform recovery program for the five currently-
active pumping wells.
5.4.1 MW-4
Approximately 84,005 gallons of water were pumped from MW-4 during the Quarter.
The average pumping rate from MW-4, when the pump was pumping, was approximately
4.0 gpm throughout the Quarter. The well is not pumping continuously, but is on a delay
device. The well purges for a set amount of time and then shuts off to allow the well to
recharge. Water from MW-4 was transferred to the Cell 1 evaporation pond through a
pipeline installed specifically for that purpose.
5.4.2 TW4-19

Approximately 453,340 gallons of water were pumped from TW4-19 during the Quarter.
The average pumping rate from TW4-19, when the pump was pumping, was
approximately 3.6 gpm throughout the Quarter. The pump in this well is operating on a
delay. It pumps for approximately one and a half minutes and then is off for two to three
minutes. Water from TW4-19 was directly transferred to the Cell 1 evaporation pond
through a pipeline installed specifically for that purpose.
5.4.3 TW4-15 (MW-26)

Approximately 60,500 gallons of water were pumped from TW4-15 (MW-26) during the
Quarter. The average flow rate from TW4-15, when the pump was pumping, was
approximately 5.6 gpm throughout the Quarter. The well is not pumping continuously,
but is on a delay device. The well now purges for a set amount of time and then shuts off
to allow the well to recharge. The water is directly transferred to the Cell 1 evaporation
pond through a pipeline installed specifically for that purpose.
19
5.4.4 TW4-20

Approximately 39,014 gallons of water were pumped from TW4-20 during the Quarter.
The average flow rate from TW4-20, when the pump was pumping, was approximately
3.0 gpm throughout the Quarter. The well is not purging continuously but is on a delay
device. The well pump is set on a water elevation device. When the water reaches a set
point, the pump turns on until the water level drops to another set point. The water is
directly transferred to the Cell 1 evaporation pond through a pipeline installed
specifically for that purpose.
5.4.5 TW4-4

Approximately 84,513 gallons were pumped from TW4-4 during the Quarter. The
average flow rate, when the pump was pumping, was 8.6 gpm. The well is not pumping
continuously, but is set on a water elevation device. When the water reaches a set point,
the pump turns on until the water level drops to another set point. The water is directly
transferred to the Cell 1 evaporation pond through a pipeline installed specifically for that
purpose.
5.4.6 TW4-18

TW4-18 was equipped with a pump and flowmeter in preparation for using water from
this well to supply the New Decontamination Pad at the Mill. Pumping commenced
sporadically on March 22 and ended on May 4, 2010. The amount of water pumped
during the second quarter was negligible and, given the low concentrations of chloroform
in TW4-18 (29 nug/L), the recovered mass of chloroform would be insignificant, and has
not been included in the calculation of chloroform recovered. The pump was removed
from TW4-18 and the determination was made not to use this well to supply water to the
new decontamination pad.

5.5 Mass Removed

Chloroform removal was estimated as of the 1st Quarter 2007. Since that estimation the
mass removed by well for each quarter has been compiled in Table 2 below, indicating
that a total of 500.9 pounds of chloroform have been removed to date.

5.6 Daily Inspections

Denison has submitted an Operations and Maintenance Plan, Chloroform Pumping
System, White Mesa Mill, Blanding, Utah, Revision 1.0 to UDEQ for approval. Upon
approval of that plan, the Mill will commence documenting its daily inspections of the
operational status of the chloroform pumping wells on the daily inspection form, an
example of the form of which is attached as Tab M, Chloroform Well Daily Inspection
Form.

No operational problems in the pumping wells were reported during the 2nd Quarter,
2010 period.
20

5.7 Conditions That May Affect Water Levels in Piezometers

No significant amount of water was added to any of the three wildlife diversion ponds
during the Quarter.
6.0 CORRECTIVE ACTION REPORT
Necessary corrective actions identified during the current monitoring period are described
below.
6.1 Turbidity

Identification and Definition of the Problem

Turbidity

Turbidity RPDs exceeded 10% for ten chloroform wells.

Assignment of Responsibility for Investigation of the Problem

The problem is already under investigation by the QA Manager.

Investigation and Determination of Cause of the Problem

Turbidity
Data indicate that it may not be feasible to achieve both a turbidity level of less than 5
NTU and a stabilized turbidity between any two measurements within 10% RPD in every
well. DUSA is currently reviewing historical well development data in response to
DRC’s letters dated June 1, 2010 and June 24, 2010 to determine additional well
development strategies to address turbidity variances. Specifically, during ongoing
discussions and correspondence with DRC, DUSA has agreed to evaluate whether the
wells with recurrent instability have been properly developed and to establish a list of
wells which will be redeveloped.

Determination of a Corrective Action to Eliminate the Problem

Turbidity
DUSA is currently evaluating the suitability of turbidity, as well as other parameters, in
determining stabilization of monitoring wells. DUSA is preparing a summary of
historical well development information for existing groundwater wells and will make a
recommendation to DRC regarding which wells should be redeveloped. DUSA’s letter
of July 12, 2010 and DRC’s response of July 15, 2010 identified the parameters for
selecting wells for redevelopment.
21

Assigning and Accepting Responsibility for Implementing the Corrective Action

Turbidity
Development of recommendations and QAP changes to address turbidity have been
submitted and discussion between DRC and DUSA completed. Determination of wells
to be redeveloped is underway. DUSA is currently reviewing historical well
development data in response to DRC’s letters dated June 1, 2010 and June 24, 2010 and
the parameters developed on July 12, 2010 and July 15, 2010 to determine a list of wells
requiring redevelopment.

Implementing the Corrective Action and Evaluating Effectiveness

Turbidity
Implementation of the corrective action for turbidity will follow development and DRC
approval of an action plan.

Verifying That the Corrective Action Has Eliminated the Problem

Verification will occur following DRC review of the proposed well redevelopment list
and implementation of redevelopment as required.

6.2 Depth to Water

Identification and Definition of the Problem

Depth to Water

Depth to water measurements were measured properly to the nearest 0.01 feet, however,
trailing zeros were not recorded on the field sheets.

Assignment of Responsibility for Investigation of the Problem

The problem is already under investigation by the QA Manager.

Investigation and Determination of Cause of the Problem

Depth to Water
Based on discussions with Mill personnel, depth to water measurements were measured
properly to the nearest 0.01 feet, however, trailing zeros were not recorded on the field
sheets.
22

Determination of a Corrective Action to Eliminate the Problem

Depth to Water
Mill personnel have been advised that depth to water must be recorded to the nearest 0.01
feet. If the measurement is a whole integer number or the final measurement number is
zero, it must be recorded on the field sheet to the nearest 0.01. In addition, DUSA has
purchased a data capture system that will be employed for recording field data. The data
system will allow the real-time recording of field data on hardcopy forms while digitally
storing the information as it is collected. The data collection system and revised field
forms will not allow incomplete data collection such as recording depth to water without
all decimal places recorded.

Assigning and Accepting Responsibility for Implementing the Corrective Action

Depth to Water
Development of recommendations and QAP changes to address the incomplete recording
of field data has been started. DUSA is currently revising the field forms to address DRC
comments. Upon completion of the field form modifications, and DRC approval of the
QAP, DUSA will completely implement the field data capture program.

Implementing the Corrective Action and Evaluating Effectiveness

To address the implementation of the data capture, DUSA has requested the use of new
field forms in the revised QAP. DUSA will proceed with the implementation of that step
upon revision of the forms to address DRC comments and subsequent DRC approval of
the QAP revision.

Verifying That the Corrective Action Has Eliminated the Problem

Verification of depth to water measurements will begin next quarter during the field
activities to assure that measurements are recorded completely prior to the
implementation of the digital data capture program. Full verification of the field data
capture program will begin after the program has been implemented.

6.3 Rinsate Sample Chloroform and Nitrate Levels

Identification and Definition of the Problem

Rinsate Chloroform and Nitrate Levels

Chloroform

DI water used for decontamination continues to indicate the presence of chloroform.
Rinsate samples generated from use of the DI water for decontamination have chloroform
levels and level trends that appear to be possibly related, in part, to the chloroform
23
presence in the preceding well that was purged, and in part to other factors. Although
rinsate samples following high concentration wells appear to be somewhat higher than
rinsate samples following low concentration wells, rinsate samples following purging of
uncontaminated wells, appear to also be contaminated with chloroform. Presence of
chloroform in DI and rinsate samples is not consistent from one sampling event to the
next.

In addition, data available at present are not sufficient to isolate the source of the
chloroform being reported in the rinsate samples. Additional studies are necessary to
isolate the source of reported chloroform to either:
1. The field water sources and transport mechanisms and procedures that generated
the rinsate sources, or
2. The effectiveness of decontamination procedures.

Nitrate

DI water used for decontamination does not show the presence of nitrate. Contamination
does not appear to be related to the nitrate presence in the preceding well that was
purged. Rinsate samples following high concentration wells appear to be the same as
rinsate samples following low concentration wells, rinsate samples following purging of
uncontaminated wells appear to also be contaminated with nitrate. Presence of nitrate in
the rinsate samples is not consistent from one sampling event to the next.

Assignment of Responsibility for Investigation of the Problem

The problem is already under investigation by the QA Manager.

Investigation and Determination of Cause of the Problem

Rinsate Sample Chloroform and Nitrate Levels
The QA Manager plans to implement a testing program to attempt to isolate the source(s)
which are introducing chloroform into the sampling and/or rinsate process. As discussed
above, and based on evaluations to date, chloroform may have entered the samples from
any number of sources. The QA Manager plans an initial investigation focused on
confirming or eliminating the following sources:

1. The DI filter system may be contaminated with chloroform from laboratory
processes thus introducing chloroform into the DI water used for decontamination
and rinsate sample preparation.
2. DI, which is both a corrosive agent to natural materials and an aggressive leaching
solvent to some synthetic materials, may have attacked the synthetic containers
used to carry it to the field and introduced VOCs (chloroform) from polymer
degradation products.
3. The nitric acid rinse may be introducing low level nitrate contamination in the
rinsate samples.
24
4. Chloroform cross-contamination of purging equipment from the wells may be
occurring, given that the rinsate samples that follow the purge of the higher
concentration monitoring wells tend to have higher concentrations of chloroform.
However, since disposable bailers are used to collect samples, that negates the
effect on the samples. Chloroform deposition into the wells during the purging
process is reduced or negated by the influx of formation water.

Sampling and analysis to resolve issues related to Items 1 and 2 has commenced and will
continue to be conducted during the upcoming monitoring period with the focus on
contamination of the DI system from laboratory processes. Data evaluation, which will
occur after the results of analyses in the next quarter are received, will be used to isolate
and eliminate or confirm each of these sources. To address the nitric acid contamination,
DUSA has requested in the revised QAP the removal of the nitric acid rinse step when
samples are not collected for heavy metals. DUSA will proceed with the removal of that
step only upon approval of the QAP revision.

Determination of a Corrective Action to Eliminate the Problem
Rinsate Sample Chloroform and Nitrate Levels
A corrective action will be determined following completion of the DI system
investigation, sample results, and the data review outlined above. A QAP revision will
be prepared to address the applicability of comparing rinsate data from the purging pump
to samples collected with different equipment.

Assigning and Accepting Responsibility for Implementing the Corrective Action

Rinsate Chloroform and Nitrate Levels
It will be the joint responsibility of the Director, Compliance and Permitting, and the
Mill’s sampling staff to implement the isolation testing and whichever actions result from
its findings.

Implementing the Corrective Action and Evaluating Effectiveness

Rinsate Chloroform and Nitrate Levels
Implementation to remove the chloroform source(s) will occur after isolation testing
identifies the source(s). Nitrate sources will be removed after the removal of the nitric
acid rinse from the decontamination when heavy metals are not collected assuming
requisite changes to the QAP are approved by the Executive Secretary.

Verifying That the Corrective Action Has Eliminated the Problem

Verification will occur after field changes are implemented to remove the chloroform and
nitrate source(s) identified in the isolation testing study.
25
7.0 CONCLUSIONS AND RECOMMENDATIONS
The water level contour map for the second quarter, 2010 indicates that effective capture
of water containing high chloroform concentrations in the vicinity of pumping wells
MW-4, MW-26 (TW4-15), TW4-19, and TW4-20 is occurring. TW4-4 has not been
pumped long enough for a well-defined capture zone to develop in the vicinity of this
well.

Between the first and second quarters of 2010, the chloroform concentration in pumping
well TW4-20 increased from 3,500 µg/L to 18,000 µg/L, the concentration in pumping
well TW4-19 increased from 940 µg/L to 1,800 µg/L, the concentration in well TW4-21
increased from 170 to 210 µg/L, and the concentration in well TW4-22 decreased from
2,200 µg/L to 540 µg/L. Fluctuations in concentrations in these wells are likely related to
variations in pumping in TW4-20 and nearby wells, and their location near the suspected
former office leach field source area. Regardless of these measured fluctuations in
chloroform concentrations, sampling of temporary wells TW4-24 (located west of TW4-
22) and TW4-25 (located north of TW4-21), indicates these wells remain outside the
chloroform plume and thus bound the plume to the west and north. Chloroform was not
detected at TW4-25, and was detected at a concentration of 1.7 µg/L at TW4-24.

The chloroform concentration at well TW4-6 decreased from 1,000 to 590 µg/L. TW4-6,
which remained outside the plume until the first quarter of 2009, is located within the
southernmost portion of the plume. Although fluctuations in concentrations have
occurred, this well likely remained outside the chloroform plume between installation in
the second quarter of 2000 and the fourth quarter of 2008 due to a combination of 1) slow
rates of downgradient chloroform migration in this area due to low permeability
conditions and the effects of upgradient chloroform removal by pumping, and 2) natural
attenuation. Chloroform remained non-detect at downgradient temporary well TW4-23.
TW4-23 and new well TW4-26 bound the chloroform plume to the south.

Continued pumping of MW-4, MW-26 (TW4-15), TW4-19, and TW4-20 is
recommended. Pumping these wells, regardless of any short term fluctuations in
concentrations detected at the wells (such as at TW4-20), helps to reduce downgradient
chloroform migration by removing chloroform mass and reducing average hydraulic
gradients, thereby allowing natural attenuation to be more effective. Continued pumping
at TW4-4 is also recommended to improve capture of chloroform to the extent practical
in the southern portion of the plume where low permeability conditions exist, and to help
mitigate the increase in concentration at downgradient well TW4-6. The decrease in
chloroform concentration at TW4-6 between the first and second quarters of 2010 may in
part result from the start-up of pumping at TW4-4 during the first quarter.
26

8.0 ELECTRONIC DATA FILES AND FORMAT
DUSA has provided to the Executive Secretary an electronic copy of all laboratory
results for groundwater quality monitoring conducted under the chloroform contaminant
investigation during the quarter, in Comma Separated Values (CSV) format. A copy of
the transmittal e-mail is included under Tab N.
9.0 SIGNATURE AND CERTIFICATION
This document was prepared by Denison Mines (USA)Corp.on August 30,2010.
By:
DENISON MINES .USA)CORP.
i1
David ~FrYQenlUnd
Vice President,Regulatory Affairs and Counsel
27
Certification:
I certify,under penalty of law,that this document and all attachments were
prepared under my direction or supervision in accordance with a system designed to
assure that qualified personnel properly gather and evaluate the infonnation submitted.
Based on my inquiry of the person or persons who manage the system,or those persons
directly responsible for gathering the infonnation,the information submitted is,to the
best ofmy knowledge and belief,true,accurate,and complete.I am aware that there are
significa~J.enalt\fs for submitting false information,including the possibility of fine and
imprison~nt foj/knowing violations.
/J'/'.-/\..~.-.-_....,-"".,,---_._---,_..
Dav/<d.pr;dtmIUnd-····---_·
28
Table 1: Summary of Well Sampling for the Period
Well Date of Field Data Date of Lab Report
MW-4 6/14/2010 7/6/2010
TW4-1 6/15/2010 7/6/2010
TW4-1R 6/14/2010 7/6/2010
TW4-2 6/15/2010 7/6/2010
TW4-2R 6/14/2010 7/6/2010
TW4-3 6/8/2010 6/25/2010
TW4-3R 6/7/2010 6/25/2010
TW4-4 6/10/2010 6/25/2010
TW4-5 6/9/2010 6/25/2010
TW4-5R 6/8/2010 6/25/2010
TW4-6 6/10/2010 6/25/2010
TW4-6R 6/9/2010 6/25/2010
TW4-7 6/10/2010 6/25/2010
TW4-7R 6/9/2010 6/25/2010
TW4-8 6/9/2010 6/25/2010
TW4-8R 6/8/2010 6/25/2010
TW4-9 6/9/2010 6/25/2010
TW4-9R 6/8/2010 6/25/2010
TW4-10 6/10/2010 6/25/2010
TW4-10R 6/9/2010 6/25/2010
TW4-11 6/10/2010 6/25/2010
TW4-11R 6/9/2010 6/25/2010
TW4-12 6/8/2010 6/25/2010
TW4-12R 6/7/2010 6/25/2010
TW4-13 6/8/2010 6/25/2010
TW4-13R 6/7/2010 6/25/2010
TW4-14 6/8/2010 6/25/2010
TW4-14R 6/7/2010 6/25/2010
TW4-15 6/9/2010 6/25/2010
TW4-16 6/9/2010 6/25/2010
TW4-16R 6/8/2010 6/25/2010
TW4-17 6/14/2010 7/6/2010
TW4-18 6/9/2010 6/25/2010
TW4-18R 6/8/2010 6/25/2010
TW4-19 6/9/2010 6/25/2010
TW4-20 6/14/2010 7/6/2010
TW4-21 6/10/2010 6/25/2010
TW4-21R 6/9/2010 6/25/2010
TW4-22 6/15/2010 7/6/2010
TW4-22R 6/14/2010 7/6/2010
TW4-23 6/8/2010 6/25/2010
TW4-23R 6/7/2010 6/25/2010
TW4-24 6/9/2010 6/25/2010
TW4-24R 6/8/2010 6/25/2010
TW4-25 6/8/2010 6/25/2010
TW4-25R 6/7/2010 6/25/2010
TW4-26 6/15/2010 7/6/2010
TW4-26R 6/14/2010 7/6/2010
TW4-60 6/10/2010 6/25/2010
TW4-65 6/10/2010 6/25/2010
TW4-70 6/14/2010 7/6/2010
"R" following a well number deisgnates a rinsate sample collected prior to purging of the well of that number.
TW4-60 is a DI Field Blank, TW4-65 is a duplicate of TW4-4, and TW4-70 is a duplicate of TW4-17.
All sample locations were sampled for Carbon Tetrachloride, Chloromethane, Methylene Chloride, Chloride and
Nitrogen
Table 2 Chloroform Mass Removal Per Well Per Quarter
Quarter MW-4 MW4-15 MW4-19 MW4-20 TW4-4 Quarter Totals
Q1 2007 36.8 12.9 150.2 87.0 NA 286.9
Q2 2007 1.4 0.1 0.0 2.5 NA 4.0
Q3 2007 2.2 0.8 2.9 3.1 NA 9.0
Q4 2007 1.7 1.0 3.1 4.8 NA 10.6
Q1 2008 1.7 0.4 4.6 7.2 NA 13.8
Q2 2008 1.3 0.5 3.2 9.9 NA 14.8
Q3 2008 1.2 0.3 15.9 9.3 NA 26.8
Q4 2008 1.3 0.3 20.7 0.4 NA 22.7
Q1 2009 1.7 0.4 4.3 3.6 NA 10.0
Q2 2009 6.8 0.2 3.7 2.8 NA 13.5
Q3 2009 1.5 0.4 11.1 5.5 NA 18.5
Q4 2009 4.8 0.6 17.8 26.1 NA 49.4
Q1 2010 0.9 0.4 2.7 0.4 NA 4.5
Q2 2010 1.5 1.0 6.8 5.9 1.4 16.5
Well Totals (pounds)63.2 18.4 240.2 162.6 1.4 500.9
INDEX OF TABS

Tab A Site Plan and Perched Well Locations White Mesa Site
Tab B Order of Sampling and Field Data Worksheets
Tab C Weekly and Monthly Depth to Water Data
Tab D Kriged Current Quarter Groundwater Contour Map, Capture Zone Map, Capture Zone Details
Map, and Depth to Water Data
Tab E Kriged Previous Quarter Groundwater Contour Map
Tab F Hydrographs of Groundwater Elevations Over Time for Chloroform Monitoring Wells
Tab G Depths to Groundwater and Elevations Over Time for Chloroform Monitoring Wells
Tab H Laboratory Analytical Reports
Tab I Quality Assurance and Data Validation Tables
I-1 Field Data QA/QC Evaluation
I-2 Holding Time Evaluation
I-3 Receipt Temperature Check
I-4 Analytical Method Check
I-5 Reporting Limit Evaluation
I-6 Trip Blank Evaluation
I-7 QA/QC Evaluation for Sample Duplicates
I-8 QC Control Limits for Analyses and Blanks
I-9 Rinsate Check
Tab J Kriged Current Quarter Chloroform Isoconcentration Map
Tab K Analyte Concentration Data Over Time
Tab L Chloroform Concentration Trend Graphs
Tab M Chloroform Well Daily Inspection Form
Tab N CSV Transmittal Letter

Tab A
Site Plan and Perched Well Locations White Mesa Site

HYDRO
GEO
CHEM, INC.APPROVED DATE REFERENCE FIGURE
CELL NO. 2
CELL NO. 4A
3332
MW-21

3000
BOUNDARY
PROPERTY
SCALE IN FEET
0
CELL NO. 1
MILL SITE
MW-01
MW-02
MW-03
MW-05
MW-11
MW-12
MW-14
MW-15
MW-16
MW-17
MW-18
MW-19
MW-20
MW-22
MW-23
MW-24
MW-25
MW-27
MW-28
MW-29
MW-30
MW-31
MW-32
PIEZ-1
PIEZ-2
PIEZ-3
PIEZ-4
PIEZ-5
MW-26
TW4-1
TW4-2
TW4-3
TW4-4
TW4-5
TW4-6
TW4-9
TW4-11
TW4-12
TW4-13
TW4-14
TW4-16
TW4-18
TW4-20
TW4-21
TW4-26
MW-04TW4-7 TW4-8
TW4-10
TW4-22
TW4-19
TW4-23
TW4-24
TW4-25
TWN-1
TWN-2
TWN-3
TWN-4
TWN-5
TWN-6
TWN-7
TWN-8
TWN-9
TWN-10
TWN-11 TWN-12
TWN-13
TWN-14
TWN-15
TWN-16
TWN-17
TWN-18
TWN-19
MW-20
PIEZ-1
perched monitoring well
perched piezometer
temporary perched monitoring well
SITE PLAN
AND PERCHED WELL LOCATIONS
WHITE MESA SITE
H:/718000/aug10/welloc.srf
TW4-19
EXPLANATION
wildlife pond
SJS
temporary perched nitrate
monitoring well
TWN-1
temporary perched monitoring well
installed May, 2010
TW4-26

Tab B
Order of Sampling and Field Data Worksheets

Order of Contamination for 2nd Quarter 2010 Chloroform Purging Event
Well
Chloroform
Sample time Levels Rinsate date/time
Water Well
level Depth
TW4-3 L32~b-oJiJ ND 6-7~261{)0'651
TW4-12 1'132..6''''10 ND ".7·2.010 ~1S1
TW4-13 ~h-Y'ID ND "..7.;.ora.10'45"
TW4-14 ftf05 6·J;J1J ND "·7·~IO 1$
TW4-17 l~.YO b·l4·1~ND GW~~~
TW4-23 13117 t,.$·(IJ ND ,.,..).b,I>..\S'fl:-----
TW4-25 HOl..6'~'IO ND t·'·'-DI6 '''!,)
TW4-8 1120 &'flO ND b"1S·~o 0'&10
TW4-9 1144 t ·tf.I()ND b-ts·)DIo ~~
TW4-16 lart 6·1-11/ND "·4'....1010 oUi
_TW4-24 lull 6·2·(D 1.3 t>-&.~()1O'G
~W4-5 IbS'f k-fl()13 ~"8 ·»10 ."tS
TW4-18 1IJd2 Ii -f-II)69 ,..~.~Il>,'tO~
TW4-21 1)7?>S b-IO·~170 b-t\-~~OC\CI~
TW4-1O 075.5 b-lO-li)460 6-q -?.OlO c~5\
TW4-15 1030 (,-9·10 780 &~q ..?ol()81.q1
TW4-11 ~83b '-/O-l£)820 (O-q ·~()IO IO~
TW4-19 \;pq C:>~".·iO 940 e:,...t\~~o
TW4-6 Q1S!!)b:-'O-IO 1000 e:,-q.;)Ott.>131'
TW4-7 C>fS0 5 b:;'Q-/b 1200 <o-9-.1.tllO !'-ilb
TW4-1 J1./31 G>-15-R>1300 b'i~.;u~o~
MW4 MID b-IY·IO 1600
TW4-4'0"\15 "--Ib-b 17QO
TW4-22 I~IT,b-t;-;o 2200 ~..li1·J.cID 0'(1.10
TW4-2 .IY~~.'5-1e;)2600 ~')'(-:1010 1C>36
TW4-20 3500 b-It1·~ola \'3IC
TW4-60 _D_.I._B_la_nk__----=6--'''=IJ....L..II'.iO {l~i )"
TW4-65 Duplicate 'C;.to-;2;&lO 0'\'5
TW4-70 Duplicate :b-I'·Ll()(~I?"I.\()
Comments:~pk..'R\I\~t...\(.
-rW~·t.~1'447 (,-i&ID ~~It.t-It)'35~.
f
97
101.5
102.5
93
130 Bladder pump
114
134.8
125
120
142
112.5
120
137.5 CI/flllIl~
121
113
122.5 Cont.Pumping
100
125 Cont.Pumping
97.5
120
110
124 Cont.Pumping
112 Cont.Pumping
113.5
120
106 Cont.Pumping
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Tab C
Weekly and Monthly Depth to Water Data

o Depth to Water
mmHg c,;Z f.0,)
CommentsTimeWell
14\5 MW-4 7q let Flow 4.3 (rPM
Meter I R7C43{)33
l~l\TW4-15 75.1'Flow 5.g &PM
Meter 350770
J~S'3 TW4-19 bE{·'I ,Flow :l.t (;'PM
Meter 1l.f37Co(gO
140e.TW4-20 6'1·7lj Flow /.8 6PM
Meter bb7 1;2..~"
lL.fl~TW4-4 hQ.50 Flow ~7 GPM.
Meter 111i'SI.'
Water:6330g8
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Date b-n-2.6\0 mmHg Ld2.55Lj
Time Well Depth Comments
,2.$'1..MW-4 '7D~Of6
1:l50 TW4-1 .£3,J..'i
11.$3 TW4-2 £7.77
i;l.41 TW4-3 Y~bbWTW4-4 :iJ.i3:f
l;t&1L.i TW4-5 55.11)
j307 TW4-6 71.D~
,)51 TW4-7 ~
ilY~TW4-8 6'7«~f
ilY5 TW4-9 j;.3.gJ
12,1jCl TW4-10 SC..lb
i:2Sb TW4-11 J;8.44
tZI5 TW4-12 3~.16
13i]TW4-13 l:t 7,ylf
1313'TW4-14 ~.6q
Ja.y\TW4-15 63.b1 ~~~~"..\th;~D~p1-~
p ...$7 TW4-16 by.S}
130;t TW4-17 76 9 72
ll2L TW4-18 5(2&'17
JA3,f TW4-19 6Cf.3S
12-39 TW4-20 67 2 63
1;;1.33 TW4-21 S7 r 1\
1;).39 TW4-22 ~,q5
lJOS TW4-23 ,66,/5
1/3]TW4-24 ~
Ill1 TW4-25 '15.bb
i2..iL TW4-26 64,~O
0
Depth to Water
mmHg Ie}(),210 ~
Depth Comments
Date 6 J-\~)010
Time Well
J4lq MW-4 14..7g Flow 1f3 c;.Pt1\
Meter 1l<()QcP...3/
11.\I~TW4-15 IS.,S Flow S,8 t-PM
Meter ~4W7()
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Meter i4l'3 ~6 1
li.fll TW4-20 f=h ')..b Flow IJ-l (rPM.
Meter b3'l~·~
\l.j;).'1 TW4-4 hqM Flow 6~b C-PM
Meter IOM/K~
Water:6J3/f,J'
o
o
o
o
IY;LS MW-4 7_~.qO Flow 4.3 G-PfJl
Meter 17Y3l.L5.t..\J
j~~O TW4-15 7'5.51 Flow 7Vkr ~.~,g G-P~
Meter 3Y 1330
J4S~TW4-19 71 Jb Flow ~,K {~PM
Meter 1~1<Kf")qD
"
\'-llL,TW4-20 bb.3\FJow 1.8 &PM
Meter f;iI03..'iO
14;).)s TW4-4 (;,9 OS Flow ~.~G-PM
Meter IO\C:.05.1
Water:,5"CJ 7.35Ll
o
Date (;·7 'r26/0
Depth to Water
mmHg h20.2h~
CommentsTimeWell
1'f31 MW-4 -;:12 ~Flow ,5.~6f~
Meter It:,t 8'0/.,&'
/130 TW4-15 7s·27 Flow £".7 &7f'~
Meter ?sL~.3,C)
1,5IJ LJ TW4-19 7-/32 Flow 2./6/t11,
Meter /'"f~(J/9_(),.
/'125'TW4-20 hS''I Flow /.'1 htM
Meter ~'1
(;872.0 ../
/L/'I'I TW4-4 ~J'.S'-/Flow g:7 {7/;11.
Meter 9cS-j2/",:J
Water:5r/flf~o
o
()Depth to Water
Date 6-d-JOID mmHg ~J<g"1.,_
CommentsTimeWell
::J :50t>l"\MW-4 "71~~Flow 'i.~ClID""
Meter ...
l b 3 100.~
::2 ;Li l\nlt\TW4-15 '1 c~L I Flow 5.l c.tllt\
Meter "'J3~'33\~D
3:1001"\TW4-19 ~3.g Flow 3,~Q,ol'l'\
Meter ...,
1'33~9 3~D
~;35plr\TW4-20 'l3~!\Flow dQDI'Y'\
Meter yS'oa~3 ..D
3:oop,w\TW4-4 b~.~Flow ~Q"'",
Meter ...,
Cff)~O l.3
Water:5b SOe')3(J
('.J
o
Date 5 ...J.tt -lOlC
Depth to Water
mmHg ~Jg.7'"1l{
CommentsTimeWell
J31~MW-4 7(').R Flow "\·36fM
Meter 151t-'~~3'1
1'3'Ii TW4-15 gD.~Flow 5.((£'rPM
Meter '-11~,0
130:;l.TW4-19 1&.l.bCf Flow ~.'-t'rPM
Meter ,,,-,,"-0
)311 TW4-20 19.~"t Flow :J 0 CrPM
Meter r1')'}.qq~
J~&i TW4-4 b'·7 Flow g.b'~
Meter O'too.s
Water:.:sy 1D~:1.o
o
Comments
Depth to Water
mmHg faIt.1~~-Date 6'-11 ).f);o
Time Well
tJt 5-/MW-4 7tJ~1.k Flow '-I .3 &A11
Meter /51.;t/23",()
1/\?S'~l TW4-15 $('t.t/)Flow Lj 7 1-11/11
IJIUAIl IiJ Meter .'S,J7/~'-I)b
I I
/11/>TW4-19 ~t.t."SL Flow ~,..5'[,Pm
Meter /2157:J./1 c
O·id'!TW4-20 (,,'{."7 "7 Flow I.2 L:"1111
Meter S~()~':),/
Oh 1t'TW4-4 i7.32 Flow fr.s-&'1111
Meter )(i"7rk~X'
I
Water:
o
Comments
Depth to Water
mmHg b~l·o3Date5-17 -I 0
Time Well
'~J:S MW-4 "0.«1'Flow 4.3 G-f>M
Meter Jl/~ILO~4
1'-P'1 TW4-15 7~.qq Flow 5.8 GPM
Meter 3~80
0157 TW4-19 15..21 Flow 3.(;6-l'M
Meter J;t~07"O
,2-0;}.TW4-20 g&.(.7 Flow ).q ,-P"1
Meter 4lHittfCf
l:tlt TW4-4 -d2lo6"'1 70.LS Flow ~IJ.£,-PM
Meter .;__J 157035
Water:5D-~~7
o
o
o
o Depth to Water
Date S-IO"~OI0 mmHg _
CommentsTimeWell
rLf?~MW-4 7~.QS Flow 4.l G.¥M
Meter 1"1 '~lt.:2Li
14~TW4-15 7S ·GL.f Flow 5.~&PM
Meter ~1<&bI6
1507 TW4-19 ~"'\Flow 4.0 G--P~
Meter l~'3~'10
1Lb.'S TW4-20 bS.8&1 Flow ;2..0 6PM
Meter q~r (,?O b
'4~TW4-4 68.;2.6 Flow 9S,rM
Meter bq~~05
Water:501~~3
~)
o Depth to Water
Date S-Ll-::L.OtO mmHg OO"1f9L f,lt.7L.1L{
CommentsTimeWell
ILl~t.\MW-4 ',I.X'~Flow 47 &fM
Meter l',l...-:1 L11'17
14~TW4-15 Ie..2.0 Flow '"(~pM.
Meter ~140X-[')
1500 TW4-19 ~7~.l.~Flow '3 .q t'rPf"\
Meter 1:Xt38&O
141.'=-TW4-20 ~7·~Y Flow :2.1 CrPJ~
Meter L.(3S~:lOC1.
143q TW4-4 b~..2\Flow g,5 G-P/V1
Meter f.-:?-.$<~Lf2
Water:YKS15\o
o
o Depth to Water
Date~mmHg f,fG{.SOb
Time Well
o
Comments
140~MW-4 73.CfI Flow ~5 G-PM
Meter t7 5«(;{4/21
135~TW4-15 78.77 Flow 5.5 C-PM
Meter 30kF;ffi
IL\'3D TW4-19 1'\.'1 Flow 4.~t:,.ft\
Meter 1171810
l~~i TW4-20 ~7.l.(l Flow :J..()(',p}-A.
Meter L\(')\l..lSq~·
II-to ¥.,_.•.•L\~4.D'1 ~1~r...'\R.4 Cr?M\IV......
MLt,r'_7:)(....~7()1
Water:'157/15'o
o
Date 'i.,I 1'l.IJ/O
Time Well
Depth to Water
mmHg &11 (4~()~
Comments
VJ.~(7 MW-4
lJ).1 TW4-15
1t1'1~TW4-19
10.//Flow 1(.l(kIM
Meter I ?L5L 1.1.
Flow s.?-6IJNt
Flow Jf.b blM
Meter //3 J It
!/~/S-TW4-20 1'5".31
11.5 J.{TW4-4 t 7.~:r,
Flow /.1 4-1"P1
Meter 37-/i/,L
Flow d'.b b/tt!
Meter '1rt 71'1.2
()
I
Water:43 ((277
,.
Depth to Water
DateJ:Ljd;-.2:0l0 mmHg b /7.Cf3:A
CommentsTimeWell
\~iO MW~4 hqJb~Flow 1i.1.3 (rPM
Meter I JLI4~,)W
l;,os TW4-15 ~~J..,7 Flow 5.2 G-PM
~atJ.~c~J-.lkj<.,~'"Meter ~qq6.50
"V"
1130 TW4-19 <L1.7~Flow ~.S GP/"\
Meter lDi<6570
1"Jl)()TW4-20 ?'~.2q Flow J...O &PM
Meter 33C17.Jt\~
C>IC:,.T~4-Lf 6,q .~{j:1~t.)q 1 6PM
M~+er 4303Cfb
Water:li~qSo
o
0 Chloroform Wells
Date 4·-g-).010 mmHg bll.()5L\
Time Well Depth Comments
10\0 MW-4 70.14
DKS]TW4-1 62.39
IOD~TW4-2 6731
01$53 TW4-3 4~·E
JOP)TW4-4 ~
()?sl.\q TW4-5 ~;
.1.Q..tL.TW4-6 11.0~
lO 1\TW4-7 {,f,.Q7
O~5~TW4-8 ~)7.i
O~5\TW4-9 54.S>4
O?54~TW4-10 :S(,.l.\
0 IO(jb TW4-11 S8 b\
IOU TW4-12 ?>g.3S
~TW4-13 yi(.Of>
!O,:l.7 TW4-14 KB.qq
Q~YL TW4-15 1~.X3
1003 TW4-16 bY·5~
J():)S TW4-17 16.8'7
~TW4-18 sl.3fs
\105 TW4-19 ~25
~TW4-20 -[5·9,5
lDSO TW4-21 5/1.1l\
O~4\TW4-22 SS.~q
J032 TW4-23 6(;.3.:1
<>l63'\TW4-24 E~·IY,
lOYd--TW4-25 "::15.sZ
0
o Depth to Water
Date~mmHg bIL\_4~b
Comments
l~MW-4 7004 Flow 4.U G{)N\,Meter I()Ct'7 :J 8l.\~
I~.tq TW4-15 7'3.5Q Flow s,q &fA
Meter 2qL4£1~
}410 TW4-19 ~1·73 Flow S.O &pM
Meter JD375f,t\
1llt.)TW4-20 <hI 41 Flow :J.[)~
Meter 306oc.U:l
-t~~lWLl-Ll 6S.l~FINJ x,q (;.p"'"
Mr-h..r 3bSb4Lf
Water:41J/14C\
Time Well
o

Tab D
Kriged Current Quarter Groundwater Contour Map, Details Map, and Depth to Water Summary

HYDRO
GEO
CHEM, INC.APPROVED DATE REFERENCE FIGURE
3332
3000
SCALE IN FEET
0
5580
5504
5471
5503
5521
5501
5495
5494
5499
5587
5604
5457
5450
5495
5507
5538
5577
5543
5512
5538
5547 5556
5558
5584
5531
5585
5538
5583
5578
5566
5586
5573
5524
5546
5560
5549
558455615564
5582
5574
5537
5594
5612
5601
5543
5541
MW-01
MW-02
MW-03
MW-05
MW-11
MW-12
MW-14
MW-15
MW-17
MW-18
MW-19
MW-20
MW-22
MW-23
MW-24
MW-25
MW-27
MW-28
MW-29
MW-30
MW-31

MW-26

MW-32
TW4-19

TW4-26
PIEZ-1
PIEZ-2
PIEZ-3
PIEZ-4
PIEZ-5
5551
5554 5555MW-04
5542
5570
5599
TWN-3
TWN-4
TWN-5
TWN-6
TWN-7
TWN-8
TWN-9
TWN-10
TWN-11 TWN-12
TWN-13
TWN-14
TWN-15
TWN-16
TWN-17
TWN-18
TWN-19
5603
5605
5585
5590
5560
5590
5583
5585
5615 5632
5588
5587
5584
5604
5607
5588
5608
5601
5613
TWN-1
TWN-2
TW4-20
TW4-4
MW-22
PIEZ-1
5450
5594
perched monitoring well showing
elevation in feet amsl
perched piezometer showing
elevation in feet amsl
5556 temporary perched monitoring well
showing elevation in feet amsl
KRIGED 2nd QUARTER, 2010 WATER LEVELS
WHITE MESA SITE
H:/718000/aug10/wl0610.srf
EXPLANATION
temporary perched monitoring well installed
May, 2010 showing elevation in feet amsl SJS
temporary perched nitrate monitoring well
showing elevation in feet amsl
TWN-4
5605
NOTE: MW-4, MW-26, TW4-4, TW4-19 and TW4-20 are pumping wells
TW4-26
5537
HYDRO
GEO
CHEM, INC.APPROVED DATE REFERENCE FIGURE
3332
3000
SCALE IN FEET
0
5580
5504
5471
5503
5521
5501
5495
5494
5499
5587
5604
5457
5450
5495
5507
5538
5577
5543
5512
5538
5547 5556
5558
5584
5531
5585
5538
5583
5578
5566
5586
5573
5524
5546
5560
5549
558455615564
5582
5574
5537
5594
5612
5601
5543
5541
MW-01
MW-02
MW-03
MW-05
MW-11
MW-12
MW-14
MW-15
MW-17
MW-18
MW-19
MW-20
MW-22
MW-23
MW-24
MW-25
MW-27
MW-28
MW-29
MW-30
MW-31

MW-26

MW-32
TW4-19

TW4-26
PIEZ-1
PIEZ-2
PIEZ-3
PIEZ-4
PIEZ-5
5551
5554 5555MW-04
5542
5570
5599
TWN-3
TWN-4
TWN-5
TWN-6
TWN-7
TWN-8
TWN-9
TWN-10
TWN-11 TWN-12
TWN-13
TWN-14
TWN-15
TWN-16
TWN-17
TWN-18
TWN-19
5603
5605
5585
5590
5560
5590
5583
5585
5615 5632
5588
5587
5584
5604
5607
5588
5608
5601
5613
TWN-1
TWN-2
TW4-20
TW4-4
MW-22
PIEZ-1
5450
5594
perched monitoring well showing
elevation in feet amsl
perched piezometer showing
elevation in feet amsl
5556 temporary perched monitoring well
showing elevation in feet amsl
KRIGED 2nd QUARTER, 2010 WATER LEVELS
AND ESTIMATED CAPTURE ZONES
WHITE MESA SITE
H:/718000/aug10/wl0610cz2.srf
EXPLANATION
SJS
temporary perched nitrate monitoring well
showing elevation in feet amsl
TWN-4
5605
NOTE: MW-4, MW-26, TW4-4, TW4-19 and TW4-20 are pumping wells
estimated capture zone
boundary stream tubes
resulting from pumping
5537 temporary perched monitoring well installed
May, 2010 showing elevation in feet amsl
TW4-26
HYDRO
GEO
CHEM, INC.APPROVED DATE REFERENCE FIGURE
SCALE IN FEET
0 300150
( buried line )Tank
Holding
Waste
Lab
5538
5577
5547
5556
5558
5584
5531
5585
5538
5555
5583
5578
5566
5586
5573
5524
5546
5560
5549
55845561
5564
5582
5574
5542
5570
5599
5537
5612
5601
5601
5613
5603
5605
5560
5588
55515554
MW-25
MW-27
MW-31
TW4-1
TW4-2
TW4-3
TW4-4
TW4-5
TW4-6
TW4-8
TW4-9
TW4-10
TW4-11
TW4-12
TW4-13
TW4-14
MW-26
TW4-16
MW-32
TW4-18TW4-19
TW4-20
TW4-21
TW4-22
TW4-23
TW4-24
TW4-25
TW4-26
PIEZ-2
PIEZ-3
TWN-1
TWN-2
TWN-3
TWN-4
TWN-7
TWN-18
MW-04TW4-7
KRIGED 2nd QUARTER, 2010 WATER LEVELS
AND ESTIMATED CAPTURE ZONES
WHITE MESA SITE
(detail map)
temporary perched monitoring well
showing elevation in feet amsl
perched monitoring well showing
elevation in feet amsl
TW4-1
5556
MW-32
5549
EXPLANATION
estimated capture zone
boundary stream tubes
resulting from pumping
NOTE: MW-4, MW-26, TW4-4, TW4-19, and TW4-20 are pumping wells
SJS H:/718000/aug10/wl0610cz.srf
TWN-1
5601 temporary perched nitrate monitoring
well showing elevation in feet amsl
NAME: 612.14
820
DATE: 1450
TIME WELL I.D. DEPTH TIME WELL I.D. DEPTH TIME WELL I.D. DEPTH
1404 MW‐1 67.36 846 TW4‐1 62.39 TW4‐26* 64.78
1052 MW‐2 109.59 851 TW4‐2 67.09 1320 PIEZ‐1 61.75
934 MW‐3 84.21 842 TW4‐3 48.41 1314 PIEZ‐2 16.41
936 MW‐3A 85.40 913 TW4‐4 82.61 1308 PIEZ‐3 37.29
849 MW‐4 71.35 839 TW4‐5 55.84 949 PIEZ‐4 48.45
1042 MW‐5 106.37 911 TW4‐6 70.64 946 PIEZ‐5 43.45
957 MW‐11 89.47 848 TW4‐7 66.87 1023 TWN‐1 47.43
1046 MW‐12 108.36 844 TW4‐8 66.83 1017 TWN‐2 13.91
1036 MW‐14 103.55 840 TW4‐9 54.32 1300 TWN‐3 31.27
1038 MW‐15 106.31 837 TW4‐10 56.08 1310 TWN‐4 36.51
930 MW‐17 76.25 853 TW4‐11 58.01 1401 TWN‐5 69.80
1357 MW‐18 70.37 919 TW4‐12 37.88 1352 TWN‐6 74.54
1317 MW‐19 50.64 921 TW4‐13 47.06 1409 TWN‐7 89.66
1440 MW‐20 84.02 923 TW4‐14 88.76 1354 TWN‐8 61.53
1434 MW‐22 67.24 836 TW4‐15 79.84 1322 TWN‐9 64.39
1007 MW‐23 117.24 856 TW4‐16 64.17 1349 TWN‐10 81.56
1011 MW‐24 114.53 907 TW4‐17 76.35 1344 TWN‐11 69.37
953 MW‐25 74.94 1026 TW4‐18 57.11 1341 TWN‐12 36.60
836 MW‐26 79.84 1429 TW4‐19 70.04 1327 TWN‐13 46.68
1015 MW‐27 50.61 834 TW4‐20 65.31 1330 TWN‐14 62.81
1058 MW‐28 77.28 1029 TW4‐21 57.12 1347 TWN‐15 92.33
1004 MW‐29 102.31 832 TW4‐22 54.71 1336 TWN‐16 48.39
859 MW‐30 76.65 909 TW4‐23 65.76 1334 TWN‐17 35.00
904 MW‐31 68.99 830 TW4‐24 55.92 1303 TWN‐18 57.74
907 MW‐32 76.35 1019 TW4‐25 45.28 1448 TWN‐19 53.47
Comments:
* TW4‐26 was installed after the quarterly water levels were measured.  The measurement recorded above was recorded 
when the well was purged proior to the first sampling event on June 14, 2010. 
Quarterly Depth to Water 
Tanner Holliday MMHG: 
Start time:
5/11/2010 Finish Time: 

Tab E
Kriged Previous Quarter Groundwater Contour Map

HYDRO
GEO
CHEM, INC.APPROVED DATE REFERENCE FIGURE
3332
3000
SCALE IN FEET
0
5582
5503
5472
5503
5521
5501
5494
5494
5499
5587
5604
5458
5450
5498
5507
5537
5577
5543
5512
5538
5547 5557
5558
5584
5546
5586
5538
5584
5578
5565
5586
5572
5523
5544
5560
5548
55855571
5564
5583
5574
5593
5612
5602
5543
5541
MW-01
MW-02
MW-03
MW-05
MW-11
MW-12
MW-14
MW-15
MW-17
MW-18
MW-19
MW-20
MW-22
MW-23
MW-24
MW-25
MW-27
MW-28
MW-29
MW-30
MW-31

MW-26

MW-32
TW4-19

PIEZ-1
PIEZ-2
PIEZ-3
PIEZ-4
PIEZ-5
5546
5555 5555MW-04
5541
5569
5600

TWN-3
TWN-4
TWN-5
TWN-6
TWN-7
TWN-8
TWN-9
TWN-10
TWN-11 TWN-12
TWN-13
TWN-14
TWN-15
TWN-16
TWN-17
TWN-18
TWN-19
5603
5605
5585
5590
5560
5590
5583
5585
5615 5630
5587
5587
5584
5604
5606
5587
5607
5601
5612
TWN-1
TWN-2
TW4-20
TW4-4
MW-22
PIEZ-1
5450
5593
perched monitoring well showing
elevation in feet amsl
temporary perched monitoring well installed
April, 2005 showing elevation in feet amsl
perched piezometer showing
elevation in feet amsl
5557
MW-31
5547
temporary perched monitoring well
showing elevation in feet amsl
5574
perched monitoring well installed April, 2005
showing elevation in feet amsl KRIGED 1st QUARTER, 2010 WATER LEVELS
WHITE MESA SITE
H:/718000/may10/wl0310.srf
EXPLANATION
temporary perched monitoring well installed
May, 2007 showing elevation in feet amsl5541 SJS
temporary perched nitrate
monitoring well showing
elevation in feet amsl
TWN-4
5605
NOTE: MW-4, MW-26, TW4-4, TW4-19 and TW4-20 are pumping wells

Tab F
Hydrographs of Groundwater Elevations Over Time for Chloroform Monitoring Wells

0
20
40
60
09
/
2
5
/
7
9
02
/
0
6
/
8
1
06
/
2
1
/
8
2
11
/
0
3
/
8
3
03
/
1
7
/
8
5
07
/
3
0
/
8
6
12
/
1
2
/
8
7
04
/
2
5
/
8
9
09
/
0
7
/
9
0
01
/
2
0
/
9
2
06
/
0
3
/
9
3
10
/
1
6
/
9
4
02
/
2
8
/
9
6
07
/
1
2
/
9
7
11
/
2
4
/
9
8
04
/
0
7
/
0
0
08
/
2
0
/
0
1
01
/
0
2
/
0
3
05
/
1
6
/
0
4
09
/
2
8
/
0
5
02
/
1
0
/
0
7
06
/
2
4
/
0
8
11
/
0
6
/
0
9
03
/
2
1
/
1
1
08
/
0
2
/
1
2
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
MW 4 Water Depth Over Time (ft. blmp)
80
100
120
De
p
t
h

B
e
l
o
w

M
0
10
20
30
40
50
04
/
0
4
/
0
2
09
/
0
1
/
0
2
01
/
2
9
/
0
3
06
/
2
8
/
0
3
11
/
2
5
/
0
3
04
/
2
3
/
0
4
09
/
2
0
/
0
4
02
/
1
7
/
0
5
07
/
1
7
/
0
5
12
/
1
4
/
0
5
05
/
1
3
/
0
6
10
/
1
0
/
0
6
03
/
0
9
/
0
7
08
/
0
6
/
0
7
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
MW-4A Water Depth Over Time (ft. blmp)
60
70
80
90
100
De
p
t
h

B
e
l
o
w

M
50
55
60
65
11
/
0
8
/
9
9
04
/
0
6
/
0
0
09
/
0
3
/
0
0
01
/
3
1
/
0
1
06
/
3
0
/
0
1
11
/
2
7
/
0
1
04
/
2
6
/
0
2
09
/
2
3
/
0
2
02
/
2
0
/
0
3
07
/
2
0
/
0
3
12
/
1
7
/
0
3
05
/
1
5
/
0
4
10
/
1
2
/
0
4
03
/
1
1
/
0
5
08
/
0
8
/
0
5
01
/
0
5
/
0
6
06
/
0
4
/
0
6
11
/
0
1
/
0
6
03
/
3
1
/
0
7
08
/
2
8
/
0
7
01
/
2
5
/
0
8
06
/
2
3
/
0
8
11
/
2
0
/
0
8
04
/
1
9
/
0
9
09
/
1
6
/
0
9
02
/
1
3
/
1
0
07
/
1
3
/
1
0
12
/
1
0
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-1 Water Depth Over Time (ft. blmp)
70
75
80
85
De
p
t
h

B
e
l
o
w

M
50
55
60
65
11
/
0
8
/
9
9
04
/
0
6
/
0
0
09
/
0
3
/
0
0
01
/
3
1
/
0
1
06
/
3
0
/
0
1
11
/
2
7
/
0
1
04
/
2
6
/
0
2
09
/
2
3
/
0
2
02
/
2
0
/
0
3
07
/
2
0
/
0
3
12
/
1
7
/
0
3
05
/
1
5
/
0
4
10
/
1
2
/
0
4
03
/
1
1
/
0
5
08
/
0
8
/
0
5
01
/
0
5
/
0
6
06
/
0
4
/
0
6
11
/
0
1
/
0
6
03
/
3
1
/
0
7
08
/
2
8
/
0
7
01
/
2
5
/
0
8
06
/
2
3
/
0
8
11
/
2
0
/
0
8
04
/
1
9
/
0
9
09
/
1
6
/
0
9
02
/
1
3
/
1
0
07
/
1
3
/
1
0
12
/
1
0
/
1
0
Mea
s
u
r
i
n
g

P
o
i
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t

(
f
t
.
)
TW4-2 Water Depth Over Time (ft. blmp)
70
75
80
85
De
p
t
h

B
e
l
o
w

M
40
45
50
55
11
/
2
9
/
9
9
04
/
2
7
/
0
0
09
/
2
4
/
0
0
02
/
2
1
/
0
1
07
/
2
1
/
0
1
12
/
1
8
/
0
1
05
/
1
7
/
0
2
10
/
1
4
/
0
2
03
/
1
3
/
0
3
08
/
1
0
/
0
3
01
/
0
7
/
0
4
06
/
0
5
/
0
4
11
/
0
2
/
0
4
04
/
0
1
/
0
5
08
/
2
9
/
0
5
01
/
2
6
/
0
6
06
/
2
5
/
0
6
11
/
2
2
/
0
6
04
/
2
1
/
0
7
09
/
1
8
/
0
7
02
/
1
5
/
0
8
07
/
1
4
/
0
8
12
/
1
1
/
0
8
05
/
1
0
/
0
9
10
/
0
7
/
0
9
03
/
0
6
/
1
0
08
/
0
3
/
1
0
12
/
3
1
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-3 Water Depth Over Time (ft. blmp)
60
65
70
75
De
p
t
h

B
e
l
o
w

M
50
60
70
80
05
/
2
5
/
0
0
09
/
0
2
/
0
0
12
/
1
1
/
0
0
03
/
2
1
/
0
1
06
/
2
9
/
0
1
10
/
0
7
/
0
1
01
/
1
5
/
0
2
04
/
2
5
/
0
2
08
/
0
3
/
0
2
11
/
1
1
/
0
2
02
/
1
9
/
0
3
05
/
3
0
/
0
3
09
/
0
7
/
0
3
12
/
1
6
/
0
3
03
/
2
5
/
0
4
07
/
0
3
/
0
4
10
/
1
1
/
0
4
01
/
1
9
/
0
5
04
/
2
9
/
0
5
08
/
0
7
/
0
5
11
/
1
5
/
0
5
02
/
2
3
/
0
6
06
/
0
3
/
0
6
09
/
1
1
/
0
6
12
/
2
0
/
0
6
03
/
3
0
/
0
7
07
/
0
8
/
0
7
10
/
1
6
/
0
7
01
/
2
4
/
0
8
05
/
0
3
/
0
8
08
/
1
1
/
0
8
11
/
1
9
/
0
8
02
/
2
7
/
0
9
06
/
0
7
/
0
9
09
/
1
5
/
0
9
12
/
2
4
/
0
9
04
/
0
3
/
1
0
07
/
1
2
/
1
0
10
/
2
0
/
1
0
01
/
2
8
/
1
1
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-4 Water Depth Over Time (ft. blmp)
90
100
110
De
p
t
h

B
e
l
o
w

M
50
52
54
56
01
/
0
2
/
0
0
04
/
1
1
/
0
0
07
/
2
0
/
0
0
10
/
2
8
/
0
0
02
/
0
5
/
0
1
05
/
1
6
/
0
1
08
/
2
4
/
0
1
12
/
0
2
/
0
1
03
/
1
2
/
0
2
06
/
2
0
/
0
2
09
/
2
8
/
0
2
01
/
0
6
/
0
3
04
/
1
6
/
0
3
07
/
2
5
/
0
3
11
/
0
2
/
0
3
02
/
1
0
/
0
4
05
/
2
0
/
0
4
08
/
2
8
/
0
4
12
/
0
6
/
0
4
03
/
1
6
/
0
5
06
/
2
4
/
0
5
10
/
0
2
/
0
5
01
/
1
0
/
0
6
04
/
2
0
/
0
6
07
/
2
9
/
0
6
11
/
0
6
/
0
6
02
/
1
4
/
0
7
05
/
2
5
/
0
7
09
/
0
2
/
0
7
12
/
1
1
/
0
7
03
/
2
0
/
0
8
06
/
2
8
/
0
8
10
/
0
6
/
0
8
01
/
1
4
/
0
9
04
/
2
4
/
0
9
08
/
0
2
/
0
9
11
/
1
0
/
0
9
02
/
1
8
/
1
0
05
/
2
9
/
1
0
09
/
0
6
/
1
0
12
/
1
5
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-5 Water Depth Over Time (ft. blmp)
58
60
62
De
p
t
h

B
e
l
o
w

M
50
55
60
65
70
05
/
2
5
/
0
0
09
/
0
2
/
0
0
12
/
1
1
/
0
0
03
/
2
1
/
0
1
06
/
2
9
/
0
1
10
/
0
7
/
0
1
01
/
1
5
/
0
2
04
/
2
5
/
0
2
08
/
0
3
/
0
2
11
/
1
1
/
0
2
02
/
1
9
/
0
3
05
/
3
0
/
0
3
09
/
0
7
/
0
3
12
/
1
6
/
0
3
03
/
2
5
/
0
4
07
/
0
3
/
0
4
10
/
1
1
/
0
4
01
/
1
9
/
0
5
04
/
2
9
/
0
5
08
/
0
7
/
0
5
11
/
1
5
/
0
5
02
/
2
3
/
0
6
06
/
0
3
/
0
6
09
/
1
1
/
0
6
12
/
2
0
/
0
6
03
/
3
0
/
0
7
07
/
0
8
/
0
7
10
/
1
6
/
0
7
01
/
2
4
/
0
8
05
/
0
3
/
0
8
08
/
1
1
/
0
8
11
/
1
9
/
0
8
02
/
2
7
/
0
9
06
/
0
7
/
0
9
09
/
1
5
/
0
9
12
/
2
4
/
0
9
04
/
0
3
/
1
0
07
/
1
2
/
1
0
10
/
2
0
/
1
0
01
/
2
8
/
1
1
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-6 Water Depth Over Time (ft. blmp)
75
80
85
90
De
p
t
h

B
e
l
o
w

M
50
55
60
65
11
/
2
9
/
9
9
03
/
0
8
/
0
0
06
/
1
6
/
0
0
09
/
2
4
/
0
0
01
/
0
2
/
0
1
04
/
1
2
/
0
1
07
/
2
1
/
0
1
10
/
2
9
/
0
1
02
/
0
6
/
0
2
05
/
1
7
/
0
2
08
/
2
5
/
0
2
12
/
0
3
/
0
2
03
/
1
3
/
0
3
06
/
2
1
/
0
3
09
/
2
9
/
0
3
01
/
0
7
/
0
4
04
/
1
6
/
0
4
07
/
2
5
/
0
4
11
/
0
2
/
0
4
02
/
1
0
/
0
5
05
/
2
1
/
0
5
08
/
2
9
/
0
5
12
/
0
7
/
0
5
03
/
1
7
/
0
6
06
/
2
5
/
0
6
10
/
0
3
/
0
6
01
/
1
1
/
0
7
04
/
2
1
/
0
7
07
/
3
0
/
0
7
11
/
0
7
/
0
7
02
/
1
5
/
0
8
05
/
2
5
/
0
8
09
/
0
2
/
0
8
12
/
1
1
/
0
8
03
/
2
1
/
0
9
06
/
2
9
/
0
9
10
/
0
7
/
0
9
01
/
1
5
/
1
0
04
/
2
5
/
1
0
08
/
0
3
/
1
0
11
/
1
1
/
1
0
02
/
1
9
/
1
1
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-7 Water Depth Over Time (ft. blmp)
70
75
80
85
De
p
t
h

B
e
l
o
w

M
60
62
64
66
68
70
11
/
2
9
/
9
9
03
/
0
8
/
0
0
06
/
1
6
/
0
0
09
/
2
4
/
0
0
01
/
0
2
/
0
1
04
/
1
2
/
0
1
07
/
2
1
/
0
1
10
/
2
9
/
0
1
02
/
0
6
/
0
2
05
/
1
7
/
0
2
08
/
2
5
/
0
2
12
/
0
3
/
0
2
03
/
1
3
/
0
3
06
/
2
1
/
0
3
09
/
2
9
/
0
3
01
/
0
7
/
0
4
04
/
1
6
/
0
4
07
/
2
5
/
0
4
11
/
0
2
/
0
4
02
/
1
0
/
0
5
05
/
2
1
/
0
5
08
/
2
9
/
0
5
12
/
0
7
/
0
5
03
/
1
7
/
0
6
06
/
2
5
/
0
6
10
/
0
3
/
0
6
01
/
1
1
/
0
7
04
/
2
1
/
0
7
07
/
3
0
/
0
7
11
/
0
7
/
0
7
02
/
1
5
/
0
8
05
/
2
5
/
0
8
09
/
0
2
/
0
8
12
/
1
1
/
0
8
03
/
2
1
/
0
9
06
/
2
9
/
0
9
10
/
0
7
/
0
9
01
/
1
5
/
1
0
04
/
2
5
/
1
0
08
/
0
3
/
1
0
11
/
1
1
/
1
0
02
/
1
9
/
1
1
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-8 Water Depth Over Time (ft. blmp)
72
74
76
78
80
De
p
t
h

B
e
l
o
w

M
50
52
54
56
58
60
12
/
2
0
/
9
9
03
/
2
9
/
0
0
07
/
0
7
/
0
0
10
/
1
5
/
0
0
01
/
2
3
/
0
1
05
/
0
3
/
0
1
08
/
1
1
/
0
1
11
/
1
9
/
0
1
02
/
2
7
/
0
2
06
/
0
7
/
0
2
09
/
1
5
/
0
2
12
/
2
4
/
0
2
04
/
0
3
/
0
3
07
/
1
2
/
0
3
10
/
2
0
/
0
3
01
/
2
8
/
0
4
05
/
0
7
/
0
4
08
/
1
5
/
0
4
11
/
2
3
/
0
4
03
/
0
3
/
0
5
06
/
1
1
/
0
5
09
/
1
9
/
0
5
12
/
2
8
/
0
5
04
/
0
7
/
0
6
07
/
1
6
/
0
6
10
/
2
4
/
0
6
02
/
0
1
/
0
7
05
/
1
2
/
0
7
08
/
2
0
/
0
7
11
/
2
8
/
0
7
03
/
0
7
/
0
8
06
/
1
5
/
0
8
09
/
2
3
/
0
8
01
/
0
1
/
0
9
04
/
1
1
/
0
9
07
/
2
0
/
0
9
10
/
2
8
/
0
9
02
/
0
5
/
1
0
05
/
1
6
/
1
0
08
/
2
4
/
1
0
12
/
0
2
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-9 Water Depth Over Time (ft. blmp)
62
64
66
68
70
De
p
t
h

B
e
l
o
w

M
53
54
55
56
01
/
0
3
/
0
2
04
/
1
3
/
0
2
07
/
2
2
/
0
2
10
/
3
0
/
0
2
02
/
0
7
/
0
3
05
/
1
8
/
0
3
08
/
2
6
/
0
3
12
/
0
4
/
0
3
03
/
1
3
/
0
4
06
/
2
1
/
0
4
09
/
2
9
/
0
4
01
/
0
7
/
0
5
04
/
1
7
/
0
5
07
/
2
6
/
0
5
11
/
0
3
/
0
5
02
/
1
1
/
0
6
05
/
2
2
/
0
6
08
/
3
0
/
0
6
12
/
0
8
/
0
6
03
/
1
8
/
0
7
06
/
2
6
/
0
7
10
/
0
4
/
0
7
01
/
1
2
/
0
8
04
/
2
1
/
0
8
07
/
3
0
/
0
8
11
/
0
7
/
0
8
02
/
1
5
/
0
9
05
/
2
6
/
0
9
09
/
0
3
/
0
9
12
/
1
2
/
0
9
03
/
2
2
/
1
0
06
/
3
0
/
1
0
10
/
0
8
/
1
0
01
/
1
6
/
1
1
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-10 Water Depth Over Time (ft. blmp)
57
58
59
De
p
t
h

B
e
l
o
w

M
50
55
60
65
01
/
0
3
/
0
2
04
/
1
3
/
0
2
07
/
2
2
/
0
2
10
/
3
0
/
0
2
02
/
0
7
/
0
3
05
/
1
8
/
0
3
08
/
2
6
/
0
3
12
/
0
4
/
0
3
03
/
1
3
/
0
4
06
/
2
1
/
0
4
09
/
2
9
/
0
4
01
/
0
7
/
0
5
04
/
1
7
/
0
5
07
/
2
6
/
0
5
11
/
0
3
/
0
5
02
/
1
1
/
0
6
05
/
2
2
/
0
6
08
/
3
0
/
0
6
12
/
0
8
/
0
6
03
/
1
8
/
0
7
06
/
2
6
/
0
7
10
/
0
4
/
0
7
01
/
1
2
/
0
8
04
/
2
1
/
0
8
07
/
3
0
/
0
8
11
/
0
7
/
0
8
02
/
1
5
/
0
9
05
/
2
6
/
0
9
09
/
0
3
/
0
9
12
/
1
2
/
0
9
03
/
2
2
/
1
0
06
/
3
0
/
1
0
10
/
0
8
/
1
0
01
/
1
6
/
1
1
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-11 Water Depth Over Time (ft. blmp)
70
75
80
De
p
t
h

B
e
l
o
w

M
34
35
36
37
38
39
08
/
2
3
/
0
2
12
/
0
1
/
0
2
03
/
1
1
/
0
3
06
/
1
9
/
0
3
09
/
2
7
/
0
3
01
/
0
5
/
0
4
04
/
1
4
/
0
4
07
/
2
3
/
0
4
10
/
3
1
/
0
4
02
/
0
8
/
0
5
05
/
1
9
/
0
5
08
/
2
7
/
0
5
12
/
0
5
/
0
5
03
/
1
5
/
0
6
06
/
2
3
/
0
6
10
/
0
1
/
0
6
01
/
0
9
/
0
7
04
/
1
9
/
0
7
07
/
2
8
/
0
7
11
/
0
5
/
0
7
02
/
1
3
/
0
8
05
/
2
3
/
0
8
08
/
3
1
/
0
8
12
/
0
9
/
0
8
03
/
1
9
/
0
9
06
/
2
7
/
0
9
10
/
0
5
/
0
9
01
/
1
3
/
1
0
04
/
2
3
/
1
0
08
/
0
1
/
1
0
11
/
0
9
/
1
0
Mea
s
u
r
i
n
g

P
o
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n
t

(
f
t
.
)
TW4-12 Water Depth Over Time (ft. blmp)
40
41
42
43
44
De
p
t
h

B
e
l
o
w

M
40
50
60
70
08
/
2
3
/
0
2
12
/
0
1
/
0
2
03
/
1
1
/
0
3
06
/
1
9
/
0
3
09
/
2
7
/
0
3
01
/
0
5
/
0
4
04
/
1
4
/
0
4
07
/
2
3
/
0
4
10
/
3
1
/
0
4
02
/
0
8
/
0
5
05
/
1
9
/
0
5
08
/
2
7
/
0
5
12
/
0
5
/
0
5
03
/
1
5
/
0
6
06
/
2
3
/
0
6
10
/
0
1
/
0
6
01
/
0
9
/
0
7
04
/
1
9
/
0
7
07
/
2
8
/
0
7
11
/
0
5
/
0
7
02
/
1
3
/
0
8
05
/
2
3
/
0
8
08
/
3
1
/
0
8
12
/
0
9
/
0
8
03
/
1
9
/
0
9
06
/
2
7
/
0
9
10
/
0
5
/
0
9
01
/
1
3
/
1
0
04
/
2
3
/
1
0
08
/
0
1
/
1
0
11
/
0
9
/
1
0
Mea
s
u
r
i
n
g

P
o
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n
t

(
f
t
.
)
TW4-13 Water Depth Over Time (ft. blmp)
80
90
100
De
p
t
h

B
e
l
o
w

M
88
89
90
91
08
/
2
3
/
0
2
12
/
0
1
/
0
2
03
/
1
1
/
0
3
06
/
1
9
/
0
3
09
/
2
7
/
0
3
01
/
0
5
/
0
4
04
/
1
4
/
0
4
07
/
2
3
/
0
4
10
/
3
1
/
0
4
02
/
0
8
/
0
5
05
/
1
9
/
0
5
08
/
2
7
/
0
5
12
/
0
5
/
0
5
03
/
1
5
/
0
6
06
/
2
3
/
0
6
10
/
0
1
/
0
6
01
/
0
9
/
0
7
04
/
1
9
/
0
7
07
/
2
8
/
0
7
11
/
0
5
/
0
7
02
/
1
3
/
0
8
05
/
2
3
/
0
8
08
/
3
1
/
0
8
12
/
0
9
/
0
8
03
/
1
9
/
0
9
06
/
2
7
/
0
9
10
/
0
5
/
0
9
01
/
1
3
/
1
0
04
/
2
3
/
1
0
08
/
0
1
/
1
0
11
/
0
9
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-14 Water Depth Over Time (ft. blmp)
92
93
94
95
De
p
t
h

B
e
l
o
w

M
40
50
60
70
08
/
2
3
/
0
2
12
/
0
1
/
0
2
03
/
1
1
/
0
3
06
/
1
9
/
0
3
09
/
2
7
/
0
3
01
/
0
5
/
0
4
04
/
1
4
/
0
4
07
/
2
3
/
0
4
10
/
3
1
/
0
4
02
/
0
8
/
0
5
05
/
1
9
/
0
5
08
/
2
7
/
0
5
12
/
0
5
/
0
5
03
/
1
5
/
0
6
06
/
2
3
/
0
6
10
/
0
1
/
0
6
01
/
0
9
/
0
7
04
/
1
9
/
0
7
07
/
2
8
/
0
7
11
/
0
5
/
0
7
02
/
1
3
/
0
8
05
/
2
3
/
0
8
08
/
3
1
/
0
8
12
/
0
9
/
0
8
03
/
1
9
/
0
9
06
/
2
7
/
0
9
10
/
0
5
/
0
9
01
/
1
3
/
1
0
04
/
2
3
/
1
0
08
/
0
1
/
1
0
11
/
0
9
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-15 Water Depth Over Time (ft. blmp)
80
90
100
De
p
t
h

B
e
l
o
w

M
50
55
60
65
08
/
2
3
/
0
2
12
/
0
1
/
0
2
03
/
1
1
/
0
3
06
/
1
9
/
0
3
09
/
2
7
/
0
3
01
/
0
5
/
0
4
04
/
1
4
/
0
4
07
/
2
3
/
0
4
10
/
3
1
/
0
4
02
/
0
8
/
0
5
05
/
1
9
/
0
5
08
/
2
7
/
0
5
12
/
0
5
/
0
5
03
/
1
5
/
0
6
06
/
2
3
/
0
6
10
/
0
1
/
0
6
01
/
0
9
/
0
7
04
/
1
9
/
0
7
07
/
2
8
/
0
7
11
/
0
5
/
0
7
02
/
1
3
/
0
8
05
/
2
3
/
0
8
08
/
3
1
/
0
8
12
/
0
9
/
0
8
03
/
1
9
/
0
9
06
/
2
7
/
0
9
10
/
0
5
/
0
9
01
/
1
3
/
1
0
04
/
2
3
/
1
0
08
/
0
1
/
1
0
11
/
0
9
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-16 Water Depth Over Time (ft. blmp)
70
75
80
De
p
t
h

B
e
l
o
w

M
76
77
78
79
80
08
/
2
3
/
0
2
12
/
0
1
/
0
2
03
/
1
1
/
0
3
06
/
1
9
/
0
3
09
/
2
7
/
0
3
01
/
0
5
/
0
4
04
/
1
4
/
0
4
07
/
2
3
/
0
4
10
/
3
1
/
0
4
02
/
0
8
/
0
5
05
/
1
9
/
0
5
08
/
2
7
/
0
5
12
/
0
5
/
0
5
03
/
1
5
/
0
6
06
/
2
3
/
0
6
10
/
0
1
/
0
6
01
/
0
9
/
0
7
04
/
1
9
/
0
7
07
/
2
8
/
0
7
11
/
0
5
/
0
7
02
/
1
3
/
0
8
05
/
2
3
/
0
8
08
/
3
1
/
0
8
12
/
0
9
/
0
8
03
/
1
9
/
0
9
06
/
2
7
/
0
9
10
/
0
5
/
0
9
01
/
1
3
/
1
0
04
/
2
3
/
1
0
08
/
0
1
/
1
0
11
/
0
9
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-17 Water Depth Over Time (ft. blmp)
81
82
83
84
De
p
t
h

B
e
l
o
w

M
50
51
52
53
54
55
08
/
2
3
/
0
2
12
/
0
1
/
0
2
03
/
1
1
/
0
3
06
/
1
9
/
0
3
09
/
2
7
/
0
3
01
/
0
5
/
0
4
04
/
1
4
/
0
4
07
/
2
3
/
0
4
10
/
3
1
/
0
4
02
/
0
8
/
0
5
05
/
1
9
/
0
5
08
/
2
7
/
0
5
12
/
0
5
/
0
5
03
/
1
5
/
0
6
06
/
2
3
/
0
6
10
/
0
1
/
0
6
01
/
0
9
/
0
7
04
/
1
9
/
0
7
07
/
2
8
/
0
7
11
/
0
5
/
0
7
02
/
1
3
/
0
8
05
/
2
3
/
0
8
08
/
3
1
/
0
8
12
/
0
9
/
0
8
03
/
1
9
/
0
9
06
/
2
7
/
0
9
10
/
0
5
/
0
9
01
/
1
3
/
1
0
04
/
2
3
/
1
0
08
/
0
1
/
1
0
11
/
0
9
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-18 Water Depth Over Time (ft. blmp)
55
56
57
58
59
De
p
t
h

B
e
l
o
w

M
40
50
60
70
08
/
2
3
/
0
2
12
/
0
1
/
0
2
03
/
1
1
/
0
3
06
/
1
9
/
0
3
09
/
2
7
/
0
3
01
/
0
5
/
0
4
04
/
1
4
/
0
4
07
/
2
3
/
0
4
10
/
3
1
/
0
4
02
/
0
8
/
0
5
05
/
1
9
/
0
5
08
/
2
7
/
0
5
12
/
0
5
/
0
5
03
/
1
5
/
0
6
06
/
2
3
/
0
6
10
/
0
1
/
0
6
01
/
0
9
/
0
7
04
/
1
9
/
0
7
07
/
2
8
/
0
7
11
/
0
5
/
0
7
02
/
1
3
/
0
8
05
/
2
3
/
0
8
08
/
3
1
/
0
8
12
/
0
9
/
0
8
03
/
1
9
/
0
9
06
/
2
7
/
0
9
10
/
0
5
/
0
9
01
/
1
3
/
1
0
04
/
2
3
/
1
0
08
/
0
1
/
1
0
11
/
0
9
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-19 Water Depth Over Time (ft. blmp)
80
90
100
De
p
t
h

B
e
l
o
w

M
40
50
60
70
07
/
2
9
/
0
5
09
/
1
7
/
0
5
11
/
0
6
/
0
5
12
/
2
6
/
0
5
02
/
1
4
/
0
6
04
/
0
5
/
0
6
05
/
2
5
/
0
6
07
/
1
4
/
0
6
09
/
0
2
/
0
6
10
/
2
2
/
0
6
12
/
1
1
/
0
6
01
/
3
0
/
0
7
03
/
2
1
/
0
7
05
/
1
0
/
0
7
06
/
2
9
/
0
7
08
/
1
8
/
0
7
10
/
0
7
/
0
7
11
/
2
6
/
0
7
01
/
1
5
/
0
8
03
/
0
5
/
0
8
04
/
2
4
/
0
8
06
/
1
3
/
0
8
08
/
0
2
/
0
8
09
/
2
1
/
0
8
11
/
1
0
/
0
8
12
/
3
0
/
0
8
02
/
1
8
/
0
9
04
/
0
9
/
0
9
05
/
2
9
/
0
9
07
/
1
8
/
0
9
09
/
0
6
/
0
9
10
/
2
6
/
0
9
12
/
1
5
/
0
9
02
/
0
3
/
1
0
03
/
2
5
/
1
0
05
/
1
4
/
1
0
07
/
0
3
/
1
0
08
/
2
2
/
1
0
Mea
s
u
r
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g

P
o
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t

(
f
t
.
)
TW4-20 Water Depth Over Time (ft. blmp)
80
90
100
De
p
t
h

B
e
l
o
w

M
52
54
56
58
07
/
2
9
/
0
5
09
/
1
7
/
0
5
11
/
0
6
/
0
5
12
/
2
6
/
0
5
02
/
1
4
/
0
6
04
/
0
5
/
0
6
05
/
2
5
/
0
6
07
/
1
4
/
0
6
09
/
0
2
/
0
6
10
/
2
2
/
0
6
12
/
1
1
/
0
6
01
/
3
0
/
0
7
03
/
2
1
/
0
7
05
/
1
0
/
0
7
06
/
2
9
/
0
7
08
/
1
8
/
0
7
10
/
0
7
/
0
7
11
/
2
6
/
0
7
01
/
1
5
/
0
8
03
/
0
5
/
0
8
04
/
2
4
/
0
8
06
/
1
3
/
0
8
08
/
0
2
/
0
8
09
/
2
1
/
0
8
11
/
1
0
/
0
8
12
/
3
0
/
0
8
02
/
1
8
/
0
9
04
/
0
9
/
0
9
05
/
2
9
/
0
9
07
/
1
8
/
0
9
09
/
0
6
/
0
9
10
/
2
6
/
0
9
12
/
1
5
/
0
9
02
/
0
3
/
1
0
03
/
2
5
/
1
0
05
/
1
4
/
1
0
07
/
0
3
/
1
0
08
/
2
2
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-21 Water Depth Over Time (ft. blmp)
60
62
64
De
p
t
h

B
e
l
o
w

M
55
55
56
56
57
07
/
2
9
/
0
5
09
/
1
7
/
0
5
11
/
0
6
/
0
5
12
/
2
6
/
0
5
02
/
1
4
/
0
6
04
/
0
5
/
0
6
05
/
2
5
/
0
6
07
/
1
4
/
0
6
09
/
0
2
/
0
6
10
/
2
2
/
0
6
12
/
1
1
/
0
6
01
/
3
0
/
0
7
03
/
2
1
/
0
7
05
/
1
0
/
0
7
06
/
2
9
/
0
7
08
/
1
8
/
0
7
10
/
0
7
/
0
7
11
/
2
6
/
0
7
01
/
1
5
/
0
8
03
/
0
5
/
0
8
04
/
2
4
/
0
8
06
/
1
3
/
0
8
08
/
0
2
/
0
8
09
/
2
1
/
0
8
11
/
1
0
/
0
8
12
/
3
0
/
0
8
02
/
1
8
/
0
9
04
/
0
9
/
0
9
05
/
2
9
/
0
9
07
/
1
8
/
0
9
09
/
0
6
/
0
9
10
/
2
6
/
0
9
12
/
1
5
/
0
9
02
/
0
3
/
1
0
03
/
2
5
/
1
0
05
/
1
4
/
1
0
07
/
0
3
/
1
0
08
/
2
2
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-22 Water Depth Over Time (ft. blmp)
57
58
58
59
De
p
t
h

B
e
l
o
w

M
66
66
67
67
09
/
1
3
/
0
7
11
/
0
2
/
0
7
12
/
2
2
/
0
7
02
/
1
0
/
0
8
03
/
3
1
/
0
8
05
/
2
0
/
0
8
07
/
0
9
/
0
8
08
/
2
8
/
0
8
10
/
1
7
/
0
8
12
/
0
6
/
0
8
01
/
2
5
/
0
9
03
/
1
6
/
0
9
05
/
0
5
/
0
9
06
/
2
4
/
0
9
08
/
1
3
/
0
9
10
/
0
2
/
0
9
11
/
2
1
/
0
9
01
/
1
0
/
1
0
03
/
0
1
/
1
0
04
/
2
0
/
1
0
06
/
0
9
/
1
0
07
/
2
9
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-23 Water Depth Over Time (ft. blmp)
68
68
69
69
De
p
t
h

B
e
l
o
w

M
56
56
56
56
57
09
/
1
3
/
0
7
11
/
0
2
/
0
7
12
/
2
2
/
0
7
02
/
1
0
/
0
8
03
/
3
1
/
0
8
05
/
2
0
/
0
8
07
/
0
9
/
0
8
08
/
2
8
/
0
8
10
/
1
7
/
0
8
12
/
0
6
/
0
8
01
/
2
5
/
0
9
03
/
1
6
/
0
9
05
/
0
5
/
0
9
06
/
2
4
/
0
9
08
/
1
3
/
0
9
10
/
0
2
/
0
9
11
/
2
1
/
0
9
01
/
1
0
/
1
0
03
/
0
1
/
1
0
04
/
2
0
/
1
0
06
/
0
9
/
1
0
07
/
2
9
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-24 Water Depth Over Time (ft. blmp)
57
57
57
57
De
p
t
h

B
e
l
o
w

M
0
10
20
30
09
/
1
3
/
0
7
11
/
0
2
/
0
7
12
/
2
2
/
0
7
02
/
1
0
/
0
8
03
/
3
1
/
0
8
05
/
2
0
/
0
8
07
/
0
9
/
0
8
08
/
2
8
/
0
8
10
/
1
7
/
0
8
12
/
0
6
/
0
8
01
/
2
5
/
0
9
03
/
1
6
/
0
9
05
/
0
5
/
0
9
06
/
2
4
/
0
9
08
/
1
3
/
0
9
10
/
0
2
/
0
9
11
/
2
1
/
0
9
01
/
1
0
/
1
0
03
/
0
1
/
1
0
04
/
2
0
/
1
0
06
/
0
9
/
1
0
07
/
2
9
/
1
0
Mea
s
u
r
i
n
g

P
o
i
n
t

(
f
t
.
)
TW4-25 Water Depth Over Time (ft. blmp)
40
50
60
70
De
p
t
h

B
e
l
o
w

M

Tab G
Depths to Groundwater and Elevations Over Time for Chloroform Monitoring Wells

Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,620.77 5,622.33 1.56 123.6
5,527.63 09/25/79 94.70 93.14
5,527.63 10/10/79 94.70 93.14
5,528.43 01/10/80 93.90 92.34
5,529.93 03/20/80 92.40 90.84
5,528.03 06/17/80 94.30 92.74
5,528.03 09/15/80 94.30 92.74
5,527.93 10/08/80 94.40 92.84
5,527.93 02/12/81 94.40 92.84
5,525.93 09/01/84 96.40 94.84
5,528.33 12/01/84 94.00 92.44
5,528.13 02/01/85 94.20 92.64
5,528.33 06/01/85 94.00 92.44
5,528.93 09/01/85 93.40 91.84
5,528.93 10/01/85 93.40 91.84
5,528.93 11/01/85 93.40 91.84
5,528.83 12/01/85 93.50 91.94
5,512.33 03/01/86 110.00 108.44
5,528.91 06/19/86 93.42 91.86
5,528.83 09/01/86 93.50 91.94
5,529.16 12/01/86 93.17 91.61
5,526.66 02/20/87 95.67 94.11
5,529.16 04/28/87 93.17 91.61
5,529.08 08/14/87 93.25 91.69
5,529.00 11/20/87 93.33 91.77
5,528.75 01/26/88 93.58 92.02
5,528.91 06/01/88 93.42 91.86
5,528.25 08/23/88 94.08 92.52
5,529.00 11/02/88 93.33 91.77
5,528.33 03/09/89 94.00 92.44
5,529.10 06/21/89 93.23 91.67
5,529.06 09/01/89 93.27 91.71
5,529.21 11/15/89 93.12 91.56
5,529.22 02/16/90 93.11 91.55
5,529.43 05/08/90 92.90 91.34
5,529.40 08/07/90 92.93 91.37
5,529.53 11/13/90 92.80 91.24
5,529.86 02/27/91 92.47 90.91
5,529.91 05/21/91 92.42 90.86
5,529.77 08/27/91 92.56 91.00
5,529.79 12/03/91 92.54 90.98
5,530.13 03/17/92 92.20 90.64
5,529.85 06/11/92 92.48 90.92
5,529.90 09/13/92 92.43 90.87
Water Levels and Data over Time
White Mesa Mill - Well MW4
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,620.77 5,622.33 1.56 123.6
Water Levels and Data over Time
White Mesa Mill - Well MW4
5,529.92 12/09/92 92.41 90.85
5,530.25 03/24/93 92.08 90.52
5,530.20 06/08/93 92.13 90.57
5,530.19 09/22/93 92.14 90.58
5,529.75 12/14/93 92.58 91.02
5,530.98 03/24/94 91.35 89.79
5,531.35 06/15/94 90.98 89.42
5,531.62 08/18/94 90.71 89.15
5,532.58 12/13/94 89.75 88.19
5,533.42 03/16/95 88.91 87.35
5,534.70 06/27/95 87.63 86.07
5,535.44 09/20/95 86.89 85.33
5,537.16 12/11/95 85.17 83.61
5,538.37 03/28/96 83.96 82.40
5,539.10 06/07/96 83.23 81.67
5,539.13 09/16/96 83.20 81.64
5,542.29 03/20/97 80.04 78.48
5,551.58 04/07/99 70.75 69.19
5,552.08 05/11/99 70.25 68.69
5,552.83 07/06/99 69.50 67.94
5,553.47 09/28/99 68.86 67.30
5,554.63 01/03/00 67.70 66.14
5,555.13 04/04/00 67.20 65.64
5,555.73 05/02/00 66.60 65.04
5,556.03 05/11/00 66.30 64.74
5,555.73 05/15/00 66.60 65.04
5,555.98 05/25/00 66.35 64.79
5,556.05 06/09/00 66.28 64.72
5,556.18 06/16/00 66.15 64.59
5,556.05 06/26/00 66.28 64.72
5,556.15 07/06/00 66.18 64.62
5,556.18 07/13/00 66.15 64.59
5,556.17 07/18/00 66.16 64.60
5,556.26 07/25/00 66.07 64.51
5,556.35 08/02/00 65.98 64.42
5,556.38 08/09/00 65.95 64.39
5,556.39 08/15/00 65.94 64.38
5,556.57 08/31/00 65.76 64.20
5,556.68 09/08/00 65.65 64.09
5,556.73 09/13/00 65.60 64.04
5,556.82 09/20/00 65.51 63.95
5,556.84 09/29/00 65.49 63.93
5,556.81 10/05/00 65.52 63.96
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,620.77 5,622.33 1.56 123.6
Water Levels and Data over Time
White Mesa Mill - Well MW4
5,556.89 10/12/00 65.44 63.88
5,556.98 10/19/00 65.35 63.79
5,557.01 10/23/00 65.32 63.76
5,557.14 11/09/00 65.19 63.63
5,557.17 11/14/00 65.16 63.60
5,556.95 11/21/00 65.38 63.82
5,557.08 11/30/00 65.25 63.69
5,557.55 12/07/00 64.78 63.22
5,557.66 01/14/01 64.67 63.11
5,557.78 02/09/01 64.55 62.99
5,558.28 03/29/01 64.05 62.49
5,558.23 04/30/01 64.10 62.54
5,558.31 05/31/01 64.02 62.46
5,558.49 06/22/01 63.84 62.28
5,558.66 07/10/01 63.67 62.11
5,559.01 08/20/01 63.32 61.76
5,559.24 09/19/01 63.09 61.53
5,559.26 10/02/01 63.07 61.51
5,559.27 11/08/01 63.06 61.50
5,559.77 12/03/01 62.56 61.00
5,559.78 01/03/02 62.55 60.99
5,559.96 02/06/02 62.37 60.81
5,560.16 03/26/02 62.17 60.61
5,560.28 04/09/02 62.05 60.49
5,560.76 05/23/02 61.57 60.01
5,560.58 06/05/02 61.75 60.19
5,560.43 07/08/02 61.90 60.34
5,560.44 08/23/02 61.89 60.33
5,560.71 09/11/02 61.62 60.06
5,560.89 10/23/02 61.44 59.88
5,557.86 11/22/02 64.47 62.91
5,561.10 12/03/02 61.23 59.67
5,561.39 01/09/03 60.94 59.38
5,561.41 02/12/03 60.92 59.36
5,561.93 03/26/03 60.40 58.84
5,561.85 04/02/03 60.48 58.92
5,536.62 05/01/03 85.71 84.15
5,528.56 06/09/03 93.77 92.21
5,535.28 07/07/03 87.05 85.49
5,534.44 08/04/03 87.89 86.33
5,537.10 09/11/03 85.23 83.67
5,539.96 10/02/03 82.37 80.81
5,535.91 11/07/03 86.42 84.86
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,620.77 5,622.33 1.56 123.6
Water Levels and Data over Time
White Mesa Mill - Well MW4
5,550.70 12/03/03 71.63 70.07
5,557.58 01/15/04 64.75 63.19
5,558.80 02/10/04 63.53 61.97
5,560.08 03/28/04 62.25 60.69
5,560.55 04/12/04 61.78 60.22
5,561.06 05/13/04 61.27 59.71
5,561.48 06/18/04 60.85 59.29
5,561.86 07/28/04 60.47 58.91
5,529.17 08/30/04 93.16 91.60
5,536.55 09/16/04 85.78 84.22
5,529.00 10/11/04 93.33 91.77
5,541.55 11/16/04 80.78 79.22
5,541.12 12/22/04 81.21 79.65
5,540.59 01/18/05 81.74 80.18
5,542.85 02/28/05 79.48 77.92
5,537.91 03/15/05 84.42 82.86
5,548.67 04/26/05 73.66 72.10
5,549.53 05/24/05 72.80 71.24
5,544.36 06/30/05 77.97 76.41
5,545.16 07/29/05 77.17 75.61
5,544.67 09/12/05 77.66 76.10
5,541.28 09/27/05 81.05 79.49
5,536.96 12/07/05 85.37 83.81
5,546.49 03/08/06 75.84 74.28
5,546.15 06/13/06 76.18 74.62
5,545.15 07/18/06 77.18 75.62
5,545.91 11/17/06 76.42 74.86
5,545.90 02/27/07 76.43 74.87
5,548.16 05/02/07 74.17 72.61
5,547.20 08/13/07 75.13 73.57
5,547.20 10/10/07 75.13 73.57
5,547.79 03/26/08 74.54 72.98
5,545.09 06/25/08 77.24 75.68
5,550.36 08/26/08 71.97 70.41
5,550.39 10/14/08 71.94 70.38
5,542.25 03/03/09 80.08 78.52
5,542.25 06/24/09 80.08 78.52
5,550.19 09/10/09 72.14 70.58
5,550.94 12/11/09 71.39 69.83
5,546.08 03/11/10 76.25 74.69
5,550.98 05/11/10 71.35 69.79
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,620.51 5,622.31 1.80 121.33
5,560.53 8/23/02 61.78 59.98
5,560.76 9/11/02 61.55 59.75
5,560.96 10/23/02 61.35 59.55
5,561.00 11/22/02 61.31 59.51
5,561.19 12/3/02 61.12 59.32
5,561.46 1/9/03 60.85 59.05
5,561.48 2/12/03 60.83 59.03
5,561.96 3/26/03 60.35 58.55
5,561.94 4/2/03 60.37 58.57
5,536.88 5/1/03 85.43 83.63
5,529.35 6/9/03 92.96 91.16
5,535.54 7/7/03 86.77 84.97
5,534.74 8/4/03 87.57 85.77
5,536.74 9/11/03 85.57 83.77
5,540.24 10/2/03 82.07 80.27
5,536.13 11/7/03 86.18 84.38
5,550.77 12/3/03 71.54 69.74
5,557.67 1/15/04 64.64 62.84
5,558.87 2/10/04 63.44 61.64
5,560.16 3/28/04 62.15 60.35
5,560.63 4/12/04 61.68 59.88
5,561.14 5/13/04 61.17 59.37
5,561.56 6/18/04 60.75 58.95
5,561.95 7/28/04 60.36 58.56
5,529.25 8/30/04 93.06 91.26
5,536.63 9/16/04 85.68 83.88
5,529.08 10/11/04 93.23 91.43
5,541.63 11/16/04 80.68 78.88
5,541.20 12/22/04 81.11 79.31
5,540.67 1/18/05 81.64 79.84
5,543.45 2/28/05 78.86 77.06
5,537.99 3/15/05 84.32 82.52
5,549.27 4/26/05 73.04 71.24
5,545.08 5/24/05 77.23 75.43
5,544.94 6/30/05 77.37 75.57
5,544.71 7/29/05 77.60 75.80
5,545.23 9/12/05 77.08 75.28
5,545.00 9/27/05 77.31 75.51
5,537.45 12/7/05 84.86 83.06
5,546.86 3/8/06 75.45 73.65
5,546.66 6/13/06 75.65 73.85
5,545.63 7/18/06 76.68 74.88
5,546.18 11/7/06 76.13 74.33
Water Levels and Data over Time
White Mesa Mill - Well MW-4A
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,620.51 5,622.31 1.80 121.33
Water Levels and Data over Time
White Mesa Mill - Well MW-4A
5,545.30 2/27/07 77.01 75.21
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
z 5,620.77 5,622.33 1.02 111.04
5,540.98 11/08/99 81.35 80.33
5,541.13 11/09/99 81.20 80.18
5,541.23 01/02/00 81.10 80.08
5,541.23 01/10/00 81.10 80.08
5,540.98 01/17/00 81.35 80.33
5,541.03 01/24/00 81.30 80.28
5,541.03 02/01/00 81.30 80.28
5,540.93 02/07/00 81.40 80.38
5,541.23 02/14/00 81.10 80.08
5,541.23 02/23/00 81.10 80.08
5,541.33 03/01/00 81.00 79.98
5,541.43 03/08/00 80.90 79.88
5,541.73 03/15/00 80.60 79.58
5,541.43 03/20/00 80.90 79.88
5,541.43 03/29/00 80.90 79.88
5,541.18 04/04/00 81.15 80.13
5,540.93 04/13/00 81.40 80.38
5,541.23 04/21/00 81.10 80.08
5,541.43 04/28/00 80.90 79.88
5,541.33 05/01/00 81.00 79.98
5,541.63 05/11/00 80.70 79.68
5,541.33 05/15/00 81.00 79.98
5,541.63 05/25/00 80.70 79.68
5,541.63 06/09/00 80.70 79.68
5,541.65 06/16/00 80.68 79.66
5,541.63 06/26/00 80.70 79.68
5,541.85 07/06/00 80.48 79.46
5,541.79 07/13/00 80.54 79.52
5,541.91 07/18/00 80.42 79.40
5,542.17 07/27/00 80.16 79.14
5,542.31 08/02/00 80.02 79.00
5,542.43 08/09/00 79.90 78.88
5,542.41 08/15/00 79.92 78.90
5,542.08 08/31/00 80.25 79.23
5,542.93 09/01/00 79.40 78.38
5,542.87 09/08/00 79.46 78.44
5,543.09 09/13/00 79.24 78.22
5,543.25 09/20/00 79.08 78.06
5,543.44 10/05/00 78.89 77.87
5,544.08 11/09/00 78.25 77.23
5,544.49 12/06/00 77.84 76.82
5,546.14 01/14/01 76.19 75.17
5,547.44 02/02/01 74.89 73.87
Water Levels and Data over Time
White Mesa Mill - Well TW4-1
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
z 5,620.77 5,622.33 1.02 111.04
Water Levels and Data over Time
White Mesa Mill - Well TW4-1
5,548.71 03/29/01 73.62 72.60
5,549.20 04/30/01 73.13 72.11
5,549.64 05/31/01 72.69 71.67
5,549.94 06/22/01 72.39 71.37
5,550.25 07/10/01 72.08 71.06
5,550.93 08/10/01 71.40 70.38
5,551.34 09/19/01 70.99 69.97
5,551.59 10/02/01 70.74 69.72
5,549.64 05/31/01 72.69 71.67
5,549.94 06/21/01 72.39 71.37
5,550.25 07/10/01 72.08 71.06
5,550.93 08/20/01 71.40 70.38
5,551.34 09/19/01 70.99 69.97
5,551.59 10/02/01 70.74 69.72
5,551.87 11/08/01 70.46 69.44
5,552.40 12/03/01 69.93 68.91
5,552.62 01/03/02 69.71 68.69
5,553.12 02/06/02 69.21 68.19
5,553.75 03/26/02 68.58 67.56
5,553.97 04/09/02 68.36 67.34
5,554.56 05/23/02 67.77 66.75
5,554.54 06/05/02 67.79 66.77
5,554.83 07/08/02 67.50 66.48
5,555.29 08/23/02 67.04 66.02
5,555.54 09/11/02 66.79 65.77
5,555.94 10/23/02 66.39 65.37
5,556.02 11/22/02 66.31 65.29
5,556.23 12/03/02 66.10 65.08
5,556.49 01/09/03 65.84 64.82
5,556.67 02/12/03 65.66 64.64
5,557.15 03/26/03 65.18 64.16
5,557.23 04/02/03 65.10 64.08
5,556.07 05/01/03 66.26 65.24
5,554.28 06/09/03 68.05 67.03
5,553.84 07/07/03 68.49 67.47
5,553.39 08/04/03 68.94 67.92
5,553.06 09/11/03 69.27 68.25
5,553.33 10/02/03 69.00 67.98
5,553.25 11/07/03 69.08 68.06
5,553.82 12/03/03 68.51 67.49
5,555.61 01/15/04 66.72 65.70
5,556.32 02/10/04 66.01 64.99
5,557.38 03/28/04 64.95 63.93
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
z 5,620.77 5,622.33 1.02 111.04
Water Levels and Data over Time
White Mesa Mill - Well TW4-1
5,557.79 04/12/04 64.54 63.52
5,558.35 05/13/04 63.98 62.96
5,560.03 06/18/04 62.30 61.28
5,560.36 07/28/04 61.97 60.95
5,557.96 08/30/04 64.37 63.35
5,557.24 09/16/04 65.09 64.07
5,556.28 10/11/04 66.05 65.03
5,556.17 11/16/04 66.16 65.14
5,556.21 12/22/04 66.12 65.10
5,555.82 01/18/05 66.51 65.49
5,555.96 02/28/05 66.37 65.35
5,556.01 03/15/05 66.32 65.30
5,556.05 04/26/05 66.28 65.26
5,556.00 05/24/05 66.33 65.31
5,555.97 06/30/05 66.36 65.34
5,555.90 07/29/05 66.43 65.41
5,556.22 09/12/05 66.11 65.09
5,556.25 12/07/05 66.08 65.06
5,556.71 03/08/06 65.62 64.60
5,556.98 06/14/06 65.35 64.33
5,560.95 07/18/06 61.38 60.36
5,557.07 11/07/06 65.26 64.24
5,558.10 02/27/07 64.23 63.21
5,557.82 05/02/07 64.51 63.49
5,557.82 08/14/07 64.51 63.49
5,557.63 10/10/07 64.70 63.68
5,559.48 03/26/08 62.85 61.83
5,560.35 06/24/08 61.98 60.96
5,560.58 08/26/08 61.75 60.73
5,560.62 10/14/08 61.71 60.69
5,560.65 03/10/09 61.68 60.66
5,560.66 06/24/09 61.67 60.65
5,560.36 09/10/09 61.97 60.95
5,560.53 12/11/09 61.8 60.78
5,560.50 03/11/10 61.83 60.81
5,559.94 05/11/10 62.39 61.37
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,623.10 5,625.00 1.90 121.125
5,548.85 11/08/99 76.15 74.25
5,548.85 11/09/99 76.15 74.25
5,548.60 01/02/00 76.40 74.50
5,548.80 01/10/00 76.20 74.30
5,548.60 01/17/00 76.40 74.50
5,549.00 01/24/00 76.00 74.10
5,548.90 02/01/00 76.10 74.20
5,548.90 02/07/00 76.10 74.20
5,549.30 02/14/00 75.70 73.80
5,549.40 02/23/00 75.60 73.70
5,549.50 03/01/00 75.50 73.60
5,549.60 03/08/00 75.40 73.50
5,549.50 03/15/00 75.50 73.60
5,550.20 03/20/00 74.80 72.90
5,550.00 03/29/00 75.00 73.10
5,549.70 04/04/00 75.30 73.40
5,549.80 04/13/00 75.20 73.30
5,550.00 04/21/00 75.00 73.10
5,550.10 04/28/00 74.90 73.00
5,550.10 05/01/00 74.90 73.00
5,550.40 05/11/00 74.60 72.70
5,550.10 05/15/00 74.90 73.00
5,550.40 05/25/00 74.60 72.70
5,550.40 06/09/00 74.60 72.70
5,550.50 06/16/00 74.50 72.60
5,550.35 06/26/00 74.65 72.75
5,550.45 07/06/00 74.55 72.65
5,550.45 07/13/00 74.55 72.65
5,550.46 07/18/00 74.54 72.64
5,550.61 07/27/00 74.39 72.49
5,550.66 08/02/00 74.34 72.44
5,550.68 08/09/00 74.32 72.42
5,550.70 08/15/00 74.30 72.40
5,550.82 08/31/00 74.18 72.28
5,551.15 09/08/00 73.85 71.95
5,551.25 09/13/00 73.75 71.85
5,551.32 09/20/00 73.68 71.78
5,546.11 10/05/00 78.89 76.99
5,546.75 11/09/00 78.25 76.35
5,547.16 12/06/00 77.84 75.94
5,552.46 01/26/01 72.54 70.64
5,552.48 02/02/01 72.52 70.62
5,551.38 03/29/01 73.62 71.72
Water Levels and Data over Time
White Mesa Mill - Well TW4-2
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,623.10 5,625.00 1.90 121.125
Water Levels and Data over Time
White Mesa Mill - Well TW4-2
5,551.87 04/30/01 73.13 71.23
5,552.31 05/31/01 72.69 70.79
5,552.61 06/21/01 72.39 70.49
5,552.92 07/10/01 72.08 70.18
5,553.60 08/20/01 71.40 69.50
5,554.01 09/19/01 70.99 69.09
5,554.26 10/02/01 70.74 68.84
5,554.42 11/08/01 70.58 68.68
5,555.07 12/03/01 69.93 68.03
5,555.02 01/03/02 69.98 68.08
5,555.19 02/06/02 69.81 67.91
5,555.43 03/26/02 69.57 67.67
5,555.67 04/09/02 69.33 67.43
5,556.01 05/23/02 68.99 67.09
5,556.07 06/05/02 68.93 67.03
5,556.19 07/08/02 68.81 66.91
5,556.32 08/23/02 68.68 66.78
5,556.53 09/11/02 68.47 66.57
5,557.00 10/23/02 68.00 66.10
5,556.70 11/22/02 68.30 66.40
5,557.29 12/03/02 67.71 65.81
5,557.48 01/09/03 67.52 65.62
5,557.63 02/12/03 67.37 65.47
5,558.11 03/26/03 66.89 64.99
5,558.15 04/02/03 66.85 64.95
5,553.99 05/01/03 71.01 69.11
5,549.26 06/09/03 75.74 73.84
5,548.42 07/07/03 76.58 74.68
5,548.03 08/04/03 76.97 75.07
5,547.50 09/11/03 77.50 75.60
5,547.96 10/02/03 77.04 75.14
5,547.80 11/07/03 77.20 75.30
5,548.57 12/03/03 76.43 74.53
5,554.28 01/15/04 70.72 68.82
5,555.74 02/10/04 69.26 67.36
5,557.18 03/28/04 67.82 65.92
5,557.77 04/12/04 67.23 65.33
5,558.35 05/13/04 66.65 64.75
5,558.47 06/18/04 66.53 64.63
5,559.28 07/28/04 65.72 63.82
5,554.54 08/30/04 70.46 68.56
5,552.25 09/16/04 72.75 70.85
5,549.93 10/11/04 75.07 73.17
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,623.10 5,625.00 1.90 121.125
Water Levels and Data over Time
White Mesa Mill - Well TW4-2
5,550.17 11/16/04 74.83 72.93
5,550.65 12/22/04 74.35 72.45
5,550.23 01/18/05 74.77 72.87
5,550.37 02/28/05 74.63 72.73
5,550.41 03/15/05 74.59 72.69
5,550.46 04/26/05 74.54 72.64
5,550.60 05/24/05 74.40 72.50
5,550.49 06/30/05 74.51 72.61
5,550.39 07/29/05 74.61 72.71
5,550.61 09/12/05 74.39 72.49
5,550.57 12/07/05 74.43 72.53
5,551.58 03/08/06 73.42 71.52
5,551.70 06/14/06 73.3 71.40
5,550.80 07/18/06 74.20 72.30
5550.80 11/07/06 74.20 72.30
5553.17 02/27/07 71.83 69.93
5,552.34 05/02/07 72.66 70.76
5,552.30 08/14/07 72.7 70.80
5,552.48 10/10/07 72.52 70.62
5,554.86 03/26/08 70.14 68.24
5,555.51 06/24/08 69.49 67.59
5,555.57 08/26/08 69.43 67.53
5,555.71 10/14/08 69.29 67.39
5,556.01 03/10/09 68.99 67.09
5,556.53 06/24/09 68.47 66.57
5,556.22 09/10/09 68.78 66.88
5,556.81 12/11/09 68.19 66.29
5,558.15 03/11/10 66.85 64.95
5,557.91 05/11/10 67.09 65.19
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD) Total Depth Of Well
5,631.21 5,632.23 1.02 141
5,565.78 11/29/99 66.45 65.43
5,566.93 01/02/00 65.30 64.28
5,567.03 01/10/00 65.20 64.18
5,566.83 01/17/00 65.40 64.38
5,567.13 01/24/00 65.10 64.08
5,567.33 02/01/00 64.90 63.88
5,567.13 02/07/00 65.10 64.08
5,567.43 02/14/00 64.80 63.78
5,567.63 02/23/00 64.60 63.58
5,567.73 03/01/00 64.50 63.48
5,567.83 03/08/00 64.40 63.38
5,567.70 03/15/00 64.53 63.51
5,568.03 03/20/00 64.20 63.18
5,567.93 03/29/00 64.30 63.28
5,567.63 04/04/00 64.60 63.58
5,567.83 04/13/00 64.40 63.38
5,568.03 04/21/00 64.20 63.18
5,568.23 04/28/00 64.00 62.98
5,568.13 05/01/00 64.10 63.08
5,568.53 05/11/00 63.70 62.68
5,568.23 05/15/00 64.00 62.98
5 568 53 05/25/00 63 70 62 68
Water Levels and Data over Time
White Mesa Mill - Well TW4-3
5,568.53 05/25/00 63.70 62.68
5,568.61 06/09/00 63.62 62.60
5,568.69 06/16/00 63.54 62.52
5,568.45 06/26/00 63.78 62.76
5,568.61 07/06/00 63.62 62.60
5,568.61 07/06/00 63.62 62.60
5,568.49 07/13/00 63.74 62.72
5,568.55 07/18/00 63.68 62.66
5,568.65 07/27/00 63.58 62.56
5,568.73 08/02/00 63.50 62.48
5,568.77 08/09/00 63.46 62.44
5,568.76 08/16/00 63.47 62.45
5,568.95 08/31/00 63.28 62.26
5,568.49 09/08/00 63.74 62.72
5,568.67 09/13/00 63.56 62.54
5,568.96 09/20/00 63.27 62.25
5,568.93 10/05/00 63.3 62.28
5,569.34 11/09/00 62.89 61.87
5,568.79 12/06/00 63.44 62.42
5,569.11 01/03/01 63.12 62.10
5,569.75 02/09/01 62.48 61.46
5,570.34 03/28/01 61.89 60.87
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD) Total Depth Of Well
5,631.21 5,632.23 1.02 141
Water Levels and Data over Time
White Mesa Mill - Well TW4-3
5,570.61 04/30/01 61.62 60.60
5,570.70 05/31/01 61.53 60.51
5,570.88 06/21/01 61.35 60.33
5,571.02 07/10/01 61.21 60.19
5,571.70 08/20/01 60.53 59.51
5,572.12 09/19/01 60.11 59.09
5,572.08 10/02/01 60.15 59.13
5,570.70 05/31/01 61.53 60.51
5,570.88 06/21/01 61.35 60.33
5,571.02 07/10/01 61.21 60.19
5,571.70 08/20/01 60.53 59.51
5,572.12 09/19/01 60.11 59.09
5,572.08 10/02/01 60.15 59.13
5,572.78 11/08/01 59.45 58.43
5,573.27 12/03/01 58.96 57.94
5,573.47 01/03/02 58.76 57.74
5,573.93 02/06/02 58.30 57.28
5,574.75 03/26/02 57.48 56.46
5,574.26 04/09/02 57.97 56.95
5,575.39 05/23/02 56.84 55.82
5,574.84 06/05/02 57.39 56.37
5 575 33 07/08/02 56 90 55 885,575.33 07/08/02 56.90 55.88
5,575.79 08/23/02 56.44 55.42
5,576.08 09/11/02 56.15 55.13
5,576.30 10/23/02 55.93 54.91
5,576.35 11/22/02 55.88 54.86
5,576.54 12/03/02 55.69 54.67
5,576.96 01/09/03 55.27 54.25
5,577.11 02/12/03 55.12 54.10
5,577.61 03/26/03 54.62 53.60
5,572.80 04/02/03 59.43 58.41
5,577.89 05/01/03 54.34 53.32
5,577.91 06/09/03 54.32 53.30
5,577.53 07/07/03 54.70 53.68
5,577.50 08/04/03 54.73 53.71
5,577.71 09/11/03 54.52 53.50
5,577.31 10/02/03 54.92 53.90
5,577.33 11/07/03 54.90 53.88
5,577.34 12/03/03 54.89 53.87
5,578.24 01/15/04 53.99 52.97
5,578.38 02/10/04 53.85 52.83
5,578.69 03/28/04 53.54 52.52
5,579.15 04/12/04 53.08 52.06
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD) Total Depth Of Well
5,631.21 5,632.23 1.02 141
Water Levels and Data over Time
White Mesa Mill - Well TW4-3
5,579.47 05/13/04 52.76 51.74
5,579.53 06/18/04 52.70 51.68
5,580.17 07/28/04 52.06 51.04
5,580.20 08/30/04 52.03 51.01
5,580.26 09/16/04 51.97 50.95
5,580.12 10/11/04 52.11 51.09
5,579.93 11/16/04 52.30 51.28
5,580.07 12/22/04 52.16 51.14
5,579.80 01/18/05 52.43 51.41
5,580.35 02/28/05 51.88 50.86
5,580.57 03/15/05 51.66 50.64
5,580.86 04/26/05 51.37 50.35
5,581.20 05/24/05 51.03 50.01
5,581.51 06/30/05 50.72 49.70
5,581.55 07/29/05 50.68 49.66
5,581.68 09/12/05 50.55 49.53
5,581.83 12/07/05 50.4 49.38
5,564.92 03/08/06 67.31 66.29
5,582.73 06/13/06 49.50 48.48
5,582.33 07/18/06 49.90 48.88
5,582.75 11/07/06 49.48 48.46
5583 35 02/27/07 48 88 47 865583.35 02/27/07 48.88 47.86
5,559.57 05/02/07 72.66 71.64
5,583.29 08/14/07 48.94 47.92
5,583.49 10/10/07 48.74 47.72
5,584.95 03/26/08 47.28 46.26
5,584.59 06/24/08 47.64 46.62
5,584.55 08/26/08 47.68 46.66
5,584.03 10/14/08 48.2 47.18
5,583.64 03/03/09 48.59 47.57
5,587.34 06/24/09 44.89 43.87
5,582.90 09/10/09 49.33 48.31
5,583.27 12/11/09 48.96 47.94
5,583.63 03/11/10 48.6 47.58
5,583.82 05/11/10 48.41 47.39
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,612.301 5,613.485 1.184 114.5
5,512.145 05/25/00 101.34 100.16
5,518.985 06/09/00 94.50 93.32
5,512.145 06/16/00 101.34 100.16
5,517.465 06/26/00 96.02 94.84
5,520.145 07/06/00 93.34 92.16
5,521.435 07/13/00 92.05 90.87
5,522.005 07/18/00 91.48 90.30
5,522.945 07/27/00 90.54 89.36
5,523.485 08/02/00 90.00 88.82
5,523.845 08/09/00 89.64 88.46
5,523.885 08/15/00 89.60 88.42
5,524.555 09/01/00 88.93 87.75
5,513.235 09/08/00 100.25 99.07
5,516.665 09/13/00 96.82 95.64
5,519.085 09/20/00 94.40 93.22
5,522.165 10/05/00 91.32 90.14
5,524.665 11/09/00 88.82 87.64
5,518.545 12/06/00 94.94 93.76
5,527.695 01/03/01 85.79 84.61
5,529.085 02/09/01 84.40 83.22
5,529.535 03/27/01 83.95 82.77
5,530.235 04/30/01 83.25 82.07
5,530.265 05/31/01 83.22 82.04
5,534.405 06/22/01 79.08 77.90
5,533.145 07/10/01 80.34 79.16
5,534.035 08/20/01 79.45 78.27
5,534.465 09/19/01 79.02 77.84
5,533.285 10/02/01 80.20 79.02
5,530.265 05/31/01 83.22 82.04
5,534.405 06/21/01 79.08 77.90
5,533.145 07/10/01 80.34 79.16
5,534.035 08/20/01 79.45 78.27
5,534.465 09/19/01 79.02 77.84
5,533.285 10/02/01 80.20 79.02
5,533.865 11/08/01 79.62 78.44
5,534.275 12/03/01 79.21 78.03
5,534.715 01/03/02 78.77 77.59
5,535.435 02/06/02 78.05 76.87
5,536.445 03/26/02 77.04 75.86
5,536.405 04/09/02 77.08 75.90
5,537.335 05/23/02 76.15 74.97
5,537.325 06/05/02 76.16 74.98
5,537.975 07/08/02 75.51 74.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-4
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,612.301 5,613.485 1.184 114.5
Water Levels and Data over Time
White Mesa Mill - Well TW4-4
5,538.825 08/23/02 74.66 73.48
5,539.275 09/11/02 74.21 73.03
5,539.765 10/23/02 73.72 72.54
5,540.205 11/22/02 73.28 72.10
5,540.295 12/03/02 73.19 72.01
5,540.795 01/09/03 72.69 71.51
5,540.985 02/12/03 72.50 71.32
5,541.675 03/26/03 71.81 70.63
5,541.765 04/02/03 71.72 70.54
5,541.885 05/01/03 71.60 70.42
5,542.025 06/09/03 71.46 70.28
5,541.925 07/07/03 71.56 70.38
5,541.885 08/04/03 71.60 70.42
5,541.825 09/11/03 71.66 70.48
5,541.885 10/02/03 71.60 70.42
5,541.995 11/07/03 71.49 70.31
5,542.005 12/03/03 71.48 70.30
5,542.555 01/15/04 70.93 69.75
5,542.705 02/10/04 70.78 69.60
5,543.225 03/28/04 70.26 69.08
5,543.555 04/12/04 69.93 68.75
5,543.865 05/13/04 69.62 68.44
5,543.915 06/18/04 69.57 68.39
5,544.655 07/28/04 68.83 67.65
5,544.795 08/30/04 68.69 67.51
5,544.845 09/16/04 68.64 67.46
5,544.705 10/11/04 68.78 67.60
5,544.525 11/16/04 68.96 67.78
5,544.625 12/22/04 68.86 67.68
5,544.305 01/18/05 69.18 68.00
5,544.585 02/28/05 68.90 67.72
5,544.685 03/15/05 68.80 67.62
5,544.675 04/26/05 68.81 67.63
5,544.785 05/24/05 68.70 67.52
5,544.795 06/30/05 68.69 67.51
5,544.775 07/29/05 68.71 67.53
5,545.005 09/12/05 68.48 67.30
5,545.225 12/07/05 68.26 67.08
5,545.735 03/08/06 67.75 66.57
5,545.785 06/14/06 67.70 66.52
5,545.855 07/18/06 67.63 66.45
5,545.805 11/07/06 67.68 66.50
5546.675 02/27/07 66.81 65.63
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,612.301 5,613.485 1.184 114.5
Water Levels and Data over Time
White Mesa Mill - Well TW4-4
5,546.535 05/02/07 66.95 65.77
5,547.155 08/15/07 66.33 65.15
5,547.215 10/10/07 66.27 65.09
5,548.305 03/26/08 65.18 64.00
5,548.865 06/24/08 64.62 63.44
5,549.235 08/26/08 64.25 63.07
5,549.305 10/14/08 64.18 63.00
5,549.725 03/03/09 63.76 62.58
5,549.905 06/24/09 63.58 62.40
5,549.695 09/10/09 63.79 62.61
5,549.865 12/11/09 63.62 62.44
5,545.60 03/11/10 67.89 66.71
5,530.88 05/11/10 82.61 81.43
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,638.75 5,640.70 1.95 121.75
5,579.30 01/02/00 61.40 59.45
5,579.60 01/10/00 61.10 59.15
5,579.35 01/17/00 61.35 59.40
5,579.60 01/24/00 61.10 59.15
5,579.50 02/01/00 61.20 59.25
5,579.50 02/07/00 61.20 59.25
5,579.90 02/14/00 60.80 58.85
5,579.90 02/23/00 60.80 58.85
5,580.20 03/01/00 60.50 58.55
5,580.00 03/08/00 60.70 58.75
5,580.04 03/15/00 60.66 58.71
5,580.70 03/20/00 60.00 58.05
5,580.30 03/29/00 60.40 58.45
5,580.00 04/04/00 60.70 58.75
5,580.20 04/13/00 60.50 58.55
5,580.40 04/21/00 60.30 58.35
5,580.50 04/28/00 60.20 58.25
5,580.50 05/01/00 60.20 58.25
5,580.90 05/11/00 59.80 57.85
5,580.50 05/15/00 60.20 58.25
5,580.75 05/25/00 59.95 58.00
5 580 80 06/09/00 59 90 57 95
Water Levels and Data over Time
White Mesa Mill - Well TW4-5
5,580.80 06/09/00 59.90 57.95
5,580.92 06/16/00 59.78 57.83
5,580.80 06/26/00 59.90 57.95
5,580.90 07/06/00 59.80 57.85
5,581.05 07/13/00 59.65 57.70
5,580.90 07/18/00 59.80 57.85
5,581.05 07/27/00 59.65 57.70
5,581.06 08/02/00 59.64 57.69
5,581.08 08/09/00 59.62 57.67
5,581.07 08/16/00 59.63 57.68
5,581.25 08/31/00 59.45 57.50
5,581.32 09/08/00 59.38 57.43
5,581.34 09/13/00 59.36 57.41
5,581.41 09/20/00 59.29 57.34
5,581.37 10/05/00 59.33 57.38
5,581.66 11/09/00 59.04 57.09
5,581.63 12/06/00 59.07 57.12
5,581.92 01/03/01 58.78 56.83
5,582.20 02/09/01 58.50 56.55
5,582.54 03/28/01 58.16 56.21
5,582.72 04/30/01 57.98 56.03
5,582.72 05/31/01 57.98 56.03
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,638.75 5,640.70 1.95 121.75
Water Levels and Data over Time
White Mesa Mill - Well TW4-5
5,582.81 06/22/01 57.89 55.94
5,582.92 07/10/01 57.78 55.83
5,583.17 08/20/01 57.53 55.58
5,583.28 09/19/01 57.42 55.47
5,583.36 10/02/01 57.34 55.39
5,582.72 05/31/01 57.98 56.03
5,582.81 06/21/01 57.89 55.94
5,582.92 07/10/01 57.78 55.83
5,583.17 08/20/01 57.53 55.58
5,583.28 09/19/01 57.42 55.47
5,583.36 10/02/01 57.34 55.39
5,583.49 11/08/01 57.21 55.26
5,583.84 12/03/01 56.86 54.91
5,583.79 01/03/02 56.91 54.96
5,583.96 02/06/02 56.74 54.79
5,584.39 03/26/02 56.31 54.36
5,584.12 04/09/02 56.58 54.63
5,584.55 05/23/02 56.15 54.20
5,584.42 06/05/02 56.28 54.33
5,583.65 07/08/02 57.05 55.10
5,584.90 08/23/02 55.80 53.85
5 585 02 09/11/02 55 68 53 735,585.02 09/11/02 55.68 53.73
5,585.20 10/23/02 55.50 53.55
5,585.15 11/22/02 55.55 53.60
5,585.42 12/03/02 55.28 53.33
5,585.65 01/09/03 55.05 53.10
5,585.65 02/12/03 55.05 53.10
5,585.92 03/26/03 54.78 52.83
5,586.22 04/02/03 54.48 52.53
5,586.01 05/01/03 54.69 52.74
5,584.81 06/09/03 55.89 53.94
5,584.34 07/07/03 56.36 54.41
5,584.40 08/04/03 56.30 54.35
5,583.88 09/11/03 56.82 54.87
5,583.57 10/02/03 57.13 55.18
5,583.39 11/07/03 57.31 55.36
5,583.97 12/03/03 56.73 54.78
5,585.28 01/15/04 55.42 53.47
5,585.50 02/10/04 55.20 53.25
5,585.87 03/28/04 54.83 52.88
5,586.20 04/12/04 54.50 52.55
5,586.45 05/13/04 54.25 52.30
5,586.50 06/18/04 54.20 52.25
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,638.75 5,640.70 1.95 121.75
Water Levels and Data over Time
White Mesa Mill - Well TW4-5
5,587.13 07/28/04 53.57 51.62
5,586.22 08/30/04 54.48 52.53
5,585.69 09/16/04 55.01 53.06
5,585.17 10/11/04 55.53 53.58
5,584.64 11/16/04 56.06 54.11
5,584.77 12/22/04 55.93 53.98
5,584.65 01/18/05 56.05 54.10
5,584.98 02/28/05 55.72 53.77
5,585.15 03/15/05 55.55 53.60
5,586.25 04/26/05 54.45 52.50
5,586.79 05/24/05 53.91 51.96
5,586.52 06/30/05 54.18 52.23
5,586.03 07/29/05 54.67 52.72
5,586.05 09/12/05 54.65 52.70
5,585.80 12/07/05 54.90 52.95
5,587.06 03/08/06 53.64 51.69
5,585.90 06/13/06 54.80 52.85
5,585.32 07/18/06 55.38 53.43
5,585.35 11/07/06 55.35 53.40
5585.81 02/27/07 54.89 52.94
5,585.20 05/02/07 55.50 53.55
5 586 66 08/14/07 54 04 52 095,586.66 08/14/0754.04 52.09
5,586.80 10/10/07 53.90 51.95
5,588.48 03/26/08 52.22 50.27
5,586.51 06/24/08 54.19 52.24
5,586.45 08/26/08 54.25 52.30
5,585.40 10/14/08 55.3 53.35
5,584.80 03/03/09 55.9 53.95
5,584.73 06/24/09 55.97 54.02
5,584.36 09/10/09 56.34 54.39
5,585.02 12/11/09 55.68 53.73
5,585.66 03/11/10 55.04 53.09
5,584.86 05/11/10 55.84 53.89
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
(blw.LSD)
5,607.33 5,608.78 1.450 98.55
5,522.28 05/25/00 86.50 85.05
5,521.51 06/09/00 87.27 85.82
5,522.35 06/16/00 86.43 84.98
5,522.14 06/26/00 86.64 85.19
5,522.25 07/06/00 86.53 85.08
5,522.13 07/13/00 86.65 85.20
5,522.17 07/18/00 86.61 85.16
5,522.26 07/25/00 86.52 85.07
5,522.31 08/02/00 86.47 85.02
5,522.33 08/09/00 86.45 85.00
5,522.35 08/15/00 86.43 84.98
5,522.40 08/31/00 86.38 84.93
5,522.40 09/08/00 86.38 84.93
5,522.45 09/13/00 86.33 84.88
5,522.53 09/20/00 86.25 84.80
5,522.39 10/05/00 86.39 84.94
5,522.42 11/09/00 86.36 84.91
5,522.29 12/06/00 86.49 85.04
5,522.63 01/03/01 86.15 84.70
5,522.72 02/09/01 86.06 84.61
5,522.90 03/26/01 85.88 84.43
5,522.70 04/30/01 86.08 84.63
5,522.89 05/31/01 85.89 84.44
5,522.88 06/20/01 85.90 84.45
5,522.96 07/10/01 85.82 84.37
5,523.10 08/20/01 85.68 84.23
5,523.23 09/19/01 85.55 84.10
5,523.21 10/02/01 85.57 84.12
5,522.89 05/31/01 85.89 84.44
5,522.88 06/21/01 85.90 84.45
5,522.96 07/10/01 85.82 84.37
5,523.10 08/20/01 85.68 84.23
5,523.23 09/19/01 85.55 84.10
5,523.21 10/02/01 85.57 84.12
5,523.25 11/08/01 85.53 84.08
5,523.46 12/03/01 85.32 83.87
5,523.36 01/03/02 85.42 83.97
5,523.50 02/06/02 85.28 83.83
5,523.94 03/26/02 84.84 83.39
5,523.75 04/09/02 85.03 83.58
5,524.23 05/23/02 84.55 83.10
5,523.98 06/05/02 84.80 83.35
5,524.31 07/08/02 84.47 83.02
Water Levels and Data over Time
White Mesa Mill - Well TW4-6
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
(blw.LSD)
5,607.33 5,608.78 1.450 98.55
Water Levels and Data over Time
White Mesa Mill - Well TW4-6
5,524.36 08/23/02 84.42 82.97
5,524.49 09/11/02 84.29 82.84
5,524.71 10/23/02 84.07 82.62
5,524.60 11/22/02 84.18 82.73
5,524.94 12/03/02 83.84 82.39
5,525.10 01/09/03 83.68 82.23
5,525.15 02/12/03 83.63 82.18
5,525.35 03/26/03 83.43 81.98
5,525.68 04/02/03 83.10 81.65
5,525.74 05/01/03 83.04 81.59
5,525.98 06/09/03 82.80 81.35
5,526.04 07/07/03 82.74 81.29
5,526.07 08/04/03 82.71 81.26
5,526.42 09/11/03 82.36 80.91
5,526.30 10/02/03 82.48 81.03
5,526.41 11/07/03 82.37 80.92
5,526.46 12/03/03 82.32 80.87
5,526.83 01/15/04 81.95 80.50
5,526.81 02/10/04 81.97 80.52
5,527.14 03/28/04 81.64 80.19
5,527.39 04/12/04 81.39 79.94
5,527.64 05/13/04 81.14 79.69
5,527.70 06/18/04 81.08 79.63
5,528.16 07/28/04 80.62 79.17
5,528.30 08/30/04 80.48 79.03
5,528.52 09/16/04 80.26 78.81
5,528.71 10/11/04 80.07 78.62
5,528.74 11/16/04 80.04 78.59
5,529.20 12/22/04 79.58 78.13
5,528.92 01/18/05 79.86 78.41
5,529.51 02/28/05 79.27 77.82
5,529.74 03/15/05 79.04 77.59
5,529.96 04/26/05 78.82 77.37
5,530.15 05/24/05 78.63 77.18
5,530.35 06/30/05 78.43 76.98
5,530.47 07/29/05 78.31 76.86
5,530.95 09/12/05 77.83 76.38
5,531.50 12/07/05 77.28 75.83
5,532.43 03/08/06 76.35 74.90
5,533.49 06/13/06 75.29 73.84
5,532.58 07/18/06 76.20 74.75
5,532.88 11/07/06 75.90 74.45
5534.09 02/27/07 74.69 73.24
Water
Elevation
(z)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
(blw.LSD)
5,607.33 5,608.78 1.450 98.55
Water Levels and Data over Time
White Mesa Mill - Well TW4-6
5,534.04 05/02/07 74.74 73.29
5,534.43 08/14/07 74.35 72.90
5,554.54 10/10/07 54.24 52.79
5,535.40 03/26/08 73.38 71.93
5,535.55 06/24/08 73.23 71.78
5,535.90 08/26/08 72.88 71.43
5,535.87 10/14/08 72.91 71.46
5,536.42 03/10/09 72.36 70.91
5,536.71 06/24/09 72.07 70.62
5,536.83 09/10/09 71.95 70.50
5,537.35 12/11/09 71.43 69.98
5,537.93 03/11/10 70.85 69.40
5,538.14 05/11/10 70.64 69.19
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total Depth
Of Well
(blw.LSD)
5,619.87 5,621.07 1.20 119.8
5,552.37 11/29/99 68.70 67.50
5,553.57 01/02/00 67.50 66.30
5,553.87 01/10/00 67.20 66.00
5,553.72 01/17/00 67.35 66.15
5,553.97 01/24/00 67.10 65.90
5,553.87 02/01/00 67.20 66.00
5,553.87 02/07/00 67.20 66.00
5,554.17 02/14/00 66.90 65.70
5,554.27 02/23/00 66.80 65.60
5,554.37 03/01/00 66.70 65.50
5,554.37 03/08/00 66.70 65.50
5,554.27 03/15/00 66.80 65.60
5,554.77 03/20/00 66.30 65.10
5,554.57 03/29/00 66.50 65.30
5,554.27 04/04/00 66.80 65.60
5,554.57 04/13/00 66.50 65.30
5,554.77 04/21/00 66.30 65.10
5,554.87 04/28/00 66.20 65.00
5,554.87 05/01/00 66.20 65.00
5,555.27 05/11/00 65.80 64.60
5,554.97 05/15/00 66.10 64.90
5,555.27 05/25/00 65.80 64.60
5,555.33 06/09/00 65.74 64.54
5,555.45 06/16/00 65.62 64.42
5,555.22 06/26/00 65.85 64.65
5,555.45 07/06/00 65.62 64.42
5,555.40 07/13/00 65.67 64.47
5,555.45 07/18/00 65.62 64.42
5,555.59 07/27/00 65.48 64.28
5,555.65 08/02/00 65.42 64.22
5,555.70 08/09/00 65.37 64.17
5,555.74 08/16/00 65.33 64.13
5,555.96 08/31/00 65.11 63.91
5,555.87 09/08/00 65.20 64.00
5,555.95 09/13/00 65.12 63.92
5,556.05 09/20/00 65.02 63.82
5,556.06 10/05/00 65.01 63.81
5,556.17 10/12/00 64.90 63.70
5,556.20 10/19/00 64.87 63.67
5,556.22 10/23/00 64.85 63.65
5,556.36 11/09/00 64.71 63.51
5,556.42 11/14/00 64.65 63.45
5,556.45 11/30/00 64.62 63.42
Water Levels and Data over Time
White Mesa Mill - Well TW4-7
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total Depth
Of Well
(blw.LSD)
5,619.87 5,621.07 1.20 119.8
Water Levels and Data over Time
White Mesa Mill - Well TW4-7
5,556.15 12/06/00 64.92 63.72
5,556.89 01/14/01 64.18 62.98
5,557.07 02/09/01 64.00 62.80
5,557.62 03/29/01 63.45 62.25
5,557.51 04/30/01 63.56 62.36
5,557.77 05/31/01 63.30 62.10
5,557.84 06/21/01 63.23 62.03
5,557.98 07/10/01 63.09 61.89
5,558.33 08/20/01 62.74 61.54
5,558.57 09/19/01 62.50 61.30
5,558.53 10/02/01 62.54 61.34
5,558.62 11/08/01 62.45 61.25
5,559.03 12/03/01 62.04 60.84
5,559.08 01/03/02 61.99 60.79
5,559.32 02/06/02 61.75 60.55
5,559.63 03/26/02 61.44 60.24
5,559.55 04/09/02 61.52 60.32
5,560.06 05/23/02 61.01 59.81
5,559.91 06/05/02 61.16 59.96
5,560.09 07/08/02 60.98 59.78
5,560.01 08/23/02 61.06 59.86
5,560.23 09/11/02 60.84 59.64
5,560.43 10/23/02 60.64 59.44
5,560.39 11/22/02 60.68 59.48
5,560.61 12/03/02 60.46 59.26
5,560.89 01/09/03 60.18 58.98
5,560.94 02/12/03 60.13 58.93
5,561.28 03/26/03 59.79 58.59
5,561.35 04/02/03 59.72 58.52
5,546.20 05/01/03 74.87 73.67
5,539.47 06/09/03 81.60 80.40
5,541.87 07/07/03 79.20 78.00
5,542.12 08/04/03 78.95 77.75
5,541.91 09/11/03 79.16 77.96
5,544.62 10/02/03 76.45 75.25
5,542.67 11/07/03 78.40 77.20
5,549.96 12/03/03 71.11 69.91
5,557.17 01/15/04 63.90 62.70
5,558.65 02/10/04 62.42 61.22
5,559.90 03/28/04 61.17 59.97
5,560.36 04/12/04 60.71 59.51
5,560.87 05/13/04 60.20 59.00
5,560.95 06/18/04 60.12 58.92
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total Depth
Of Well
(blw.LSD)
5,619.87 5,621.07 1.20 119.8
Water Levels and Data over Time
White Mesa Mill - Well TW4-7
5,561.64 07/28/04 59.43 58.23
5,543.00 08/30/04 78.07 76.87
5,541.91 09/16/04 79.16 77.96
5,540.08 10/11/04 80.99 79.79
5,546.92 11/16/04 74.15 72.95
5,546.97 12/22/04 74.10 72.90
5,546.51 01/18/05 74.56 73.36
5,546.66 02/28/05 74.41 73.21
5,546.81 03/15/05 74.26 73.06
5,548.19 04/26/05 72.88 71.68
5,547.11 05/24/05 73.96 72.76
5,546.98 06/30/05 74.09 72.89
5,546.92 07/29/05 74.15 72.95
5,547.26 09/12/05 73.81 72.61
5,547.26 12/07/05 73.81 72.61
5,548.86 03/08/06 72.21 71.01
5,548.62 06/13/06 72.45 71.25
5,550.04 07/18/06 71.03 69.83
5,548.32 11/07/06 72.75 71.55
5,550.44 02/27/07 70.63 69.43
5,549.69 05/02/07 71.38 70.18
5,549.97 08/14/07 71.10 69.90
5,550.30 10/10/07 70.77 69.57
5,551.92 03/26/08 69.15 67.95
5,552.94 06/24/08 68.13 66.93
5,552.34 08/26/08 68.73 67.53
5,552.61 10/14/08 68.46 67.26
5,552.81 03/10/09 68.26 67.06
5,553.11 06/24/09 67.96 66.76
5,552.55 09/10/09 68.52 67.32
5,553.06 12/11/09 68.01 66.81
5,554.64 03/11/10 66.43 65.23
5,554.20 05/11/10 66.87 65.67
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total Depth
to Water
(blw.LSD)
Total
Depth Of
Well
5,616.80 5,618.21 1.41 126.00
5,543.21 11/29/99 75.00 73.59
5,543.01 01/02/00 75.20 73.79
5,543.31 01/10/00 74.90 73.49
5,543.11 01/17/00 75.10 73.69
5,543.41 01/24/00 74.80 73.39
5,543.31 02/01/00 74.90 73.49
5,543.31 02/07/00 74.90 73.49
5,543.71 02/14/00 74.50 73.09
5,543.76 02/23/00 74.45 73.04
5,543.86 03/01/00 74.35 72.94
5,543.86 03/08/00 74.35 72.94
5,543.91 03/15/00 74.30 72.89
5,544.31 03/20/00 73.90 72.49
5,544.21 03/29/00 74.00 72.59
5,544.01 04/04/00 74.20 72.79
5,544.21 04/13/00 74.00 72.59
5,544.41 04/21/00 73.80 72.39
5,544.51 04/28/00 73.70 72.29
5,544.51 05/01/00 73.70 72.29
5,544.81 05/11/00 73.40 71.99
5,544.51 05/15/00 73.70 72.29
5,544.71 05/25/00 73.50 72.09
5,544.71 06/09/00 73.50 72.09
5,544.81 06/16/00 73.40 71.99
5,544.68 06/26/00 73.53 72.12
5,544.76 07/06/00 73.45 72.04
5,544.77 07/13/00 73.44 72.03
5,544.76 07/18/00 73.45 72.04
5,544.92 07/27/00 73.29 71.88
5,544.96 08/02/00 73.25 71.84
5,544.98 08/09/00 73.23 71.82
5,544.97 08/15/00 73.24 71.83
5,545.21 08/31/00 73.00 71.59
5,545.31 09/08/00 72.90 71.49
5,545.43 09/13/00 72.78 71.37
5,545.56 09/20/00 72.65 71.24
5,545.57 10/05/00 72.64 71.23
5,545.81 11/09/00 72.40 70.99
5,545.66 12/06/00 72.55 71.14
5,546.28 01/03/01 71.93 70.52
5,546.70 02/09/01 71.51 70.10
5,547.18 03/27/01 71.03 69.62
5,547.31 04/30/01 70.90 69.49
Water Levels and Data over Time
White Mesa Mill - Well TW4-8
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total Depth
to Water
(blw.LSD)
Total
Depth Of
Well
5,616.80 5,618.21 1.41 126.00
Water Levels and Data over Time
White Mesa Mill - Well TW4-8
5,547.49 05/31/01 70.72 69.31
5,547.49 06/20/01 70.72 69.31
5,547.83 07/10/01 70.38 68.97
5,548.13 08/20/01 70.08 68.67
5,548.30 09/19/01 69.91 68.50
5,548.45 10/02/01 69.76 68.35
5,547.49 05/31/01 70.72 69.31
5,547.54 06/21/01 70.67 69.26
5,547.83 07/10/01 70.38 68.97
5,548.13 08/20/01 70.08 68.67
5,548.30 09/19/01 69.91 68.50
5,548.45 10/02/01 69.76 68.35
5,548.62 11/08/01 69.59 68.18
5,549.03 12/03/01 69.18 67.77
5,548.97 01/03/02 69.24 67.83
5,549.19 02/06/02 69.02 67.61
5,549.66 03/26/02 68.55 67.14
5,549.64 04/09/02 68.57 67.16
5,550.01 05/23/02 68.20 66.79
5,549.97 06/05/02 68.24 66.83
5,550.13 07/08/02 68.08 66.67
5,550.30 08/23/02 67.91 66.50
5,550.50 09/11/02 67.71 66.30
5,550.90 10/23/02 67.31 65.90
5,550.83 11/22/02 67.38 65.97
5,551.04 12/03/02 67.17 65.76
5,551.24 01/09/03 66.97 65.56
5,551.23 02/12/03 66.98 65.57
5,551.52 03/26/03 66.69 65.28
5,551.64 04/02/03 66.57 65.16
5,549.02 05/01/03 69.19 67.78
5,544.74 06/09/03 73.47 72.06
5,543.78 07/07/03 74.43 73.02
5,543.39 08/04/03 74.82 73.41
5,543.05 09/11/03 75.16 73.75
5,543.19 10/02/03 75.02 73.61
5,543.21 11/07/03 75.00 73.59
5,543.40 12/03/03 74.81 73.40
5,548.10 01/15/04 70.11 68.70
5,549.50 02/10/04 68.71 67.30
5,550.87 03/28/04 67.34 65.93
5,551.33 04/12/04 66.88 65.47
5,551.87 05/13/04 66.34 64.93
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total Depth
to Water
(blw.LSD)
Total
Depth Of
Well
5,616.80 5,618.21 1.41 126.00
Water Levels and Data over Time
White Mesa Mill - Well TW4-8
5,551.92 06/18/04 66.29 64.88
5,552.69 07/28/04 65.52 64.11
5,549.78 08/30/04 68.43 67.02
5,547.46 09/16/04 70.75 69.34
5,545.21 10/11/04 73.00 71.59
5,545.09 11/16/04 73.12 71.71
5,545.61 12/22/04 72.60 71.19
5,545.24 01/18/05 72.97 71.56
5,545.42 02/28/05 72.79 71.38
5,545.45 03/15/05 72.76 71.35
5,545.46 04/26/05 72.75 71.34
5,545.66 05/24/05 72.55 71.14
5,545.54 06/30/05 72.67 71.26
5,545.43 07/29/05 72.78 71.37
5,545.61 09/12/05 72.60 71.19
5,545.52 12/07/05 72.69 71.28
5,546.53 03/08/06 71.68 70.27
5,546.51 06/13/06 71.70 70.29
5,546.51 07/18/06 71.70 70.29
5,546.46 11/07/06 71.75 70.34
5,547.92 02/27/07 70.29 68.88
5,547.01 05/02/07 71.20 69.79
5,547.40 08/14/07 70.81 69.40
5,547.57 10/10/07 70.64 69.23
5,548.76 03/26/08 69.45 68.04
5,549.17 06/24/08 69.04 67.63
5,549.31 08/26/08 68.9 67.49
5,549.37 10/14/08 68.84 67.43
5,549.72 03/03/09 68.49 67.08
5,550.08 06/24/09 68.13 66.72
5,549.93 09/10/09 68.28 66.87
5,550.44 12/11/09 67.77 66.36
5,551.46 03/11/10 66.75 65.34
5,551.38 05/11/10 66.83 65.42
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,636.11 5,637.59 1.48 121.33
5,577.09 12/20/99 60.5 59.02
5,577.09 01/02/00 60.5 59.02
5,577.29 01/10/00 60.3 58.82
5,577.09 01/17/00 60.5 59.02
5,577.39 01/24/00 60.2 58.72
5,577.29 02/01/00 60.3 58.82
5,577.19 02/07/00 60.4 58.92
5,577.69 02/14/00 59.9 58.42
5,577.69 02/23/00 59.9 58.42
5,577.79 03/01/00 59.8 58.32
5,577.79 03/08/00 59.8 58.32
5,577.89 03/15/00 59.7 58.22
5,568.49 03/20/00 69.1 67.62
5,578.14 03/29/00 59.45 57.97
5,577.84 04/04/00 59.75 58.27
5,578.04 04/13/00 59.55 58.07
5,578.24 04/21/00 59.35 57.87
5,578.39 04/28/00 59.2 57.72
5,578.39 05/01/00 59.2 57.72
5,578.79 05/11/00 58.8 57.32
5,578.39 05/15/00 59.2 57.72
5,578.79 05/25/00 58.8 57.32
5,578.81 06/09/00 58.78 57.30
5,578.89 06/16/00 58.7 57.22
5,578.74 06/26/00 58.85 57.37
5,578.86 07/06/00 58.73 57.25
5,578.87 07/13/00 58.72 57.24
5,578.84 07/18/00 58.75 57.27
5,579.03 07/27/00 58.56 57.08
5,579.03 08/02/00 58.56 57.08
5,579.05 08/09/00 58.54 57.06
5,579.04 08/15/00 58.55 57.07
5,579.25 08/31/00 58.34 56.86
5,579.35 09/08/00 58.24 56.76
5,579.40 09/13/00 58.19 56.71
5,579.46 09/20/00 58.13 56.65
5,579.44 10/05/00 58.15 56.67
5,579.79 11/09/00 57.8 56.32
5,579.73 12/06/00 57.86 56.38
5,580.01 01/03/01 57.58 56.10
5,580.30 02/09/01 57.29 55.81
5,580.66 03/27/01 56.93 55.45
5,580.75 04/30/01 56.84 55.36
Water Levels and Data over Time
White Mesa Mill - Well TW4-9
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,636.11 5,637.59 1.48 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-9
5,581.04 05/31/01 56.55 55.07
5,581.12 06/21/01 56.47 54.99
5,581.15 07/10/01 56.44 54.96
5,581.51 08/20/01 56.08 54.60
5,581.70 09/19/01 55.89 54.41
5,581.61 10/02/01 55.98 54.50
5,581.04 05/31/01 56.55 55.07
5,581.12 06/21/01 56.47 54.99
5,581.15 07/10/01 56.44 54.96
5,581.51 08/20/01 56.08 54.60
5,581.70 09/19/01 55.89 54.41
5,581.61 10/02/01 55.98 54.50
5,581.83 11/08/01 55.76 54.28
5,582.17 12/03/01 55.42 53.94
5,582.21 01/03/02 55.38 53.90
5,582.57 02/06/02 55.02 53.54
5,583.12 03/26/02 54.47 52.99
5,582.77 04/09/02 54.82 53.34
5,583.21 05/23/02 54.38 52.90
5,582.94 06/05/02 54.65 53.17
5,582.71 07/08/02 54.88 53.40
5,583.67 08/23/02 53.92 52.44
5,583.82 09/11/02 53.77 52.29
5,584.01 10/23/02 53.58 52.10
5,583.88 11/22/02 53.71 52.23
5,583.81 12/03/02 53.78 52.30
5,584.28 01/09/03 53.31 51.83
5,584.41 02/12/03 53.18 51.70
5,584.68 03/26/03 52.91 51.43
5,584.49 04/02/03 53.10 51.62
5,584.51 05/01/03 53.08 51.60
5,583.59 06/09/03 54.00 52.52
5,582.96 07/07/03 54.63 53.15
5,582.98 08/04/03 54.61 53.13
5,582.57 09/11/03 55.02 53.54
5,582.25 10/02/03 55.34 53.86
5,582.09 11/07/03 55.50 54.02
5,582.48 12/03/03 55.11 53.63
5,583.69 01/15/04 53.90 52.42
5,583.89 02/10/04 53.70 52.22
5,584.30 03/28/04 53.29 51.81
5,584.59 04/12/04 53.00 51.52
5,584.87 05/13/04 52.72 51.24
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,636.11 5,637.59 1.48 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-9
5,584.96 06/18/04 52.63 51.15
5,585.50 07/28/04 52.09 50.61
5,584.81 08/30/04 52.78 51.30
5,584.40 09/16/04 53.19 51.71
5,583.91 10/11/04 53.68 52.20
5,583.39 11/16/04 54.20 52.72
5,583.54 12/22/04 54.05 52.57
5,583.34 01/18/05 54.25 52.77
5,583.66 02/28/05 53.93 52.45
5,583.87 03/15/05 53.72 52.24
5,584.74 04/26/05 52.85 51.37
5,585.26 05/24/05 52.33 50.85
5,585.06 06/30/05 52.53 51.05
5,584.67 07/29/05 52.92 51.44
5,584.75 09/12/05 52.84 51.36
5,584.51 12/07/05 53.08 51.60
5,585.74 03/08/06 51.85 50.37
5,584.74 06/13/06 52.85 51.37
5,584.26 07/18/06 53.33 51.85
5,584.21 11/07/06 53.38 51.90
5,584.67 02/27/07 52.92 51.44
5,584.06 05/02/07 53.53 52.05
5,585.33 08/14/07 52.26 50.78
5,585.42 10/10/07 52.17 50.69
5,587.01 03/26/08 50.58 49.10
5,585.44 06/24/08 52.15 50.67
5,585.23 08/26/08 52.36 50.88
5,584.42 10/14/08 53.17 51.69
5,583.59 03/03/09 54 52.52
5,583.35 06/24/09 54.24 52.76
5,582.91 09/10/09 54.68 53.20
5,583.43 12/11/09 54.16 52.68
5,584.00 03/11/10 53.59 52.11
5,583.27 05/11/10 54.32 52.84
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total Depth
to Water
(blw.LSD)
Total
Depth Of
Well
5,631.99 5,634.24 2.25 121.33
5,576.75 01/03/02 57.49 55.24
5,576.92 02/06/02 57.32 55.07
5,577.43 03/26/02 56.81 54.56
5,577.22 04/09/02 57.02 54.77
5,577.80 05/23/02 56.44 54.19
5,577.47 06/05/02 56.77 54.52
5,577.55 07/08/02 56.69 54.44
5,578.10 08/23/02 56.14 53.89
5,578.24 09/11/02 56.00 53.75
5,578.49 10/23/02 55.75 53.50
5,578.43 11/22/02 55.81 53.56
5,578.43 12/03/02 55.81 53.56
5,578.66 01/09/03 55.58 53.33
5,578.66 02/12/03 55.58 53.33
5,578.78 03/26/03 55.46 53.21
5,578.90 04/02/03 55.34 53.09
5,578.83 05/01/03 55.41 53.16
5,578.05 06/09/03 56.19 53.94
5,577.38 07/07/03 56.86 54.61
5,577.15 08/04/03 57.09 54.84
5,576.76 09/11/03 57.48 55.23
5,576.36 10/02/03 57.88 55.63
5,576.05 11/07/03 58.19 55.94
5,576.20 12/03/03 58.04 55.79
5,577.43 01/15/04 56.81 54.56
5,577.81 02/10/04 56.43 54.18
5,578.47 03/28/04 55.77 53.52
5,578.69 04/12/04 55.55 53.30
5,578.93 05/13/04 55.31 53.06
5,578.99 06/18/04 55.25 53.00
5,579.18 07/28/04 55.06 52.81
5,579.06 08/30/04 55.18 52.93
5,578.78 09/16/04 55.46 53.21
5,577.80 10/11/04 56.44 54.19
5,577.13 11/16/04 57.11 54.86
5,576.96 12/22/04 57.28 55.03
5,576.63 01/18/05 57.61 55.36
5,576.82 02/28/05 57.42 55.17
5,576.86 03/15/05 57.38 55.13
5,577.52 04/26/05 56.72 54.47
5,578.01 05/24/05 56.23 53.98
5,578.15 06/30/05 56.09 53.84
5,577.90 07/29/05 56.34 54.09
Water Levels and Data over Time
White Mesa Mill - Well TW4-10
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total Depth
to Water
(blw.LSD)
Total
Depth Of
Well
5,631.99 5,634.24 2.25 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-10
5,578.02 09/12/05 56.22 53.97
5,577.56 12/07/05 56.68 54.43
5,579.69 03/08/06 54.55 52.30
5,578.34 06/13/06 55.90 53.65
5,577.94 07/18/06 56.30 54.05
5,578.01 11/07/06 56.23 53.98
5578.43 02/27/07 55.81 53.56
5,577.84 05/02/07 56.40 54.15
5,578.74 08/14/07 55.50 53.25
5,579.04 10/10/07 55.20 52.95
5,580.69 03/26/08 53.55 51.30
5,579.87 06/24/08 54.37 52.12
5,579.47 08/26/08 54.77 52.52
5,578.87 10/14/08 55.37 53.12
5,578.01 03/10/09 56.23 53.98
5,577.85 06/24/09 56.39 54.14
5,577.49 09/10/09 56.75 54.50
5,577.98 12/11/09 56.26 54.01
5,578.38 03/11/10 55.86 53.61
5,578.16 05/11/10 56.08 53.83
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,621.92 5,623.62 1.70 121.33
5,548.32 01/03/02 75.30 73.60
5,548.73 02/06/02 74.89 73.19
5,549.03 03/26/02 74.59 72.89
5,548.84 04/09/02 74.78 73.08
5,549.30 05/23/02 74.32 72.62
5,549.01 06/05/02 74.61 72.91
5,549.22 07/08/02 74.40 72.70
5,549.44 08/23/02 74.18 72.48
5,549.57 09/11/02 74.05 72.35
5,549.64 10/23/02 73.98 72.28
5,549.58 11/22/02 74.04 72.34
5,549.62 12/03/02 74.00 72.30
5,549.85 01/09/03 73.77 72.07
5,549.91 02/12/03 73.71 72.01
5,550.15 03/26/03 73.47 71.77
5,550.01 04/02/03 73.61 71.91
5,550.31 05/01/03 73.31 71.61
5,550.44 06/09/03 73.18 71.48
5,550.33 07/07/03 73.29 71.59
5,550.35 08/04/03 73.27 71.57
5,550.44 09/11/03 73.18 71.48
5,550.47 10/02/03 73.15 71.45
5,550.60 11/07/03 73.02 71.32
5,550.60 12/03/03 73.02 71.32
5,550.94 01/15/04 72.68 70.98
5,551.00 02/10/04 72.62 70.92
5,550.34 03/28/04 73.28 71.58
5,551.54 04/12/04 72.08 70.38
5,551.89 05/13/04 71.73 70.03
5,551.94 06/18/04 71.68 69.98
5,552.49 07/28/04 71.13 69.43
5,552.74 08/30/04 70.88 69.18
5,553.01 09/16/04 70.61 68.91
5,553.11 10/11/04 70.51 68.81
5,553.19 11/16/04 70.43 68.73
5,553.53 12/22/04 70.09 68.39
5,553.31 01/18/05 70.31 68.61
5,553.84 02/28/05 69.78 68.08
5,554.04 03/15/05 69.58 67.88
5,554.23 04/26/05 69.39 67.69
5,553.87 05/24/05 69.75 68.05
5,554.46 06/30/05 69.16 67.46
5,554.57 07/29/05 69.05 67.35
Water Levels and Data over Time
White Mesa Mill - Well TW4-11
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,621.92 5,623.62 1.70 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-11
5,553.86 09/12/05 69.76 68.06
5,555.30 12/07/05 68.32 66.62
5,556.20 03/08/06 67.42 65.72
5,556.48 06/14/06 67.14 65.44
5,556.37 07/18/06 67.25 65.55
5,556.94 11/07/06 66.68 64.98
5557.92 02/27/07 65.7 64
5,557.84 05/02/07 65.78 64.08
5,558.02 08/15/07 65.60 63.90
5,557.13 10/10/07 66.49 64.79
5,569.74 03/26/08 53.88 52.18
5,561.01 06/24/08 62.61 60.91
5,562.07 08/26/08 61.55 59.85
5,562.47 10/14/08 61.15 59.45
5,563.80 03/10/09 59.82 58.12
5,564.27 06/24/09 59.35 57.65
5,564.32 09/10/09 59.3 57.60
5,564.70 12/11/09 58.92 57.22
5,565.14 03/11/10 58.48 56.78
5,565.61 05/11/10 58.01 56.31
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,622.38 5,624.03 1.65 121.33
5,580.71 08/23/02 43.32 41.67
5,581.34 09/11/02 42.69 41.04
5,581.13 10/23/02 42.90 41.25
5,581.27 11/22/02 42.76 41.11
5,581.35 12/03/02 42.68 41.03
5,582.38 01/09/03 41.65 40.00
5,582.27 02/12/03 41.76 40.11
5,582.51 03/26/03 41.52 39.87
5,581.91 04/02/03 42.12 40.47
5,582.72 05/01/03 41.31 39.66
5,582.93 06/09/03 41.10 39.45
5,583.01 07/07/03 41.02 39.37
5,583.11 08/04/03 40.92 39.27
5,583.35 09/11/03 40.68 39.03
5,583.52 10/02/03 40.51 38.86
5,583.57 11/07/03 40.46 38.81
5,583.81 12/03/03 40.22 38.57
5,584.17 01/15/04 39.86 38.21
5,584.19 02/10/04 39.84 38.19
5,584.31 03/28/04 39.72 38.07
5,584.70 04/12/04 39.33 37.68
5,584.68 05/13/04 39.35 37.70
5,584.73 06/18/04 39.30 37.65
5,585.16 07/28/04 38.87 37.22
5,585.18 08/30/04 38.85 37.20
5,585.29 09/16/04 38.74 37.09
5,585.65 10/11/04 38.38 36.73
5,585.71 11/16/04 38.32 36.67
5,586.15 12/22/04 37.88 36.23
5,585.94 01/18/05 38.09 36.44
5,586.36 02/28/05 37.67 36.02
5,586.75 03/15/05 37.28 35.63
5,587.00 04/26/05 37.03 35.38
5,587.15 05/24/05 36.88 35.23
5,587.38 06/30/05 36.65 35.00
5,587.38 07/29/05 36.65 35.00
5,587.74 09/12/05 36.29 34.64
5,588.23 12/07/05 35.80 34.15
5,588.72 03/08/06 35.31 33.66
5,588.14 06/13/06 35.89 34.24
5,588.13 07/18/06 35.90 34.25
5,584.50 11/07/06 39.53 37.88
5588.65 02/27/07 35.38 33.73
Water Levels and Data over Time
White Mesa Mill - Well TW4-12
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,622.38 5,624.03 1.65 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-12
5,588.33 05/02/07 35.70 34.05
5,586.29 08/14/07 37.74 36.09
5,586.48 10/10/07 37.55 35.90
5,587.56 03/26/08 36.47 34.82
5,587.39 06/24/08 36.64 34.99
5,587.15 08/26/08 36.88 35.23
5,586.64 10/14/08 37.39 35.74
5,585.97 03/03/09 38.06 36.41
5,585.54 06/24/09 38.49 36.84
5,585.34 09/10/09 38.69 37.04
5,585.57 12/11/09 38.46 36.81
5,585.68 03/11/10 38.35 36.70
5,586.15 05/11/10 37.88 36.23
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,618.09 5,619.94 1.85 121.33
5,529.66 08/23/02 90.28 88.43
5,530.66 09/11/02 89.28 87.43
5,529.10 10/23/02 90.84 88.99
5,530.58 11/22/02 89.36 87.51
5,530.61 12/03/02 89.33 87.48
5,529.74 01/09/03 90.20 88.35
5,531.03 02/12/03 88.91 87.06
5,531.82 03/26/03 88.12 86.27
5,524.63 04/02/03 95.31 93.46
5,531.54 05/01/03 88.40 86.55
5,538.46 06/09/03 81.48 79.63
5,539.38 07/07/03 80.56 78.71
5,540.72 08/04/03 79.22 77.37
5,541.25 09/11/03 78.69 76.84
5,541.34 10/02/03 78.60 76.75
5,541.69 11/07/03 78.25 76.40
5,541.91 12/03/03 78.03 76.18
5,542.44 01/15/04 77.50 75.65
5,542.47 02/10/04 77.47 75.62
5,542.84 03/28/04 77.10 75.25
5,543.08 04/12/04 76.86 75.01
5,543.34 05/13/04 76.60 74.75
5,543.40 06/18/04 76.54 74.69
5,544.06 07/28/04 75.88 74.03
5,544.61 08/30/04 75.33 73.48
5,545.23 09/16/04 74.71 72.86
5,546.20 10/11/04 73.74 71.89
5,547.43 11/16/04 72.51 70.66
5,548.96 12/22/04 70.98 69.13
5,549.02 01/18/05 70.92 69.07
5,550.66 02/28/05 69.28 67.43
5,551.26 03/15/05 68.68 66.83
5,552.23 04/26/05 67.71 65.86
5,552.87 05/24/05 67.07 65.22
5,553.42 06/30/05 66.52 64.67
5,554.00 07/29/05 65.94 64.09
5,555.21 09/12/05 64.73 62.88
5,558.13 12/07/05 61.81 59.96
5,562.93 03/08/06 57.01 55.16
5,564.39 06/13/06 55.55 53.70
5,562.09 07/18/06 57.85 56.00
5,565.49 11/07/06 54.45 52.60
5571.08 02/27/07 48.86 47.01
Water Levels and Data over Time
White Mesa Mill - Well TW4-13
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,618.09 5,619.94 1.85 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-13
5,570.63 05/02/07 49.31 47.46
5,565.24 08/14/07 54.7 52.85
5,565.83 10/10/07 54.11 52.26
5,569.29 03/26/08 50.65 48.80
5,570.00 06/24/08 49.94 48.09
5,570.41 08/26/08 49.53 47.68
5,570.64 10/14/08 49.3 47.45
5,570.43 03/03/09 49.51 47.66
5,570.56 06/24/09 49.38 47.53
5,570.42 09/10/09 49.52 47.67
5,571.15 12/11/09 48.79 46.94
5,572.01 03/11/10 47.93 46.08
5,572.88 05/11/10 47.06 45.21
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,610.92 5,612.77 1.85 121.33
5,518.90 08/23/02 93.87 92.02
5,519.28 09/11/02 93.49 91.64
5,519.95 10/23/02 92.82 90.97
5,520.32 11/22/02 92.45 90.60
5,520.42 12/03/02 92.35 90.50
5,520.70 01/09/03 92.07 90.22
5,520.89 02/12/03 91.88 90.03
5,521.12 03/26/03 91.65 89.80
5,521.12 04/02/03 91.65 89.80
5,521.24 05/01/03 91.53 89.68
5,521.34 06/09/03 91.43 89.58
5,521.36 07/07/03 91.41 89.56
5,521.35 08/04/03 91.42 89.57
5,521.30 09/11/03 91.47 89.62
5,521.35 10/02/03 91.42 89.57
5,521.36 11/07/03 91.41 89.56
5,521.16 12/03/03 91.61 89.76
5,521.29 01/15/04 91.48 89.63
5,521.36 02/10/04 91.41 89.56
5,521.46 03/28/04 91.31 89.46
5,521.54 04/12/04 91.23 89.38
5,521.59 05/13/04 91.18 89.33
5,521.69 06/18/04 91.08 89.23
5,521.71 07/28/04 91.06 89.21
5,521.76 08/30/04 91.01 89.16
5,521.77 09/16/04 91.00 89.15
5,521.79 10/11/04 90.98 89.13
5,521.80 11/16/04 90.97 89.12
5,521.82 12/22/04 90.95 89.10
5,521.82 01/18/05 90.95 89.10
5,521.86 02/28/05 90.91 89.06
5,521.85 03/15/05 90.92 89.07
5,521.91 04/26/05 90.86 89.01
5,521.93 05/24/05 90.84 88.99
5,521.94 06/30/05 90.83 88.98
5,521.84 07/29/05 90.93 89.08
5,521.99 09/12/05 90.78 88.93
5,522.04 12/07/05 90.73 88.88
5,522.05 03/08/06 90.72 88.87
5,522.27 06/13/06 90.50 88.65
5,521.92 07/18/06 90.85 89.00
5,520.17 11/07/06 92.60 90.75
5522.24 02/27/07 90.53 88.68
Water Levels and Data over Time
White Mesa Mill - Well TW4-14
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,610.92 5,612.77 1.85 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-14
5,522.47 05/02/07 90.30 88.45
5,520.74 08/14/07 92.03 90.18
5,518.13 10/10/07 94.64 92.79
5,522.85 03/26/08 89.92 88.07
5,522.91 06/24/08 89.86 88.01
5,523.01 08/26/08 89.76 87.91
5,522.96 10/14/08 89.81 87.96
5,523.20 03/03/09 89.57 87.72
5,523.33 06/24/09 89.44 87.59
5,523.47 09/10/09 89.3 87.45
5,523.54 12/11/09 89.23 87.38
5,522.98 03/11/10 89.79 87.94
5,524.01 05/11/10 88.76 86.91
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,624.15 5,625.45 1.30 121.33
5,574.75 08/23/02 50.70 49.40
5,574.97 09/11/02 50.48 49.18
5,575.10 10/23/02 50.35 49.05
5,574.99 11/22/02 50.46 49.16
5,575.28 12/03/02 50.17 48.87
5,575.41 01/09/03 50.04 48.74
5,575.43 02/12/03 50.02 48.72
5,575.63 03/26/03 49.82 48.52
5,575.91 04/02/03 49.54 48.24
5,575.81 05/01/03 49.64 48.34
5,572.36 06/09/03 53.09 51.79
5,570.70 07/07/03 54.75 53.45
5,570.29 08/04/03 55.16 53.86
5,560.94 09/11/03 64.51 63.21
5,560.63 10/02/03 64.82 63.52
5,560.56 11/07/03 64.89 63.59
5,564.77 12/03/03 60.68 59.38
5,570.89 01/15/04 54.56 53.26
5,572.55 02/10/04 52.90 51.60
5,574.25 03/28/04 51.20 49.90
5,574.77 04/12/04 50.68 49.38
5,575.53 05/13/04 49.92 48.62
5,575.59 06/18/04 49.86 48.56
5,576.82 07/28/04 48.63 47.33
5,527.47 09/16/04 97.98 96.68
5,553.97 11/16/04 71.48 70.18
5,562.33 12/22/04 63.12 61.82
5,550.00 01/18/05 75.45 74.15
5,560.02 04/26/05 65.43 64.13
5,546.11 05/24/05 79.34 78.04
5,556.71 06/30/05 68.74 67.44
5,554.95 07/29/05 70.50 69.20
5,555.48 09/12/05 69.97 68.67
5,551.09 12/07/05 74.36 73.06
5,552.85 03/08/06 72.60 71.30
5,554.30 06/13/06 71.15 69.85
5,554.87 07/18/06 70.58 69.28
5,550.88 11/07/06 74.57 73.27
5558.77 02/27/07 66.68 65.38
5,548.54 05/02/07 76.91 75.61
5,551.33 10/10/07 74.12 72.82
5,545.56 03/26/08 79.89 78.59
5,545.56 06/25/08 79.89 78.59
Water Levels and Data over Time
White Mesa Mill - Well TW4-15 (MW-26)
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,624.15 5,625.45 1.30 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-15 (MW-26)
5,545.82 08/26/08 79.63 78.33
5,545.64 10/14/08 79.81 78.51
5,544.45 03/03/09 81.00 79.70
5,545.32 06/24/09 80.13 78.83
5,544.61 09/10/09 80.84 79.54
5,549.33 12/11/09 76.12 74.82
5,543.78 03/11/10 81.67 80.37
5,545.61 05/11/10 79.84 78.54
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,622.19 5,624.02 1.83 121.33
5,562.91 08/23/02 61.11 59.28
5,563.45 09/11/02 60.57 58.74
5,563.75 10/23/02 60.27 58.44
5,563.68 11/22/02 60.34 58.51
5,563.68 12/03/02 60.34 58.51
5,564.16 01/09/03 59.86 58.03
5,564.25 02/12/03 59.77 57.94
5,564.53 03/26/03 59.49 57.66
5,564.46 04/02/03 59.56 57.73
5,564.79 05/01/03 59.23 57.40
5,564.31 06/09/03 59.71 57.88
5,563.29 07/07/03 60.73 58.90
5,562.76 08/04/03 61.26 59.43
5,561.73 09/11/03 62.29 60.46
5,561.04 10/02/03 62.98 61.15
5,560.39 11/07/03 63.63 61.80
5,559.79 12/03/03 64.23 62.40
5,561.02 01/15/04 63 61.17
5,561.75 02/10/04 62.27 60.44
5,562.98 03/28/04 61.04 59.21
5,563.29 04/12/04 60.73 58.90
5,564.03 05/13/04 59.99 58.16
5,564.09 06/18/04 59.93 58.10
5,565.08 07/28/04 58.94 57.11
5,564.56 08/30/04 59.46 57.63
5,563.55 09/16/04 60.47 58.64
5,561.79 10/11/04 62.23 60.40
5,560.38 11/16/04 63.64 61.81
5,559.71 12/22/04 64.31 62.48
5,559.14 01/18/05 64.88 63.05
5,558.65 02/28/05 65.37 63.54
5,558.54 03/15/05 65.48 63.65
5,558.22 04/26/05 65.8 63.97
5,558.54 05/24/05 65.48 63.65
5,559.24 06/30/05 64.78 62.95
5,559.38 07/29/05 64.64 62.81
5,559.23 09/12/05 64.79 62.96
5,557.67 12/07/05 66.35 64.52
5,557.92 03/08/06 66.10 64.27
5,558.47 06/13/06 65.55 63.72
5,558.42 07/18/06 65.60 63.77
5,558.09 11/07/06 65.93 64.10
5557.34 02/27/07 66.68 64.85
Water Levels and Data over Time
White Mesa Mill - Well TW4-16
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,622.19 5,624.02 1.83 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-16
5,547.11 05/02/07 76.91 75.08
5,558.52 08/14/07 65.5 63.67
5,559.02 10/10/07 65.00 63.17
5,561.04 03/26/08 62.98 61.15
5,560.06 06/24/08 63.96 62.13
5,559.32 08/26/08 64.7 62.87
5,558.89 10/14/08 65.13 63.30
5,558.40 03/03/09 65.62 63.79
5,558.32 06/24/09 65.7 63.87
5,558.03 09/10/09 65.99 64.16
5,558.81 12/11/09 65.21 63.38
5,559.80 03/11/10 64.22 62.39
5,559.85 05/11/10 64.17 62.34
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,623.41 5,625.24 1.83 121.33
5,542.17 08/23/02 83.07 81.24
5,542.39 09/11/02 82.85 81.02
5,542.61 10/23/02 82.63 80.80
5,542.49 11/22/02 82.75 80.92
5,542.82 12/03/02 82.42 80.59
5,543.03 01/09/03 82.21 80.38
5,543.04 02/12/03 82.20 80.37
5,543.41 03/26/03 81.83 80.00
5,543.69 04/02/03 81.55 79.72
5,543.77 05/01/03 81.47 79.64
5,544.01 06/09/03 81.23 79.40
5,544.05 07/07/03 81.19 79.36
5,543.99 08/04/03 81.25 79.42
5,544.17 09/11/03 81.07 79.24
5,544.06 10/02/03 81.18 79.35
5,544.03 11/07/03 81.21 79.38
5,543.94 12/03/03 81.30 79.47
5,543.98 01/15/04 81.26 79.43
5,543.85 02/10/04 81.39 79.56
5,544.05 03/28/04 81.19 79.36
5,544.33 04/12/04 80.91 79.08
5,544.55 05/13/04 80.69 78.86
5,544.59 06/18/04 80.65 78.82
5,545.08 07/28/04 80.16 78.33
5,545.26 08/30/04 79.98 78.15
5,545.48 09/16/04 79.76 77.93
5,545.61 10/11/04 79.63 77.80
5,545.46 11/16/04 79.78 77.95
5,545.66 12/22/04 79.58 77.75
5,545.33 01/18/05 79.91 78.08
5,545.51 02/28/05 79.73 77.90
5,545.57 03/15/05 79.67 77.84
5,545.46 04/26/05 79.78 77.95
5,545.45 05/24/05 79.79 77.96
5,545.33 06/30/05 79.91 78.08
5,545.16 07/29/05 80.08 78.25
5,545.54 09/12/05 79.70 77.87
5,545.77 12/07/05 79.47 77.64
5,546.09 03/08/06 79.15 77.32
5,545.94 06/13/06 79.30 77.47
5,545.94 07/18/06 79.30 77.47
5,546.24 11/07/06 79.00 77.17
5546.81 02/27/07 78.43 76.6
Water Levels and Data over Time
White Mesa Mill - Well TW4-17 (MW-32)
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,623.41 5,625.24 1.83 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-17 (MW-32)
5546.56 05/02/07 78.68 76.85
5546.81 08/15/07 78.43 76.6
5546.96 10/10/07 78.28 76.45
5547.9 03/26/08 77.34 75.51
5548.08 06/25/08 77.16 75.33
5548.42 08/26/08 76.82 74.99
5548.05 10/14/08 77.19 75.36
5548.29 03/03/09 76.95 75.12
5548.09 06/24/09 77.15 75.32
5547.79 09/10/09 77.45 75.62
5548.09 12/11/09 77.15 75.32
5,548.50 03/11/10 76.74 74.91
5,548.89 05/11/10 76.35 74.52
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,639.13 5,641.28 2.15 121.33
5,585.13 08/23/02 56.15 54.00
5,585.41 09/11/02 55.87 53.72
5,585.47 10/23/02 55.81 53.66
5,585.40 11/22/02 55.88 53.73
5,585.68 12/03/02 55.60 53.45
5,585.90 01/09/03 55.38 53.23
5,590.79 02/12/03 50.49 48.34
5,586.18 03/26/03 55.10 52.95
5,586.36 04/02/03 54.92 52.77
5,586.24 05/01/03 55.04 52.89
5,584.93 06/09/03 56.35 54.20
5,584.46 07/07/03 56.82 54.67
5,584.55 08/04/03 56.73 54.58
5,584.01 09/11/03 57.27 55.12
5,583.67 10/02/03 57.61 55.46
5,583.50 11/07/03 57.78 55.63
5,584.08 12/03/03 57.20 55.05
5,585.45 01/15/04 55.83 53.68
5,585.66 02/10/04 55.62 53.47
5,586.13 03/28/04 55.15 53.00
5,586.39 04/12/04 54.89 52.74
5,586.66 05/13/04 54.62 52.47
5,586.77 06/18/04 54.51 52.36
5,587.35 07/28/04 53.93 51.78
5,586.34 08/30/04 54.94 52.79
5,585.85 09/16/04 55.43 53.28
5,585.22 10/11/04 56.06 53.91
5,584.70 11/16/04 56.58 54.43
5,584.81 12/22/04 56.47 54.32
5,584.68 01/18/05 56.60 54.45
5,585.02 02/28/05 56.26 54.11
5,585.25 03/15/05 56.03 53.88
5,586.31 04/26/05 54.97 52.82
5,586.97 05/24/05 54.31 52.16
5,586.58 06/30/05 54.70 52.55
5,586.10 07/29/05 55.18 53.03
5,586.05 09/12/05 55.23 53.08
5,585.86 12/07/05 55.42 53.27
5,587.13 03/08/06 54.15 52.00
5,585.93 06/13/06 55.35 53.20
5,585.40 07/18/06 55.88 53.73
5,585.38 11/07/06 55.90 53.75
5585.83 02/27/07 55.45 53.30
Water Levels and Data over Time
White Mesa Mill - Well TW4-18
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,639.13 5,641.28 2.15 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-18
5585.15 05/02/07 56.13 53.98
5586.47 06/24/08 54.81 52.66
5586.3 08/26/08 54.98 52.83
5585.21 10/14/08 56.07 53.92
5584.47 03/03/09 56.81 54.66
5584.35 06/24/09 56.93 54.78
5583.88 09/10/09 57.4 55.25
5584.43 12/11/09 56.85 54.70
5,585.26 03/11/10 56.02 53.87
5,584.17 05/11/10 57.11 54.96
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total Depth
to Water
(blw.LSD)
Total Depth Of
Well
5,629.53 5,631.39 1.86 121.33
5,581.88 08/23/02 49.51 47.65
5,582.14 09/11/02 49.25 47.39
5,582.06 10/23/02 49.33 47.47
5,582.07 11/22/02 49.32 47.46
5,582.16 12/03/02 49.23 47.37
5,582.28 01/09/03 49.11 47.25
5,582.29 02/21/03 49.10 47.24
5,582.74 03/26/03 48.65 46.79
5,582.82 04/02/03 48.57 46.71
5,548.47 05/01/03 82.92 81.06
5,564.76 06/09/03 66.63 64.77
5,562.53 07/07/03 68.86 67.00
5,564.10 08/04/03 67.29 65.43
5,566.01 08/30/04 65.38 63.52
5,555.16 09/16/04 76.23 74.37
5,549.80 10/11/04 81.59 79.73
5,546.04 11/16/04 85.35 83.49
5,547.34 12/22/04 84.05 82.19
5,548.77 01/18/05 82.62 80.76
5,551.18 02/28/05 80.21 78.35
5,556.81 03/15/05 74.58 72.72
5,562.63 04/26/05 68.76 66.90
5,573.42 05/24/05 57.97 56.11
5,552.94 07/29/05 78.45 76.59
5,554.00 09/12/05 77.39 75.53
5,555.98 12/07/05 75.41 73.55
5,552.00 03/08/06 79.39 77.53
5,545.74 06/13/06 85.65 83.79
5,544.06 07/18/06 87.33 85.47
5,548.81 11/07/06 82.58 80.72
5543.59 02/27/07 87.8 85.94
5544.55 05/02/07 86.84 84.98
5558.97 08/15/07 72.42 70.56
5559.73 10/10/07 71.66 69.8
5569.26 03/26/08 62.13 60.27
5535.47 06/25/08 95.92 94.06
5541.41 08/26/08 89.98 88.12
5558.45 10/14/08 72.94 71.08
5536.9 03/03/09 94.49 92.63
5547.76 06/24/09 83.63 81.77
5561.48 09/10/09 69.91 68.05
5548.14 12/11/09 83.25 81.39
5,570.58 03/11/10 60.81 58.95
Water Levels and Data over Time
White Mesa Mill - Well TW4-19
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total Depth
to Water
(blw.LSD)
Total Depth Of
Well
5,629.53 5,631.39 1.86 121.33
Water Levels and Data over Time
White Mesa Mill - Well TW4-19
5,561.35 05/11/10 70.04 68.18
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,628.52 5,629.53 1.01 106.0
Water Levels and Data over Time
White Mesa Mill - Well TW4-20
5,565.70 07/29/05 63.83 62.82
5,546.53 08/30/05 83.00 81.99
5,540.29 09/12/05 89.24 88.23
5,541.17 12/07/05 88.36 87.35
5,540.33 03/08/06 89.20 88.19
5,530.43 06/13/06 99.10 98.09
5,569.13 07/18/06 60.40 59.39
5,547.95 11/07/06 81.58 80.57
5,549.25 02/27/07 80.28 79.27
5,550.58 05/02/07 78.95 77.94
5,563.60 08/14/07 65.93 64.92
5,555.85 10/10/07 73.68 72.67
5,569.10 03/26/08 60.43 59.42
5,560.00 06/25/08 69.53 68.52
5,539.64 08/26/08 89.89 88.88
5,539.51 10/14/08 90.02 89.01
5,553.00 03/03/09 76.53 75.52
5,534.18 06/24/09 95.35 94.34
5,558.39 09/10/09 71.14 70.13
5,560.99 12/11/09 68.54 67.53
5,564.09 03/11/10 65.44 64.43
5 564 22 05/11/10 65 31 64 305,564.22 05/11/10 65.31 64.30
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,638.20 5,639.35 1.15 120.92
5,582.98 07/29/05 56.37 55.22
5,583.43 08/30/05 55.92 54.77
5,581.87 09/12/05 57.48 56.33
5,580.50 12/07/05 58.85 57.70
5,583.64 03/08/06 55.71 54.56
5,580.55 06/13/06 58.80 57.65
5,578.95 07/18/06 60.40 59.25
5,578.47 11/07/06 60.88 59.73
5,579.53 02/27/07 59.82 58.67
5,578.07 05/02/07 61.28 60.13
5,583.41 08/15/07 55.94 54.79
5,583.45 10/10/07 55.9 54.75
5,586.47 03/26/08 52.88 51.73
5,579.16 06/24/08 60.19 59.04
5,579.92 08/26/08 59.43 58.28
5,577.37 10/14/08 61.98 60.83
5,578.00 03/10/09 61.35 60.20
5,580.14 06/24/09 59.21 58.06
5,578.72 09/10/09 60.63 59.48
5,579.99 12/11/09 59.36 58.21
5,582.81 03/11/10 56.54 55.39
5,582.23 05/11/10 57.12 55.97
Water Levels and Data over Time
White Mesa Mill - Well TW4-21
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,627.83 5,629.00 1.17 113.5
5,571.89 07/29/05 57.11 55.94
5,572.20 08/30/05 56.80 55.63
5,572.08 09/12/05 56.92 55.75
5,571.61 12/07/05 57.39 56.22
5,571.85 03/08/06 57.15 55.98
5,571.62 06/13/06 57.38 56.21
5,571.42 07/18/06 57.58 56.41
5,571.02 11/07/06 57.98 56.81
5571.24 02/27/07 57.76 56.59
5,570.75 06/29/07 58.25 57.08
5,571.82 08/14/07 57.18 56.01
5,571.99 10/10/07 57.01 55.84
5,573.05 03/26/08 55.95 54.78
5,573.04 06/24/08 55.96 54.79
5,573.04 08/26/08 55.96 54.79
5,573.02 10/14/08 55.98 54.81
5,573.19 03/10/09 55.81 54.64
5,573.32 06/24/09 55.68 54.51
5,573.17 09/10/09 55.83 54.66
5,573.52 12/11/09 55.48 54.31
5,573.88 03/11/10 55.12 53.95
5,574.29 05/11/10 54.71 53.54
Water Levels and Data over Time
White Mesa Mill - Well TW4-22
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,627.83 5,629.00 1.17 113.5
5,560.52 09/13/07 68.48 67.31
5,560.43 10/10/07 68.57 67.40
5,560.88 11/30/07 68.12 66.95
5,561.12 12/11/07 67.88 66.71
5,560.82 01/08/08 68.18 67.01
5,561.07 02/18/08 67.93 66.76
5,561.17 03/26/08 67.83 66.66
5,561.34 04/23/08 67.66 66.49
5561.11 05/30/08 67.89 66.72
5,561.16 06/24/08 67.84 66.67
5,561.07 07/16/08 67.93 66.76
5,561.31 08/26/08 67.69 66.52
5,562.81 09/10/08 66.19 65.02
5,561.20 10/14/08 67.8 66.63
5,560.92 11/26/08 68.08 66.91
5,561.18 12/29/08 67.82 66.65
5,561.78 01/26/09 67.22 66.05
5,561.37 02/24/09 67.63 66.46
5,561.49 03/06/09 67.51 66.34
5,561.35 04/07/09 67.65 66.48
5,561.47 05/29/09 67.53 66.36
5,561.75 06/30/09 67.25 66.08
5,561.75 07/31/09 67.25 66.08
5,561.90 08/31/09 67.1 65.93
5,561.76 09/10/09 67.24 66.07
5,562.27 12/11/09 66.73 65.56
5,562.78 03/11/10 66.22 65.05
5,563.24 05/11/10 65.76 64.59
Water Levels and Data over Time
White Mesa Mill - Well TW4-23
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,627.83 5,625.70 -2.13 113.5
5,568.48 09/13/07 57.22 59.35
5,568.40 10/10/07 57.30 59.43
5,569.03 11/30/07 56.67 58.80
5,569.17 12/11/07 56.53 58.66
5,568.90 01/08/08 56.80 58.93
5,569.09 02/18/08 56.61 58.74
5,569.30 03/26/08 56.40 58.53
5,569.55 04/23/08 56.15 58.28
5569.39 05/30/08 56.31 58.44
5,569.21 06/24/08 56.49 58.62
5,569.15 07/16/08 56.55 58.68
5,569.21 08/26/08 56.49 58.62
5,569.10 09/10/08 56.60 58.73
5,568.99 10/14/08 56.71 58.84
5,568.82 11/26/08 56.88 59.01
5,568.79 12/29/08 56.91 59.04
5,569.52 01/26/09 56.18 58.31
5,569.18 02/24/09 56.52 58.65
5,569.24 03/06/09 56.46 58.59
5,569.08 04/07/09 56.62 58.75
5,569.10 05/29/09 56.60 58.73
5,569.29 06/30/09 56.41 58.54
5,569.25 07/31/09 56.45 58.58
5,569.35 08/31/09 56.35 58.48
5,569.15 09/10/09 56.55 58.68
5,569.51 12/11/09 56.19 58.32
5,569.73 03/11/10 55.97 58.10
5,569.78 05/11/10 55.92 58.05
Water Levels and Data over Time
White Mesa Mill - Well TW4-24
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,627.83 5,644.91 17.08 113.5
5,601.86 09/13/07 43.05 25.97
5,601.89 10/10/07 43.02 25.94
5,602.57 11/30/07 42.34 25.26
5,602.82 12/11/07 42.09 25.01
5,601.94 01/08/08 42.97 25.89
5,599.13 02/18/08 45.78 28.70
5,597.11 03/26/08 47.80 30.72
5,595.51 04/23/08 49.40 32.32
5594.42 05/30/08 50.49 33.41
5,594.26 06/24/08 50.65 33.57
5,586.67 07/16/08 58.24 41.16
5,594.17 08/26/08 50.74 33.66
5,594.23 09/10/08 50.68 33.60
5,594.12 10/14/08 50.79 33.71
5,594.06 11/26/08 50.85 33.77
5,594.87 12/29/08 50.04 32.96
5,595.89 01/26/09 49.02 31.94
5,596.27 02/24/09 48.64 31.56
5,596.47 03/06/09 48.44 31.36
5,596.74 04/07/09 48.17 31.09
5,597.55 05/29/09 47.36 30.28
5,598.11 06/30/09 46.8 29.72
5,598.22 07/31/09 46.69 29.61
5,598.52 08/31/09 46.39 29.31
5,598.49 09/10/09 46.42 29.34
5,599.48 12/11/09 45.43 28.35
5,599.75 03/11/10 45.16 28.08
5,599.63 05/11/10 45.28 28.20
Water Levels and Data over Time
White Mesa Mill - Well TW4-25
Water
Elevation
(WL)
Land
Surface
(LSD)
Measuring
Point
Elevation
(MP)
Length Of
Riser (L)
Date Of
Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth Of
Well
5,599.98 5,601.68 1.70 86
5,536.90 06/14/10 64.78 63.08
Water Levels and Data over Time
White Mesa Mill - Well TW4-26

Tab H
Laboratory Analytical Reports

LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-003
Client Sample ID:MW-4
Collection Date:06/14/10 09:10
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 10:17 / lr1mg/L41Chloride A4500-Cl B
D 06/25/10 17:09 / ljl0.5mg/L5.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 07:07 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/22/10 19:36 / jlr100ug/L2100Chloroform SW8260B
06/23/10 07:07 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 07:07 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 07:07 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 07:07 / jlr70-130%REC111 Surr: Dibromofluoromethane SW8260B
S 06/23/10 07:07 / jlr80-120%REC122 Surr: p-Bromofluorobenzene SW8260B
06/23/10 07:07 / jlr80-120%REC103 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/23/10 10:17 / lr1mg/L41Chloride A4500-Cl B
D 06/25/10 17:09 / ljl0.5mg/L5.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 07:07 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/22/10 19:36 / jlr100ug/L2100Chloroform SW8260B
06/23/10 07:07 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 07:07 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 07:07 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 07:07 / jlr70-130%REC111 Surr: Dibromofluoromethane SW8260B
S 06/23/10 07:07 / jlr80-120%REC122 Surr: p-Bromofluorobenzene SW8260B
06/23/10 07:07 / jlr80-120%REC103 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/23/10 10:17 / lr1mg/L41Chloride A4500-Cl B
D 06/25/10 17:09 / ljl0.5mg/L5.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 07:07 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/22/10 19:36 / jlr100ug/L2100Chloroform SW8260B
06/23/10 07:07 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 07:07 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 07:07 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 07:07 / jlr70-130%REC111 Surr: Dibromofluoromethane SW8260B
S 06/23/10 07:07 / jlr80-120%REC122 Surr: p-Bromofluorobenzene SW8260B
06/23/10 07:07 / jlr80-120%REC103 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
D - RL increased due to sample matrix. S - Spike recovery outside of advisory limits.
Page 5 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-002
Client Sample ID:TW4-1
Collection Date:06/15/10 14:37
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 10:14 / lr1mg/L40Chloride A4500-Cl B
D 06/25/10 17:07 / ljl0.5mg/L6.8Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 06:30 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/22/10 19:00 / jlr100ug/L1600Chloroform SW8260B
06/23/10 06:30 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 06:30 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 06:30 / jlr80-120%REC109 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 06:30 / jlr70-130%REC108 Surr: Dibromofluoromethane SW8260B
S 06/23/10 06:30 / jlr80-120%REC124 Surr: p-Bromofluorobenzene SW8260B
06/23/10 06:30 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/23/10 10:14 / lr1mg/L40Chloride A4500-Cl B
D 06/25/10 17:07 / ljl0.5mg/L6.8Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 06:30 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/22/10 19:00 / jlr100ug/L1600Chloroform SW8260B
06/23/10 06:30 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 06:30 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 06:30 / jlr80-120%REC109 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 06:30 / jlr70-130%REC108 Surr: Dibromofluoromethane SW8260B
S 06/23/10 06:30 / jlr80-120%REC124 Surr: p-Bromofluorobenzene SW8260B
06/23/10 06:30 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/23/10 10:14 / lr1mg/L40Chloride A4500-Cl B
D 06/25/10 17:07 / ljl0.5mg/L6.8Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 06:30 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/22/10 19:00 / jlr100ug/L1600Chloroform SW8260B
06/23/10 06:30 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 06:30 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 06:30 / jlr80-120%REC109 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 06:30 / jlr70-130%REC108 Surr: Dibromofluoromethane SW8260B
S 06/23/10 06:30 / jlr80-120%REC124 Surr: p-Bromofluorobenzene SW8260B
06/23/10 06:30 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
D - RL increased due to sample matrix. S - Spike recovery outside of advisory limits.
Page 4 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-001
Client Sample ID:TW4-1R
Collection Date:06/14/10 08:32
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 10:12 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:04 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 18:19 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 18:19 / jlr1.0ug/L34Chloroform SW8260B
06/23/10 18:19 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 18:19 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 18:19 / jlr80-120%REC106 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 18:19 / jlr70-130%REC89.0 Surr: Dibromofluoromethane SW8260B
06/23/10 18:19 / jlr80-120%REC90.0 Surr: p-Bromofluorobenzene SW8260B
06/23/10 18:19 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 10:12 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:04 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 18:19 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 18:19 / jlr1.0ug/L34Chloroform SW8260B
06/23/10 18:19 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 18:19 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 18:19 / jlr80-120%REC106 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 18:19 / jlr70-130%REC89.0 Surr: Dibromofluoromethane SW8260B
06/23/10 18:19 / jlr80-120%REC90.0 Surr: p-Bromofluorobenzene SW8260B
06/23/10 18:19 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 10:12 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:04 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 18:19 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 18:19 / jlr1.0ug/L34Chloroform SW8260B
06/23/10 18:19 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 18:19 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 18:19 / jlr80-120%REC106 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 18:19 / jlr70-130%REC89.0 Surr: Dibromofluoromethane SW8260B
06/23/10 18:19 / jlr80-120%REC90.0 Surr: p-Bromofluorobenzene SW8260B
06/23/10 18:19 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
Page 3 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-007
Client Sample ID:TW4-2
Collection Date:06/15/10 14:25
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 10:58 / lr1mg/L43Chloride A4500-Cl B
D 06/25/10 17:27 / ljl0.5mg/L6.7Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 08:18 / jlr1.0ug/L2.6Carbon tetrachloride SW8260B
06/22/10 20:47 / jlr100ug/L3300Chloroform SW8260B
06/23/10 08:18 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 08:18 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 08:18 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 08:18 / jlr70-130%REC113 Surr: Dibromofluoromethane SW8260B
S 06/23/10 08:18 / jlr80-120%REC125 Surr: p-Bromofluorobenzene SW8260B
06/23/10 08:18 / jlr80-120%REC104 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/23/10 10:58 / lr1mg/L43Chloride A4500-Cl B
D 06/25/10 17:27 / ljl0.5mg/L6.7Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 08:18 / jlr1.0ug/L2.6Carbon tetrachloride SW8260B
06/22/10 20:47 / jlr100ug/L3300Chloroform SW8260B
06/23/10 08:18 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 08:18 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 08:18 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 08:18 / jlr70-130%REC113 Surr: Dibromofluoromethane SW8260B
S 06/23/10 08:18 / jlr80-120%REC125 Surr: p-Bromofluorobenzene SW8260B
06/23/10 08:18 / jlr80-120%REC104 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/23/10 10:58 / lr1mg/L43Chloride A4500-Cl B
D 06/25/10 17:27 / ljl0.5mg/L6.7Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 08:18 / jlr1.0ug/L2.6Carbon tetrachloride SW8260B
06/22/10 20:47 / jlr100ug/L3300Chloroform SW8260B
06/23/10 08:18 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 08:18 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 08:18 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 08:18 / jlr70-130%REC113 Surr: Dibromofluoromethane SW8260B
S 06/23/10 08:18 / jlr80-120%REC125 Surr: p-Bromofluorobenzene SW8260B
06/23/10 08:18 / jlr80-120%REC104 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
D - RL increased due to sample matrix. S - Spike recovery outside of advisory limits.
Page 9 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-006
Client Sample ID:TW4-2R
Collection Date:06/14/10 10:36
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 10:55 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:24 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 19:34 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 19:34 / jlr1.0ug/L41Chloroform SW8260B
06/23/10 19:34 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 19:34 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 19:34 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 19:34 / jlr70-130%REC83.0 Surr: Dibromofluoromethane SW8260B
06/23/10 19:34 / jlr80-120%REC90.0 Surr: p-Bromofluorobenzene SW8260B
06/23/10 19:34 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 10:55 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:24 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 19:34 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 19:34 / jlr1.0ug/L41Chloroform SW8260B
06/23/10 19:34 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 19:34 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 19:34 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 19:34 / jlr70-130%REC83.0 Surr: Dibromofluoromethane SW8260B
06/23/10 19:34 / jlr80-120%REC90.0 Surr: p-Bromofluorobenzene SW8260B
06/23/10 19:34 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 10:55 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:24 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 19:34 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 19:34 / jlr1.0ug/L41Chloroform SW8260B
06/23/10 19:34 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 19:34 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 19:34 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 19:34 / jlr70-130%REC83.0 Surr: Dibromofluoromethane SW8260B
06/23/10 19:34 / jlr80-120%REC90.0 Surr: p-Bromofluorobenzene SW8260B
06/23/10 19:34 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
Page 8 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-011
Client Sample ID:TW4-3
Collection Date:06/08/10 13:20
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:38 / lr1mg/L24Chloride A4500-Cl B
D 06/21/10 14:23 / ljl0.5mg/L3.0Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 15:37 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 15:37 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 15:37 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 15:37 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 15:37 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 15:37 / jlr70-130%REC103 Surr: Dibromofluoromethane SW8260B
06/16/10 15:37 / jlr80-120%REC105 Surr: p-Bromofluorobenzene SW8260B
06/16/10 15:37 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:38 / lr1mg/L24Chloride A4500-Cl B
D 06/21/10 14:23 / ljl0.5mg/L3.0Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 15:37 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 15:37 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 15:37 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 15:37 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 15:37 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 15:37 / jlr70-130%REC103 Surr: Dibromofluoromethane SW8260B
06/16/10 15:37 / jlr80-120%REC105 Surr: p-Bromofluorobenzene SW8260B
06/16/10 15:37 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:38 / lr1mg/L24Chloride A4500-Cl B
D 06/21/10 14:23 / ljl0.5mg/L3.0Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 15:37 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 15:37 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 15:37 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 15:37 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 15:37 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 15:37 / jlr70-130%REC103 Surr: Dibromofluoromethane SW8260B
06/16/10 15:37 / jlr80-120%REC105 Surr: p-Bromofluorobenzene SW8260B
06/16/10 15:37 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 14 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-001
Client Sample ID:TW4-3R
Collection Date:06/07/10 08:57
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:11 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:36 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 20:06 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 20:06 / rmh1.0ug/L13Chloroform SW8260B
06/15/10 20:06 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 20:06 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 20:06 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 20:06 / rmh70-130%REC101 Surr: Dibromofluoromethane SW8260B
06/15/10 20:06 / rmh80-120%REC119 Surr: p-Bromofluorobenzene SW8260B
06/15/10 20:06 / rmh80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:11 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:36 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 20:06 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 20:06 / rmh1.0ug/L13Chloroform SW8260B
06/15/10 20:06 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 20:06 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 20:06 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 20:06 / rmh70-130%REC101 Surr: Dibromofluoromethane SW8260B
06/15/10 20:06 / rmh80-120%REC119 Surr: p-Bromofluorobenzene SW8260B
06/15/10 20:06 / rmh80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:11 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:36 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 20:06 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 20:06 / rmh1.0ug/L13Chloroform SW8260B
06/15/10 20:06 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 20:06 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 20:06 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 20:06 / rmh70-130%REC101 Surr: Dibromofluoromethane SW8260B
06/15/10 20:06 / rmh80-120%REC119 Surr: p-Bromofluorobenzene SW8260B
06/15/10 20:06 / rmh80-120%REC100 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 4 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-030
Client Sample ID:TW4-4
Collection Date:06/10/10 09:15
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:35 / lr1mg/L35Chloride A4500-Cl B
D 06/21/10 15:43 / ljl0.5mg/L7.6Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 19:13 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/18/10 18:35 / jlr100ug/L2000Chloroform SW8260B
06/18/10 19:13 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 19:13 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 19:13 / jlr80-120%REC96.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 19:13 / jlr70-130%REC87.0 Surr: Dibromofluoromethane SW8260B
06/18/10 19:13 / jlr80-120%REC88.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 19:13 / jlr80-120%REC94.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:35 / lr1mg/L35Chloride A4500-Cl B
D 06/21/10 15:43 / ljl0.5mg/L7.6Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 19:13 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/18/10 18:35 / jlr100ug/L2000Chloroform SW8260B
06/18/10 19:13 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 19:13 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 19:13 / jlr80-120%REC96.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 19:13 / jlr70-130%REC87.0 Surr: Dibromofluoromethane SW8260B
06/18/10 19:13 / jlr80-120%REC88.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 19:13 / jlr80-120%REC94.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:35 / lr1mg/L35Chloride A4500-Cl B
D 06/21/10 15:43 / ljl0.5mg/L7.6Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 19:13 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/18/10 18:35 / jlr100ug/L2000Chloroform SW8260B
06/18/10 19:13 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 19:13 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 19:13 / jlr80-120%REC96.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 19:13 / jlr70-130%REC87.0 Surr: Dibromofluoromethane SW8260B
06/18/10 19:13 / jlr80-120%REC88.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 19:13 / jlr80-120%REC94.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 33 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-031
Client Sample ID:TW4-5
Collection Date:06/09/10 10:51
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:36 / lr1mg/L28Chloride A4500-Cl B
D 06/21/10 16:53 / ljl0.5mg/L7.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 15:28 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 15:28 / jlr1.0ug/L12Chloroform SW8260B
06/18/10 15:28 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 15:28 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 15:28 / jlr80-120%REC105 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 15:28 / jlr70-130%REC83.0 Surr: Dibromofluoromethane SW8260B
06/18/10 15:28 / jlr80-120%REC94.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 15:28 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:36 / lr1mg/L28Chloride A4500-Cl B
D 06/21/10 16:53 / ljl0.5mg/L7.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 15:28 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 15:28 / jlr1.0ug/L12Chloroform SW8260B
06/18/10 15:28 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 15:28 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 15:28 / jlr80-120%REC105 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 15:28 / jlr70-130%REC83.0 Surr: Dibromofluoromethane SW8260B
06/18/10 15:28 / jlr80-120%REC94.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 15:28 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:36 / lr1mg/L28Chloride A4500-Cl B
D 06/21/10 16:53 / ljl0.5mg/L7.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 15:28 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 15:28 / jlr1.0ug/L12Chloroform SW8260B
06/18/10 15:28 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 15:28 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 15:28 / jlr80-120%REC105 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 15:28 / jlr70-130%REC83.0 Surr: Dibromofluoromethane SW8260B
06/18/10 15:28 / jlr80-120%REC94.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 15:28 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 34 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-021
Client Sample ID:TW4-5R
Collection Date:06/08/10 13:15
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:15 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:03 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 01:37 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 01:37 / jlr1.0ug/L5.1Chloroform SW8260B
06/17/10 01:37 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 01:37 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 01:37 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 01:37 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/17/10 01:37 / jlr80-120%REC103 Surr: p-Bromofluorobenzene SW8260B
06/17/10 01:37 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:15 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:03 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 01:37 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 01:37 / jlr1.0ug/L5.1Chloroform SW8260B
06/17/10 01:37 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 01:37 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 01:37 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 01:37 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/17/10 01:37 / jlr80-120%REC103 Surr: p-Bromofluorobenzene SW8260B
06/17/10 01:37 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:15 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:03 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 01:37 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 01:37 / jlr1.0ug/L5.1Chloroform SW8260B
06/17/10 01:37 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 01:37 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 01:37 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 01:37 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/17/10 01:37 / jlr80-120%REC103 Surr: p-Bromofluorobenzene SW8260B
06/17/10 01:37 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 24 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-036
Client Sample ID:TW4-6
Collection Date:06/10/10 08:15
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:44 / lr1mg/L33Chloride A4500-Cl B
D 06/21/10 16:03 / ljl0.2mg/L2.5Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 16:42 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 17:13 / jlr100ug/L590Chloroform SW8260B
06/18/10 16:42 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 16:42 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 16:42 / jlr80-120%REC99.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 16:42 / jlr70-130%REC81.0 Surr: Dibromofluoromethane SW8260B
06/18/10 16:42 / jlr80-120%REC95.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 16:42 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:44 / lr1mg/L33Chloride A4500-Cl B
D 06/21/10 16:03 / ljl0.2mg/L2.5Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 16:42 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 17:13 / jlr100ug/L590Chloroform SW8260B
06/18/10 16:42 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 16:42 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 16:42 / jlr80-120%REC99.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 16:42 / jlr70-130%REC81.0 Surr: Dibromofluoromethane SW8260B
06/18/10 16:42 / jlr80-120%REC95.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 16:42 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:44 / lr1mg/L33Chloride A4500-Cl B
D 06/21/10 16:03 / ljl0.2mg/L2.5Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 16:42 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 17:13 / jlr100ug/L590Chloroform SW8260B
06/18/10 16:42 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 16:42 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 16:42 / jlr80-120%REC99.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 16:42 / jlr70-130%REC81.0 Surr: Dibromofluoromethane SW8260B
06/18/10 16:42 / jlr80-120%REC95.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 16:42 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 39 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-028
Client Sample ID:TW4-6R
Collection Date:06/09/10 13:16
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:31 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:28 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 14:12 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 14:12 / jlr1.0ug/L6.2Chloroform SW8260B
06/18/10 14:12 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 14:12 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 14:12 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
S 06/18/10 14:12 / jlr70-130%REC62.0 Surr: Dibromofluoromethane SW8260B
06/18/10 14:12 / jlr80-120%REC90.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 14:12 / jlr80-120%REC95.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:31 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:28 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 14:12 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 14:12 / jlr1.0ug/L6.2Chloroform SW8260B
06/18/10 14:12 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 14:12 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 14:12 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
S 06/18/10 14:12 / jlr70-130%REC62.0 Surr: Dibromofluoromethane SW8260B
06/18/10 14:12 / jlr80-120%REC90.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 14:12 / jlr80-120%REC95.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:31 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:28 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 14:12 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 14:12 / jlr1.0ug/L6.2Chloroform SW8260B
06/18/10 14:12 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 14:12 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 14:12 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
S 06/18/10 14:12 / jlr70-130%REC62.0 Surr: Dibromofluoromethane SW8260B
06/18/10 14:12 / jlr80-120%REC90.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 14:12 / jlr80-120%REC95.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
S - Spike recovery outside of advisory limits.
Page 31 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-037
Client Sample ID:TW4-7
Collection Date:06/10/10 08:05
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:45 / lr1mg/L31Chloride A4500-Cl B
D 06/21/10 16:06 / ljl0.5mg/L3.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 17:20 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 17:51 / jlr100ug/L1100Chloroform SW8260B
06/18/10 17:20 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 17:20 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 17:20 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 17:20 / jlr70-130%REC79.0 Surr: Dibromofluoromethane SW8260B
06/18/10 17:20 / jlr80-120%REC98.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 17:20 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:45 / lr1mg/L31Chloride A4500-Cl B
D 06/21/10 16:06 / ljl0.5mg/L3.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 17:20 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 17:51 / jlr100ug/L1100Chloroform SW8260B
06/18/10 17:20 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 17:20 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 17:20 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 17:20 / jlr70-130%REC79.0 Surr: Dibromofluoromethane SW8260B
06/18/10 17:20 / jlr80-120%REC98.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 17:20 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:45 / lr1mg/L31Chloride A4500-Cl B
D 06/21/10 16:06 / ljl0.5mg/L3.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 17:20 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 17:51 / jlr100ug/L1100Chloroform SW8260B
06/18/10 17:20 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 17:20 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 17:20 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 17:20 / jlr70-130%REC79.0 Surr: Dibromofluoromethane SW8260B
06/18/10 17:20 / jlr80-120%REC98.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 17:20 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 40 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-029
Client Sample ID:TW4-7R
Collection Date:06/09/10 14:10
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:33 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:31 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 14:50 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 14:50 / jlr1.0ug/L39Chloroform SW8260B
06/18/10 14:50 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 14:50 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 14:50 / jlr80-120%REC93.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 14:50 / jlr70-130%REC73.0 Surr: Dibromofluoromethane SW8260B
06/18/10 14:50 / jlr80-120%REC95.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 14:50 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:33 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:31 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 14:50 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 14:50 / jlr1.0ug/L39Chloroform SW8260B
06/18/10 14:50 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 14:50 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 14:50 / jlr80-120%REC93.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 14:50 / jlr70-130%REC73.0 Surr: Dibromofluoromethane SW8260B
06/18/10 14:50 / jlr80-120%REC95.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 14:50 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:33 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:31 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 14:50 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 14:50 / jlr1.0ug/L39Chloroform SW8260B
06/18/10 14:50 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 14:50 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 14:50 / jlr80-120%REC93.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 14:50 / jlr70-130%REC73.0 Surr: Dibromofluoromethane SW8260B
06/18/10 14:50 / jlr80-120%REC95.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 14:50 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 32 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-017
Client Sample ID:TW4-8
Collection Date:06/09/10 11:20
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:53 / lr1mg/L42Chloride A4500-Cl B
06/21/10 14:46 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 23:15 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 23:15 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 23:15 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 23:15 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 23:15 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 23:15 / jlr70-130%REC106 Surr: Dibromofluoromethane SW8260B
06/16/10 23:15 / jlr80-120%REC99.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 23:15 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:53 / lr1mg/L42Chloride A4500-Cl B
06/21/10 14:46 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 23:15 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 23:15 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 23:15 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 23:15 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 23:15 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 23:15 / jlr70-130%REC106 Surr: Dibromofluoromethane SW8260B
06/16/10 23:15 / jlr80-120%REC99.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 23:15 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:53 / lr1mg/L42Chloride A4500-Cl B
06/21/10 14:46 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 23:15 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 23:15 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 23:15 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 23:15 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 23:15 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 23:15 / jlr70-130%REC106 Surr: Dibromofluoromethane SW8260B
06/16/10 23:15 / jlr80-120%REC99.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 23:15 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 20 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-007
Client Sample ID:TW4-8R
Collection Date:06/08/10 08:10
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:18 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:08 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 19:30 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 19:30 / rmh1.0ug/L4.6Chloroform SW8260B
06/15/10 19:30 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 19:30 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 19:30 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 19:30 / rmh70-130%REC99.0 Surr: Dibromofluoromethane SW8260B
06/15/10 19:30 / rmh80-120%REC120 Surr: p-Bromofluorobenzene SW8260B
06/15/10 19:30 / rmh80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:18 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:08 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 19:30 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 19:30 / rmh1.0ug/L4.6Chloroform SW8260B
06/15/10 19:30 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 19:30 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 19:30 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 19:30 / rmh70-130%REC99.0 Surr: Dibromofluoromethane SW8260B
06/15/10 19:30 / rmh80-120%REC120 Surr: p-Bromofluorobenzene SW8260B
06/15/10 19:30 / rmh80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:18 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:08 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 19:30 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 19:30 / rmh1.0ug/L4.6Chloroform SW8260B
06/15/10 19:30 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 19:30 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 19:30 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 19:30 / rmh70-130%REC99.0 Surr: Dibromofluoromethane SW8260B
06/15/10 19:30 / rmh80-120%REC120 Surr: p-Bromofluorobenzene SW8260B
06/15/10 19:30 / rmh80-120%REC101 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 10 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-018
Client Sample ID:TW4-9
Collection Date:06/09/10 11:06
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:06 / lr1mg/L33Chloride A4500-Cl B
D 06/21/10 14:48 / ljl0.2mg/L1.5Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 23:50 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 23:50 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 23:50 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 23:50 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 23:50 / jlr80-120%REC106 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 23:50 / jlr70-130%REC106 Surr: Dibromofluoromethane SW8260B
06/16/10 23:50 / jlr80-120%REC101 Surr: p-Bromofluorobenzene SW8260B
06/16/10 23:50 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:06 / lr1mg/L33Chloride A4500-Cl B
D 06/21/10 14:48 / ljl0.2mg/L1.5Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 23:50 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 23:50 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 23:50 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 23:50 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 23:50 / jlr80-120%REC106 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 23:50 / jlr70-130%REC106 Surr: Dibromofluoromethane SW8260B
06/16/10 23:50 / jlr80-120%REC101 Surr: p-Bromofluorobenzene SW8260B
06/16/10 23:50 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:06 / lr1mg/L33Chloride A4500-Cl B
D 06/21/10 14:48 / ljl0.2mg/L1.5Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 23:50 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 23:50 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 23:50 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 23:50 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 23:50 / jlr80-120%REC106 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 23:50 / jlr70-130%REC106 Surr: Dibromofluoromethane SW8260B
06/16/10 23:50 / jlr80-120%REC101 Surr: p-Bromofluorobenzene SW8260B
06/16/10 23:50 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 21 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-008
Client Sample ID:TW4-9R
Collection Date:06/08/10 09:04
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:23 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:11 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 13:52 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 13:52 / jlr1.0ug/L4.0Chloroform SW8260B
06/16/10 13:52 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 13:52 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 13:52 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 13:52 / jlr70-130%REC91.0 Surr: Dibromofluoromethane SW8260B
06/16/10 13:52 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/16/10 13:52 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:23 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:11 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 13:52 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 13:52 / jlr1.0ug/L4.0Chloroform SW8260B
06/16/10 13:52 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 13:52 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 13:52 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 13:52 / jlr70-130%REC91.0 Surr: Dibromofluoromethane SW8260B
06/16/10 13:52 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/16/10 13:52 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:23 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:11 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 13:52 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 13:52 / jlr1.0ug/L4.0Chloroform SW8260B
06/16/10 13:52 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 13:52 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 13:52 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 13:52 / jlr70-130%REC91.0 Surr: Dibromofluoromethane SW8260B
06/16/10 13:52 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/16/10 13:52 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 11 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-034
Client Sample ID:TW4-10
Collection Date:06/10/10 07:55
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:42 / lr1mg/L42Chloride A4500-Cl B
D 06/21/10 15:56 / ljl0.2mg/L1.6Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/19/10 01:33 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/22/10 17:49 / jlr20ug/L220Chloroform SW8260B
06/19/10 01:33 / jlr1.0ug/LNDChloromethane SW8260B
06/19/10 01:33 / jlr1.0ug/LNDMethylene chloride SW8260B
06/19/10 01:33 / jlr80-120%REC112 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/19/10 01:33 / jlr70-130%REC111 Surr: Dibromofluoromethane SW8260B
06/19/10 01:33 / jlr80-120%REC88.0 Surr: p-Bromofluorobenzene SW8260B
06/19/10 01:33 / jlr80-120%REC89.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 20 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:42 / lr1mg/L42Chloride A4500-Cl B
D 06/21/10 15:56 / ljl0.2mg/L1.6Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/19/10 01:33 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/22/10 17:49 / jlr20ug/L220Chloroform SW8260B
06/19/10 01:33 / jlr1.0ug/LNDChloromethane SW8260B
06/19/10 01:33 / jlr1.0ug/LNDMethylene chloride SW8260B
06/19/10 01:33 / jlr80-120%REC112 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/19/10 01:33 / jlr70-130%REC111 Surr: Dibromofluoromethane SW8260B
06/19/10 01:33 / jlr80-120%REC88.0 Surr: p-Bromofluorobenzene SW8260B
06/19/10 01:33 / jlr80-120%REC89.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 20 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:42 / lr1mg/L42Chloride A4500-Cl B
D 06/21/10 15:56 / ljl0.2mg/L1.6Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/19/10 01:33 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/22/10 17:49 / jlr20ug/L220Chloroform SW8260B
06/19/10 01:33 / jlr1.0ug/LNDChloromethane SW8260B
06/19/10 01:33 / jlr1.0ug/LNDMethylene chloride SW8260B
06/19/10 01:33 / jlr80-120%REC112 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/19/10 01:33 / jlr70-130%REC111 Surr: Dibromofluoromethane SW8260B
06/19/10 01:33 / jlr80-120%REC88.0 Surr: p-Bromofluorobenzene SW8260B
06/19/10 01:33 / jlr80-120%REC89.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 20 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 37 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-024
Client Sample ID:TW4-10R
Collection Date:06/09/10 09:51
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:27 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:11 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 02:48 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 02:48 / jlr1.0ug/L6.1Chloroform SW8260B
06/17/10 02:48 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 02:48 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 02:48 / jlr80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 02:48 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 02:48 / jlr80-120%REC100 Surr: p-Bromofluorobenzene SW8260B
06/17/10 02:48 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:27 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:11 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 02:48 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 02:48 / jlr1.0ug/L6.1Chloroform SW8260B
06/17/10 02:48 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 02:48 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 02:48 / jlr80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 02:48 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 02:48 / jlr80-120%REC100 Surr: p-Bromofluorobenzene SW8260B
06/17/10 02:48 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:27 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:11 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 02:48 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 02:48 / jlr1.0ug/L6.1Chloroform SW8260B
06/17/10 02:48 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 02:48 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 02:48 / jlr80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 02:48 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 02:48 / jlr80-120%REC100 Surr: p-Bromofluorobenzene SW8260B
06/17/10 02:48 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 27 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-035
Client Sample ID:TW4-11
Collection Date:06/10/10 08:36
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:43 / lr1mg/L40Chloride A4500-Cl B
D 06/21/10 16:01 / ljl0.5mg/L6.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 16:05 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 16:36 / jlr100ug/L820Chloroform SW8260B
06/18/10 16:05 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 16:05 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 16:05 / jlr80-120%REC105 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 16:05 / jlr70-130%REC84.0 Surr: Dibromofluoromethane SW8260B
06/18/10 16:05 / jlr80-120%REC99.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 16:05 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:43 / lr1mg/L40Chloride A4500-Cl B
D 06/21/10 16:01 / ljl0.5mg/L6.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 16:05 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 16:36 / jlr100ug/L820Chloroform SW8260B
06/18/10 16:05 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 16:05 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 16:05 / jlr80-120%REC105 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 16:05 / jlr70-130%REC84.0 Surr: Dibromofluoromethane SW8260B
06/18/10 16:05 / jlr80-120%REC99.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 16:05 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:43 / lr1mg/L40Chloride A4500-Cl B
D 06/21/10 16:01 / ljl0.5mg/L6.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 16:05 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 16:36 / jlr100ug/L820Chloroform SW8260B
06/18/10 16:05 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 16:05 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 16:05 / jlr80-120%REC105 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 16:05 / jlr70-130%REC84.0 Surr: Dibromofluoromethane SW8260B
06/18/10 16:05 / jlr80-120%REC99.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 16:05 / jlr80-120%REC98.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 38 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-026
Client Sample ID:TW4-11R
Collection Date:06/09/10 10:52
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:24 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:23 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 03:23 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 03:23 / jlr1.0ug/L5.8Chloroform SW8260B
06/17/10 03:23 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 03:23 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 03:23 / jlr80-120%REC100 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 03:23 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 03:23 / jlr80-120%REC97.0 Surr: p-Bromofluorobenzene SW8260B
06/17/10 03:23 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:24 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:23 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 03:23 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 03:23 / jlr1.0ug/L5.8Chloroform SW8260B
06/17/10 03:23 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 03:23 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 03:23 / jlr80-120%REC100 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 03:23 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 03:23 / jlr80-120%REC97.0 Surr: p-Bromofluorobenzene SW8260B
06/17/10 03:23 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:24 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:23 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 03:23 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 03:23 / jlr1.0ug/L5.8Chloroform SW8260B
06/17/10 03:23 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 03:23 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 03:23 / jlr80-120%REC100 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 03:23 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 03:23 / jlr80-120%REC97.0 Surr: p-Bromofluorobenzene SW8260B
06/17/10 03:23 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 29 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-012
Client Sample ID:TW4-12
Collection Date:06/08/10 14:32
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:40 / lr1mg/L29Chloride A4500-Cl B
D 06/21/10 14:26 / ljl1mg/L11Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 16:13 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 16:13 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 16:13 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 16:13 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 16:13 / jlr80-120%REC109 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 16:13 / jlr70-130%REC106 Surr: Dibromofluoromethane SW8260B
06/16/10 16:13 / jlr80-120%REC106 Surr: p-Bromofluorobenzene SW8260B
06/16/10 16:13 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:40 / lr1mg/L29Chloride A4500-Cl B
D 06/21/10 14:26 / ljl1mg/L11Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 16:13 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 16:13 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 16:13 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 16:13 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 16:13 / jlr80-120%REC109 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 16:13 / jlr70-130%REC106 Surr: Dibromofluoromethane SW8260B
06/16/10 16:13 / jlr80-120%REC106 Surr: p-Bromofluorobenzene SW8260B
06/16/10 16:13 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:40 / lr1mg/L29Chloride A4500-Cl B
D 06/21/10 14:26 / ljl1mg/L11Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 16:13 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 16:13 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 16:13 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 16:13 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 16:13 / jlr80-120%REC109 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 16:13 / jlr70-130%REC106 Surr: Dibromofluoromethane SW8260B
06/16/10 16:13 / jlr80-120%REC106 Surr: p-Bromofluorobenzene SW8260B
06/16/10 16:13 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 15 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-002
Client Sample ID:TW4-12R
Collection Date:06/07/10 09:51
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:12 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:38 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 16:32 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 16:32 / rmh1.0ug/L19Chloroform SW8260B
06/15/10 16:32 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 16:32 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 16:32 / rmh80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 16:32 / rmh70-130%REC99.0 Surr: Dibromofluoromethane SW8260B
06/15/10 16:32 / rmh80-120%REC120 Surr: p-Bromofluorobenzene SW8260B
06/15/10 16:32 / rmh80-120%REC99.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:12 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:38 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 16:32 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 16:32 / rmh1.0ug/L19Chloroform SW8260B
06/15/10 16:32 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 16:32 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 16:32 / rmh80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 16:32 / rmh70-130%REC99.0 Surr: Dibromofluoromethane SW8260B
06/15/10 16:32 / rmh80-120%REC120 Surr: p-Bromofluorobenzene SW8260B
06/15/10 16:32 / rmh80-120%REC99.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:12 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:38 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 16:32 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 16:32 / rmh1.0ug/L19Chloroform SW8260B
06/15/10 16:32 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 16:32 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 16:32 / rmh80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 16:32 / rmh70-130%REC99.0 Surr: Dibromofluoromethane SW8260B
06/15/10 16:32 / rmh80-120%REC120 Surr: p-Bromofluorobenzene SW8260B
06/15/10 16:32 / rmh80-120%REC99.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 5 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-013
Client Sample ID:TW4-13
Collection Date:06/08/10 14:21
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:42 / lr1mg/L52Chloride A4500-Cl B
D 06/21/10 16:51 / ljl0.5mg/L5.2Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 16:48 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 16:48 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 16:48 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 16:48 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 16:48 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 16:48 / jlr70-130%REC108 Surr: Dibromofluoromethane SW8260B
06/16/10 16:48 / jlr80-120%REC103 Surr: p-Bromofluorobenzene SW8260B
06/16/10 16:48 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:42 / lr1mg/L52Chloride A4500-Cl B
D 06/21/10 16:51 / ljl0.5mg/L5.2Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 16:48 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 16:48 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 16:48 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 16:48 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 16:48 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 16:48 / jlr70-130%REC108 Surr: Dibromofluoromethane SW8260B
06/16/10 16:48 / jlr80-120%REC103 Surr: p-Bromofluorobenzene SW8260B
06/16/10 16:48 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:42 / lr1mg/L52Chloride A4500-Cl B
D 06/21/10 16:51 / ljl0.5mg/L5.2Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 16:48 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 16:48 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 16:48 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 16:48 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 16:48 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 16:48 / jlr70-130%REC108 Surr: Dibromofluoromethane SW8260B
06/16/10 16:48 / jlr80-120%REC103 Surr: p-Bromofluorobenzene SW8260B
06/16/10 16:48 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 16 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-003
Client Sample ID:TW4-13R
Collection Date:06/07/10 10:45
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:13 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:48 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 17:08 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 17:08 / rmh1.0ug/L16Chloroform SW8260B
06/15/10 17:08 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 17:08 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 17:08 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 17:08 / rmh70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/15/10 17:08 / rmh80-120%REC119 Surr: p-Bromofluorobenzene SW8260B
06/15/10 17:08 / rmh80-120%REC98.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:13 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:48 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 17:08 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 17:08 / rmh1.0ug/L16Chloroform SW8260B
06/15/10 17:08 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 17:08 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 17:08 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 17:08 / rmh70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/15/10 17:08 / rmh80-120%REC119 Surr: p-Bromofluorobenzene SW8260B
06/15/10 17:08 / rmh80-120%REC98.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:13 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:48 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 17:08 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 17:08 / rmh1.0ug/L16Chloroform SW8260B
06/15/10 17:08 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 17:08 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 17:08 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 17:08 / rmh70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/15/10 17:08 / rmh80-120%REC119 Surr: p-Bromofluorobenzene SW8260B
06/15/10 17:08 / rmh80-120%REC98.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 6 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-014
Client Sample ID:TW4-14
Collection Date:06/08/10 14:03
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:44 / lr1mg/L49Chloride A4500-Cl B
D 06/21/10 14:31 / ljl0.5mg/L2.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 17:23 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 17:23 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 17:23 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 17:23 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 17:23 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 17:23 / jlr70-130%REC109 Surr: Dibromofluoromethane SW8260B
06/16/10 17:23 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/16/10 17:23 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:44 / lr1mg/L49Chloride A4500-Cl B
D 06/21/10 14:31 / ljl0.5mg/L2.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 17:23 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 17:23 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 17:23 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 17:23 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 17:23 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 17:23 / jlr70-130%REC109 Surr: Dibromofluoromethane SW8260B
06/16/10 17:23 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/16/10 17:23 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:44 / lr1mg/L49Chloride A4500-Cl B
D 06/21/10 14:31 / ljl0.5mg/L2.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 17:23 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 17:23 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 17:23 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 17:23 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 17:23 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 17:23 / jlr70-130%REC109 Surr: Dibromofluoromethane SW8260B
06/16/10 17:23 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/16/10 17:23 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 17 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-004
Client Sample ID:TW4-14R
Collection Date:06/07/10 12:50
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:15 / lr1mg/LNDChloride A4500-Cl B
06/21/10 13:53 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 17:43 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 17:43 / rmh1.0ug/L5.0Chloroform SW8260B
06/15/10 17:43 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 17:43 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 17:43 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 17:43 / rmh70-130%REC101 Surr: Dibromofluoromethane SW8260B
06/15/10 17:43 / rmh80-120%REC118 Surr: p-Bromofluorobenzene SW8260B
06/15/10 17:43 / rmh80-120%REC102 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:15 / lr1mg/LNDChloride A4500-Cl B
06/21/10 13:53 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 17:43 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 17:43 / rmh1.0ug/L5.0Chloroform SW8260B
06/15/10 17:43 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 17:43 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 17:43 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 17:43 / rmh70-130%REC101 Surr: Dibromofluoromethane SW8260B
06/15/10 17:43 / rmh80-120%REC118 Surr: p-Bromofluorobenzene SW8260B
06/15/10 17:43 / rmh80-120%REC102 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:15 / lr1mg/LNDChloride A4500-Cl B
06/21/10 13:53 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 17:43 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 17:43 / rmh1.0ug/L5.0Chloroform SW8260B
06/15/10 17:43 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 17:43 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 17:43 / rmh80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 17:43 / rmh70-130%REC101 Surr: Dibromofluoromethane SW8260B
06/15/10 17:43 / rmh80-120%REC118 Surr: p-Bromofluorobenzene SW8260B
06/15/10 17:43 / rmh80-120%REC102 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 7 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-025
Client Sample ID:TW4-15
Collection Date:06/09/10 10:30
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:23 / lr1mg/L58Chloride A4500-Cl B
06/21/10 15:21 / ljl0.1mg/L1.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 04:34 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 03:58 / jlr100ug/L1900Chloroform SW8260B
06/17/10 04:34 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 04:34 / jlr1.0ug/L28Methylene chloride SW8260B
06/17/10 04:34 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 04:34 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 04:34 / jlr80-120%REC103 Surr: p-Bromofluorobenzene SW8260B
06/17/10 04:34 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:23 / lr1mg/L58Chloride A4500-Cl B
06/21/10 15:21 / ljl0.1mg/L1.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 04:34 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 03:58 / jlr100ug/L1900Chloroform SW8260B
06/17/10 04:34 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 04:34 / jlr1.0ug/L28Methylene chloride SW8260B
06/17/10 04:34 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 04:34 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 04:34 / jlr80-120%REC103 Surr: p-Bromofluorobenzene SW8260B
06/17/10 04:34 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:23 / lr1mg/L58Chloride A4500-Cl B
06/21/10 15:21 / ljl0.1mg/L1.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 04:34 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 03:58 / jlr100ug/L1900Chloroform SW8260B
06/17/10 04:34 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 04:34 / jlr1.0ug/L28Methylene chloride SW8260B
06/17/10 04:34 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 04:34 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 04:34 / jlr80-120%REC103 Surr: p-Bromofluorobenzene SW8260B
06/17/10 04:34 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 28 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-019
Client Sample ID:TW4-16
Collection Date:06/09/10 10:37
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:08 / lr1mg/L64Chloride A4500-Cl B
D 06/21/10 14:51 / ljl0.5mg/L4.7Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 00:25 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 00:25 / jlr1.0ug/L2.1Chloroform SW8260B
06/17/10 00:25 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 00:25 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 00:25 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 00:25 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 00:25 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/17/10 00:25 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:08 / lr1mg/L64Chloride A4500-Cl B
D 06/21/10 14:51 / ljl0.5mg/L4.7Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 00:25 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 00:25 / jlr1.0ug/L2.1Chloroform SW8260B
06/17/10 00:25 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 00:25 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 00:25 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 00:25 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 00:25 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/17/10 00:25 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:08 / lr1mg/L64Chloride A4500-Cl B
D 06/21/10 14:51 / ljl0.5mg/L4.7Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 00:25 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 00:25 / jlr1.0ug/L2.1Chloroform SW8260B
06/17/10 00:25 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 00:25 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 00:25 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 00:25 / jlr70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/17/10 00:25 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/17/10 00:25 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 22 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-009
Client Sample ID:TW4-16R
Collection Date:06/08/10 09:58
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:24 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:13 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 14:27 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 14:27 / jlr1.0ug/L4.0Chloroform SW8260B
06/16/10 14:27 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 14:27 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 14:27 / jlr80-120%REC100 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 14:27 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/16/10 14:27 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/16/10 14:27 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:24 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:13 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 14:27 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 14:27 / jlr1.0ug/L4.0Chloroform SW8260B
06/16/10 14:27 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 14:27 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 14:27 / jlr80-120%REC100 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 14:27 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/16/10 14:27 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/16/10 14:27 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:24 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:13 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 14:27 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 14:27 / jlr1.0ug/L4.0Chloroform SW8260B
06/16/10 14:27 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 14:27 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 14:27 / jlr80-120%REC100 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 14:27 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/16/10 14:27 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/16/10 14:27 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 12 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-010
Client Sample ID:TW4-17
Collection Date:06/14/10 12:40
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 11:05 / lr1mg/L32Chloride A4500-Cl B
06/25/10 17:42 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 05:17 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 05:17 / jlr1.0ug/LNDChloroform SW8260B
06/23/10 05:17 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 05:17 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 05:17 / jlr80-120%REC108 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 05:17 / jlr70-130%REC114 Surr: Dibromofluoromethane SW8260B
S 06/23/10 05:17 / jlr80-120%REC121 Surr: p-Bromofluorobenzene SW8260B
06/23/10 05:17 / jlr80-120%REC104 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 11:05 / lr1mg/L32Chloride A4500-Cl B
06/25/10 17:42 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 05:17 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 05:17 / jlr1.0ug/LNDChloroform SW8260B
06/23/10 05:17 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 05:17 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 05:17 / jlr80-120%REC108 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 05:17 / jlr70-130%REC114 Surr: Dibromofluoromethane SW8260B
S 06/23/10 05:17 / jlr80-120%REC121 Surr: p-Bromofluorobenzene SW8260B
06/23/10 05:17 / jlr80-120%REC104 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 11:05 / lr1mg/L32Chloride A4500-Cl B
06/25/10 17:42 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 05:17 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 05:17 / jlr1.0ug/LNDChloroform SW8260B
06/23/10 05:17 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 05:17 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 05:17 / jlr80-120%REC108 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 05:17 / jlr70-130%REC114 Surr: Dibromofluoromethane SW8260B
S 06/23/10 05:17 / jlr80-120%REC121 Surr: p-Bromofluorobenzene SW8260B
06/23/10 05:17 / jlr80-120%REC104 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
S - Spike recovery outside of advisory limits.
Page 12 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-032
Client Sample ID:TW4-18
Collection Date:06/09/10 10:02
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:37 / lr1mg/L35Chloride A4500-Cl B
D 06/22/10 16:17 / ljl1mg/L9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/19/10 02:11 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/19/10 02:11 / jlr1.0ug/L29Chloroform SW8260B
06/19/10 02:11 / jlr1.0ug/LNDChloromethane SW8260B
06/19/10 02:11 / jlr1.0ug/LNDMethylene chloride SW8260B
06/19/10 02:11 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/19/10 02:11 / jlr70-130%REC96.0 Surr: Dibromofluoromethane SW8260B
06/19/10 02:11 / jlr80-120%REC83.0 Surr: p-Bromofluorobenzene SW8260B
06/19/10 02:11 / jlr80-120%REC90.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:37 / lr1mg/L35Chloride A4500-Cl B
D 06/22/10 16:17 / ljl1mg/L9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/19/10 02:11 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/19/10 02:11 / jlr1.0ug/L29Chloroform SW8260B
06/19/10 02:11 / jlr1.0ug/LNDChloromethane SW8260B
06/19/10 02:11 / jlr1.0ug/LNDMethylene chloride SW8260B
06/19/10 02:11 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/19/10 02:11 / jlr70-130%REC96.0 Surr: Dibromofluoromethane SW8260B
06/19/10 02:11 / jlr80-120%REC83.0 Surr: p-Bromofluorobenzene SW8260B
06/19/10 02:11 / jlr80-120%REC90.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:37 / lr1mg/L35Chloride A4500-Cl B
D 06/22/10 16:17 / ljl1mg/L9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/19/10 02:11 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/19/10 02:11 / jlr1.0ug/L29Chloroform SW8260B
06/19/10 02:11 / jlr1.0ug/LNDChloromethane SW8260B
06/19/10 02:11 / jlr1.0ug/LNDMethylene chloride SW8260B
06/19/10 02:11 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/19/10 02:11 / jlr70-130%REC96.0 Surr: Dibromofluoromethane SW8260B
06/19/10 02:11 / jlr80-120%REC83.0 Surr: p-Bromofluorobenzene SW8260B
06/19/10 02:11 / jlr80-120%REC90.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 35 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-022
Client Sample ID:TW4-18R
Collection Date:06/08/10 14:02
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:17 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:06 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 05:45 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 05:45 / jlr1.0ug/L15Chloroform SW8260B
06/17/10 05:45 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 05:45 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 05:45 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 05:45 / jlr70-130%REC103 Surr: Dibromofluoromethane SW8260B
06/17/10 05:45 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/17/10 05:45 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:17 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:06 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 05:45 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 05:45 / jlr1.0ug/L15Chloroform SW8260B
06/17/10 05:45 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 05:45 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 05:45 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 05:45 / jlr70-130%REC103 Surr: Dibromofluoromethane SW8260B
06/17/10 05:45 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/17/10 05:45 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:17 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:06 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 05:45 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 05:45 / jlr1.0ug/L15Chloroform SW8260B
06/17/10 05:45 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 05:45 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 05:45 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 05:45 / jlr70-130%REC103 Surr: Dibromofluoromethane SW8260B
06/17/10 05:45 / jlr80-120%REC102 Surr: p-Bromofluorobenzene SW8260B
06/17/10 05:45 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 25 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-027
Client Sample ID:TW4-19
Collection Date:06/09/10 15:00
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:26 / lr1mg/L132Chloride A4500-Cl B
D 06/21/10 15:26 / ljl0.5mg/L4.4Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 18:33 / jlr1.0ug/L4.2Carbon tetrachloride SW8260B
06/16/10 17:58 / jlr100ug/L1800Chloroform SW8260B
06/16/10 18:33 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 18:33 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 18:33 / jlr80-120%REC108 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 18:33 / jlr70-130%REC109 Surr: Dibromofluoromethane SW8260B
06/16/10 18:33 / jlr80-120%REC106 Surr: p-Bromofluorobenzene SW8260B
06/16/10 18:33 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:26 / lr1mg/L132Chloride A4500-Cl B
D 06/21/10 15:26 / ljl0.5mg/L4.4Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 18:33 / jlr1.0ug/L4.2Carbon tetrachloride SW8260B
06/16/10 17:58 / jlr100ug/L1800Chloroform SW8260B
06/16/10 18:33 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 18:33 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 18:33 / jlr80-120%REC108 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 18:33 / jlr70-130%REC109 Surr: Dibromofluoromethane SW8260B
06/16/10 18:33 / jlr80-120%REC106 Surr: p-Bromofluorobenzene SW8260B
06/16/10 18:33 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:26 / lr1mg/L132Chloride A4500-Cl B
D 06/21/10 15:26 / ljl0.5mg/L4.4Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 18:33 / jlr1.0ug/L4.2Carbon tetrachloride SW8260B
06/16/10 17:58 / jlr100ug/L1800Chloroform SW8260B
06/16/10 18:33 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 18:33 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 18:33 / jlr80-120%REC108 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 18:33 / jlr70-130%REC109 Surr: Dibromofluoromethane SW8260B
06/16/10 18:33 / jlr80-120%REC106 Surr: p-Bromofluorobenzene SW8260B
06/16/10 18:33 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 30 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-008
Client Sample ID:TW4-20
Collection Date:06/14/10 13:10
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 11:00 / lr1mg/L200Chloride A4500-Cl B
D 06/25/10 17:29 / ljl0.5mg/L5.6Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/24/10 08:54 / jlr1.0ug/L11Carbon tetrachloride SW8260B
06/22/10 21:23 / jlr1000ug/L18000Chloroform SW8260B
06/24/10 08:54 / jlr1.0ug/LNDChloromethane SW8260B
06/24/10 08:54 / jlr1.0ug/L3.7Methylene chloride SW8260B
06/24/10 08:54 / jlr80-120%REC112 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/24/10 08:54 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/24/10 08:54 / jlr80-120%REC95.0 Surr: p-Bromofluorobenzene SW8260B
06/24/10 08:54 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 1000 times dilution to bring the response into calibration range.
MAJOR IONS
06/23/10 11:00 / lr1mg/L200Chloride A4500-Cl B
D 06/25/10 17:29 / ljl0.5mg/L5.6Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/24/10 08:54 / jlr1.0ug/L11Carbon tetrachloride SW8260B
06/22/10 21:23 / jlr1000ug/L18000Chloroform SW8260B
06/24/10 08:54 / jlr1.0ug/LNDChloromethane SW8260B
06/24/10 08:54 / jlr1.0ug/L3.7Methylene chloride SW8260B
06/24/10 08:54 / jlr80-120%REC112 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/24/10 08:54 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/24/10 08:54 / jlr80-120%REC95.0 Surr: p-Bromofluorobenzene SW8260B
06/24/10 08:54 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 1000 times dilution to bring the response into calibration range.
MAJOR IONS
06/23/10 11:00 / lr1mg/L200Chloride A4500-Cl B
D 06/25/10 17:29 / ljl0.5mg/L5.6Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/24/10 08:54 / jlr1.0ug/L11Carbon tetrachloride SW8260B
06/22/10 21:23 / jlr1000ug/L18000Chloroform SW8260B
06/24/10 08:54 / jlr1.0ug/LNDChloromethane SW8260B
06/24/10 08:54 / jlr1.0ug/L3.7Methylene chloride SW8260B
06/24/10 08:54 / jlr80-120%REC112 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/24/10 08:54 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/24/10 08:54 / jlr80-120%REC95.0 Surr: p-Bromofluorobenzene SW8260B
06/24/10 08:54 / jlr80-120%REC99.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 1000 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 10 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-033
Client Sample ID:TW4-21
Collection Date:06/10/10 07:35
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:40 / lr1mg/L266Chloride A4500-Cl B
D 06/22/10 16:27 / ljl1mg/L12Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/19/10 02:49 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/19/10 00:55 / jlr10ug/L210Chloroform SW8260B
06/19/10 02:49 / jlr1.0ug/LNDChloromethane SW8260B
06/19/10 02:49 / jlr1.0ug/LNDMethylene chloride SW8260B
06/19/10 02:49 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/19/10 02:49 / jlr70-130%REC90.0 Surr: Dibromofluoromethane SW8260B
06/19/10 02:49 / jlr80-120%REC86.0 Surr: p-Bromofluorobenzene SW8260B
06/19/10 02:49 / jlr80-120%REC93.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 10 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:40 / lr1mg/L266Chloride A4500-Cl B
D 06/22/10 16:27 / ljl1mg/L12Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/19/10 02:49 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/19/10 00:55 / jlr10ug/L210Chloroform SW8260B
06/19/10 02:49 / jlr1.0ug/LNDChloromethane SW8260B
06/19/10 02:49 / jlr1.0ug/LNDMethylene chloride SW8260B
06/19/10 02:49 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/19/10 02:49 / jlr70-130%REC90.0 Surr: Dibromofluoromethane SW8260B
06/19/10 02:49 / jlr80-120%REC86.0 Surr: p-Bromofluorobenzene SW8260B
06/19/10 02:49 / jlr80-120%REC93.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 10 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:40 / lr1mg/L266Chloride A4500-Cl B
D 06/22/10 16:27 / ljl1mg/L12Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/19/10 02:49 / jlr1.0ug/L1.2Carbon tetrachloride SW8260B
06/19/10 00:55 / jlr10ug/L210Chloroform SW8260B
06/19/10 02:49 / jlr1.0ug/LNDChloromethane SW8260B
06/19/10 02:49 / jlr1.0ug/LNDMethylene chloride SW8260B
06/19/10 02:49 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/19/10 02:49 / jlr70-130%REC90.0 Surr: Dibromofluoromethane SW8260B
06/19/10 02:49 / jlr80-120%REC86.0 Surr: p-Bromofluorobenzene SW8260B
06/19/10 02:49 / jlr80-120%REC93.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 10 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 36 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-023
Client Sample ID:TW4-21R
Collection Date:06/09/10 09:05
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:19 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:08 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 02:12 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 02:12 / jlr1.0ug/L4.6Chloroform SW8260B
06/17/10 02:12 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 02:12 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 02:12 / jlr80-120%REC100 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 02:12 / jlr70-130%REC98.0 Surr: Dibromofluoromethane SW8260B
06/17/10 02:12 / jlr80-120%REC96.0 Surr: p-Bromofluorobenzene SW8260B
06/17/10 02:12 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:19 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:08 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 02:12 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 02:12 / jlr1.0ug/L4.6Chloroform SW8260B
06/17/10 02:12 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 02:12 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 02:12 / jlr80-120%REC100 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 02:12 / jlr70-130%REC98.0 Surr: Dibromofluoromethane SW8260B
06/17/10 02:12 / jlr80-120%REC96.0 Surr: p-Bromofluorobenzene SW8260B
06/17/10 02:12 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:19 / lr1mg/LNDChloride A4500-Cl B
06/21/10 15:08 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 02:12 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 02:12 / jlr1.0ug/L4.6Chloroform SW8260B
06/17/10 02:12 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 02:12 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 02:12 / jlr80-120%REC100 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 02:12 / jlr70-130%REC98.0 Surr: Dibromofluoromethane SW8260B
06/17/10 02:12 / jlr80-120%REC96.0 Surr: p-Bromofluorobenzene SW8260B
06/17/10 02:12 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 26 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-005
Client Sample ID:TW4-22
Collection Date:06/15/10 14:15
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 10:29 / lr1mg/L134Chloride A4500-Cl B
D 06/25/10 17:22 / ljl1mg/L19Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 07:42 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/22/10 20:12 / jlr100ug/L540Chloroform SW8260B
06/23/10 07:42 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 07:42 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 07:42 / jlr80-120%REC111 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 07:42 / jlr70-130%REC108 Surr: Dibromofluoromethane SW8260B
S 06/23/10 07:42 / jlr80-120%REC125 Surr: p-Bromofluorobenzene SW8260B
06/23/10 07:42 / jlr80-120%REC103 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/23/10 10:29 / lr1mg/L134Chloride A4500-Cl B
D 06/25/10 17:22 / ljl1mg/L19Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 07:42 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/22/10 20:12 / jlr100ug/L540Chloroform SW8260B
06/23/10 07:42 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 07:42 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 07:42 / jlr80-120%REC111 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 07:42 / jlr70-130%REC108 Surr: Dibromofluoromethane SW8260B
S 06/23/10 07:42 / jlr80-120%REC125 Surr: p-Bromofluorobenzene SW8260B
06/23/10 07:42 / jlr80-120%REC103 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
MAJOR IONS
06/23/10 10:29 / lr1mg/L134Chloride A4500-Cl B
D 06/25/10 17:22 / ljl1mg/L19Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 07:42 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/22/10 20:12 / jlr100ug/L540Chloroform SW8260B
06/23/10 07:42 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 07:42 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 07:42 / jlr80-120%REC111 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 07:42 / jlr70-130%REC108 Surr: Dibromofluoromethane SW8260B
S 06/23/10 07:42 / jlr80-120%REC125 Surr: p-Bromofluorobenzene SW8260B
06/23/10 07:42 / jlr80-120%REC103 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 100 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
D - RL increased due to sample matrix. S - Spike recovery outside of advisory limits.
Page 7 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-004
Client Sample ID:TW4-22R
Collection Date:06/14/10 09:40
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 10:24 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:19 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/24/10 00:02 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/24/10 00:02 / jlr1.0ug/L27Chloroform SW8260B
06/24/10 00:02 / jlr1.0ug/LNDChloromethane SW8260B
06/24/10 00:02 / jlr1.0ug/LNDMethylene chloride SW8260B
06/24/10 00:02 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/24/10 00:02 / jlr70-130%REC84.0 Surr: Dibromofluoromethane SW8260B
06/24/10 00:02 / jlr80-120%REC84.0 Surr: p-Bromofluorobenzene SW8260B
06/24/10 00:02 / jlr80-120%REC89.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 10:24 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:19 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/24/10 00:02 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/24/10 00:02 / jlr1.0ug/L27Chloroform SW8260B
06/24/10 00:02 / jlr1.0ug/LNDChloromethane SW8260B
06/24/10 00:02 / jlr1.0ug/LNDMethylene chloride SW8260B
06/24/10 00:02 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/24/10 00:02 / jlr70-130%REC84.0 Surr: Dibromofluoromethane SW8260B
06/24/10 00:02 / jlr80-120%REC84.0 Surr: p-Bromofluorobenzene SW8260B
06/24/10 00:02 / jlr80-120%REC89.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 10:24 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:19 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/24/10 00:02 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/24/10 00:02 / jlr1.0ug/L27Chloroform SW8260B
06/24/10 00:02 / jlr1.0ug/LNDChloromethane SW8260B
06/24/10 00:02 / jlr1.0ug/LNDMethylene chloride SW8260B
06/24/10 00:02 / jlr80-120%REC104 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/24/10 00:02 / jlr70-130%REC84.0 Surr: Dibromofluoromethane SW8260B
06/24/10 00:02 / jlr80-120%REC84.0 Surr: p-Bromofluorobenzene SW8260B
06/24/10 00:02 / jlr80-120%REC89.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
Page 6 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-015
Client Sample ID:TW4-23
Collection Date:06/08/10 13:47
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:47 / lr1mg/L40Chloride A4500-Cl B
06/21/10 14:41 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 22:04 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 22:04 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 22:04 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 22:04 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 22:04 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 22:04 / jlr70-130%REC96.0 Surr: Dibromofluoromethane SW8260B
06/16/10 22:04 / jlr80-120%REC98.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 22:04 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:47 / lr1mg/L40Chloride A4500-Cl B
06/21/10 14:41 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 22:04 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 22:04 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 22:04 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 22:04 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 22:04 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 22:04 / jlr70-130%REC96.0 Surr: Dibromofluoromethane SW8260B
06/16/10 22:04 / jlr80-120%REC98.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 22:04 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:47 / lr1mg/L40Chloride A4500-Cl B
06/21/10 14:41 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 22:04 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 22:04 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 22:04 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 22:04 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 22:04 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 22:04 / jlr70-130%REC96.0 Surr: Dibromofluoromethane SW8260B
06/16/10 22:04 / jlr80-120%REC98.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 22:04 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 18 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-005
Client Sample ID:TW4-23R
Collection Date:06/07/10 13:44
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:16 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:03 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 18:18 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 18:18 / rmh1.0ug/L5.2Chloroform SW8260B
06/15/10 18:18 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 18:18 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 18:18 / rmh80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 18:18 / rmh70-130%REC101 Surr: Dibromofluoromethane SW8260B
06/15/10 18:18 / rmh80-120%REC118 Surr: p-Bromofluorobenzene SW8260B
06/15/10 18:18 / rmh80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:16 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:03 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 18:18 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 18:18 / rmh1.0ug/L5.2Chloroform SW8260B
06/15/10 18:18 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 18:18 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 18:18 / rmh80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 18:18 / rmh70-130%REC101 Surr: Dibromofluoromethane SW8260B
06/15/10 18:18 / rmh80-120%REC118 Surr: p-Bromofluorobenzene SW8260B
06/15/10 18:18 / rmh80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:16 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:03 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 18:18 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 18:18 / rmh1.0ug/L5.2Chloroform SW8260B
06/15/10 18:18 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 18:18 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 18:18 / rmh80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 18:18 / rmh70-130%REC101 Surr: Dibromofluoromethane SW8260B
06/15/10 18:18 / rmh80-120%REC118 Surr: p-Bromofluorobenzene SW8260B
06/15/10 18:18 / rmh80-120%REC101 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 8 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-020
Client Sample ID:TW4-24
Collection Date:06/09/10 10:22
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:11 / lr1mg/L639Chloride A4500-Cl B
D 06/21/10 15:01 / ljl1mg/L30Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 01:01 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 01:01 / jlr1.0ug/L1.7Chloroform SW8260B
06/17/10 01:01 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 01:01 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 01:01 / jlr80-120%REC106 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 01:01 / jlr70-130%REC110 Surr: Dibromofluoromethane SW8260B
06/17/10 01:01 / jlr80-120%REC104 Surr: p-Bromofluorobenzene SW8260B
06/17/10 01:01 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:11 / lr1mg/L639Chloride A4500-Cl B
D 06/21/10 15:01 / ljl1mg/L30Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 01:01 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 01:01 / jlr1.0ug/L1.7Chloroform SW8260B
06/17/10 01:01 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 01:01 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 01:01 / jlr80-120%REC106 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 01:01 / jlr70-130%REC110 Surr: Dibromofluoromethane SW8260B
06/17/10 01:01 / jlr80-120%REC104 Surr: p-Bromofluorobenzene SW8260B
06/17/10 01:01 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:11 / lr1mg/L639Chloride A4500-Cl B
D 06/21/10 15:01 / ljl1mg/L30Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/17/10 01:01 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/17/10 01:01 / jlr1.0ug/L1.7Chloroform SW8260B
06/17/10 01:01 / jlr1.0ug/LNDChloromethane SW8260B
06/17/10 01:01 / jlr1.0ug/LNDMethylene chloride SW8260B
06/17/10 01:01 / jlr80-120%REC106 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/17/10 01:01 / jlr70-130%REC110 Surr: Dibromofluoromethane SW8260B
06/17/10 01:01 / jlr80-120%REC104 Surr: p-Bromofluorobenzene SW8260B
06/17/10 01:01 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 23 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-010
Client Sample ID:TW4-24R
Collection Date:06/08/10 10:45
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:28 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:21 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 15:03 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 15:03 / jlr1.0ug/L4.0Chloroform SW8260B
06/16/10 15:03 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 15:03 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 15:03 / jlr80-120%REC99.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 15:03 / jlr70-130%REC99.0 Surr: Dibromofluoromethane SW8260B
06/16/10 15:03 / jlr80-120%REC99.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 15:03 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:28 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:21 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 15:03 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 15:03 / jlr1.0ug/L4.0Chloroform SW8260B
06/16/10 15:03 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 15:03 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 15:03 / jlr80-120%REC99.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 15:03 / jlr70-130%REC99.0 Surr: Dibromofluoromethane SW8260B
06/16/10 15:03 / jlr80-120%REC99.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 15:03 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:28 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:21 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 15:03 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 15:03 / jlr1.0ug/L4.0Chloroform SW8260B
06/16/10 15:03 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 15:03 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 15:03 / jlr80-120%REC99.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 15:03 / jlr70-130%REC99.0 Surr: Dibromofluoromethane SW8260B
06/16/10 15:03 / jlr80-120%REC99.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 15:03 / jlr80-120%REC101 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 13 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-016
Client Sample ID:TW4-25
Collection Date:06/08/10 11:02
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:51 / lr1mg/L306Chloride A4500-Cl B
D 06/21/10 14:43 / ljl1mg/L16Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 22:39 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 22:39 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 22:39 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 22:39 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 22:39 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 22:39 / jlr70-130%REC96.0 Surr: Dibromofluoromethane SW8260B
06/16/10 22:39 / jlr80-120%REC97.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 22:39 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:51 / lr1mg/L306Chloride A4500-Cl B
D 06/21/10 14:43 / ljl1mg/L16Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 22:39 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 22:39 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 22:39 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 22:39 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 22:39 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 22:39 / jlr70-130%REC96.0 Surr: Dibromofluoromethane SW8260B
06/16/10 22:39 / jlr80-120%REC97.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 22:39 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:51 / lr1mg/L306Chloride A4500-Cl B
D 06/21/10 14:43 / ljl1mg/L16Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/16/10 22:39 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/16/10 22:39 / jlr1.0ug/LNDChloroform SW8260B
06/16/10 22:39 / jlr1.0ug/LNDChloromethane SW8260B
06/16/10 22:39 / jlr1.0ug/LNDMethylene chloride SW8260B
06/16/10 22:39 / jlr80-120%REC102 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/16/10 22:39 / jlr70-130%REC96.0 Surr: Dibromofluoromethane SW8260B
06/16/10 22:39 / jlr80-120%REC97.0 Surr: p-Bromofluorobenzene SW8260B
06/16/10 22:39 / jlr80-120%REC100 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 19 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-006
Client Sample ID:TW4-25R
Collection Date:06/07/10 14:33
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 10:17 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:06 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 18:54 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 18:54 / rmh1.0ug/L13Chloroform SW8260B
06/15/10 18:54 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 18:54 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 18:54 / rmh80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 18:54 / rmh70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/15/10 18:54 / rmh80-120%REC119 Surr: p-Bromofluorobenzene SW8260B
06/15/10 18:54 / rmh80-120%REC102 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:17 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:06 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 18:54 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 18:54 / rmh1.0ug/L13Chloroform SW8260B
06/15/10 18:54 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 18:54 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 18:54 / rmh80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 18:54 / rmh70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/15/10 18:54 / rmh80-120%REC119 Surr: p-Bromofluorobenzene SW8260B
06/15/10 18:54 / rmh80-120%REC102 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 10:17 / lr1mg/LNDChloride A4500-Cl B
06/21/10 14:06 / ljl0.1mg/L0.1Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/15/10 18:54 / rmh1.0ug/LNDCarbon tetrachloride SW8260B
06/15/10 18:54 / rmh1.0ug/L13Chloroform SW8260B
06/15/10 18:54 / rmh1.0ug/LNDChloromethane SW8260B
06/15/10 18:54 / rmh1.0ug/LNDMethylene chloride SW8260B
06/15/10 18:54 / rmh80-120%REC103 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/15/10 18:54 / rmh70-130%REC100 Surr: Dibromofluoromethane SW8260B
06/15/10 18:54 / rmh80-120%REC119 Surr: p-Bromofluorobenzene SW8260B
06/15/10 18:54 / rmh80-120%REC102 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 9 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-012
Client Sample ID:TW4-26
Collection Date:06/15/10 14:47
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 11:08 / lr1mg/L33Chloride A4500-Cl B
D 06/25/10 17:47 / ljl0.5mg/L7.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/24/10 00:41 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/24/10 00:41 / jlr1.0ug/L13Chloroform SW8260B
06/24/10 00:41 / jlr1.0ug/LNDChloromethane SW8260B
06/24/10 00:41 / jlr1.0ug/LNDMethylene chloride SW8260B
06/24/10 00:41 / jlr80-120%REC113 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/24/10 00:41 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/24/10 00:41 / jlr80-120%REC83.0 Surr: p-Bromofluorobenzene SW8260B
06/24/10 00:41 / jlr80-120%REC86.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 11:08 / lr1mg/L33Chloride A4500-Cl B
D 06/25/10 17:47 / ljl0.5mg/L7.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/24/10 00:41 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/24/10 00:41 / jlr1.0ug/L13Chloroform SW8260B
06/24/10 00:41 / jlr1.0ug/LNDChloromethane SW8260B
06/24/10 00:41 / jlr1.0ug/LNDMethylene chloride SW8260B
06/24/10 00:41 / jlr80-120%REC113 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/24/10 00:41 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/24/10 00:41 / jlr80-120%REC83.0 Surr: p-Bromofluorobenzene SW8260B
06/24/10 00:41 / jlr80-120%REC86.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 11:08 / lr1mg/L33Chloride A4500-Cl B
D 06/25/10 17:47 / ljl0.5mg/L7.9Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/24/10 00:41 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/24/10 00:41 / jlr1.0ug/L13Chloroform SW8260B
06/24/10 00:41 / jlr1.0ug/LNDChloromethane SW8260B
06/24/10 00:41 / jlr1.0ug/LNDMethylene chloride SW8260B
06/24/10 00:41 / jlr80-120%REC113 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/24/10 00:41 / jlr70-130%REC94.0 Surr: Dibromofluoromethane SW8260B
06/24/10 00:41 / jlr80-120%REC83.0 Surr: p-Bromofluorobenzene SW8260B
06/24/10 00:41 / jlr80-120%REC86.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 14 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-011
Client Sample ID:TW4-26R
Collection Date:06/14/10 13:38
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 11:07 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:44 / ljl0.1mg/L0.2Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/25/10 15:42 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/25/10 15:42 / jlr1.0ug/L34Chloroform SW8260B
06/25/10 15:42 / jlr1.0ug/LNDChloromethane SW8260B
06/25/10 15:42 / jlr1.0ug/LNDMethylene chloride SW8260B
06/25/10 15:42 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/25/10 15:42 / jlr70-130%REC78.0 Surr: Dibromofluoromethane SW8260B
S 06/25/10 15:42 / jlr80-120%REC79.0 Surr: p-Bromofluorobenzene SW8260B
06/25/10 15:42 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 11:07 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:44 / ljl0.1mg/L0.2Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/25/10 15:42 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/25/10 15:42 / jlr1.0ug/L34Chloroform SW8260B
06/25/10 15:42 / jlr1.0ug/LNDChloromethane SW8260B
06/25/10 15:42 / jlr1.0ug/LNDMethylene chloride SW8260B
06/25/10 15:42 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/25/10 15:42 / jlr70-130%REC78.0 Surr: Dibromofluoromethane SW8260B
S 06/25/10 15:42 / jlr80-120%REC79.0 Surr: p-Bromofluorobenzene SW8260B
06/25/10 15:42 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 11:07 / lr1mg/LNDChloride A4500-Cl B
06/25/10 17:44 / ljl0.1mg/L0.2Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/25/10 15:42 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/25/10 15:42 / jlr1.0ug/L34Chloroform SW8260B
06/25/10 15:42 / jlr1.0ug/LNDChloromethane SW8260B
06/25/10 15:42 / jlr1.0ug/LNDMethylene chloride SW8260B
06/25/10 15:42 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/25/10 15:42 / jlr70-130%REC78.0 Surr: Dibromofluoromethane SW8260B
S 06/25/10 15:42 / jlr80-120%REC79.0 Surr: p-Bromofluorobenzene SW8260B
06/25/10 15:42 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
S - Spike recovery outside of advisory limits.
Page 13 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-038
Client Sample ID:TW4-60
Collection Date:06/10/10 08:15
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:55 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:08 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/21/10 18:28 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 18:28 / jlr1.0ug/L36Chloroform SW8260B
06/21/10 18:28 / jlr1.0ug/LNDChloromethane SW8260B
06/21/10 18:28 / jlr1.0ug/LNDMethylene chloride SW8260B
06/21/10 18:28 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/21/10 18:28 / jlr70-130%REC87.0 Surr: Dibromofluoromethane SW8260B
06/21/10 18:28 / jlr80-120%REC88.0 Surr: p-Bromofluorobenzene SW8260B
06/21/10 18:28 / jlr80-120%REC90.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:55 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:08 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/21/10 18:28 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 18:28 / jlr1.0ug/L36Chloroform SW8260B
06/21/10 18:28 / jlr1.0ug/LNDChloromethane SW8260B
06/21/10 18:28 / jlr1.0ug/LNDMethylene chloride SW8260B
06/21/10 18:28 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/21/10 18:28 / jlr70-130%REC87.0 Surr: Dibromofluoromethane SW8260B
06/21/10 18:28 / jlr80-120%REC88.0 Surr: p-Bromofluorobenzene SW8260B
06/21/10 18:28 / jlr80-120%REC90.0 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/15/10 11:55 / lr1mg/LNDChloride A4500-Cl B
06/21/10 16:08 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/21/10 18:28 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/21/10 18:28 / jlr1.0ug/L36Chloroform SW8260B
06/21/10 18:28 / jlr1.0ug/LNDChloromethane SW8260B
06/21/10 18:28 / jlr1.0ug/LNDMethylene chloride SW8260B
06/21/10 18:28 / jlr80-120%REC98.0 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/21/10 18:28 / jlr70-130%REC87.0 Surr: Dibromofluoromethane SW8260B
06/21/10 18:28 / jlr80-120%REC88.0 Surr: p-Bromofluorobenzene SW8260B
06/21/10 18:28 / jlr80-120%REC90.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 41 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-039
Client Sample ID:TW4-65
Collection Date:06/10/10 09:15
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/15/10 11:56 / lr1mg/L35Chloride A4500-Cl B
D 06/21/10 16:11 / ljl0.5mg/L7.2Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 23:40 / jlr1.0ug/L1.4Carbon tetrachloride SW8260B
06/21/10 19:05 / jlr1000ug/L2200Chloroform SW8260B
06/18/10 23:40 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 23:40 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 23:40 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 23:40 / jlr70-130%REC107 Surr: Dibromofluoromethane SW8260B
06/18/10 23:40 / jlr80-120%REC93.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 23:40 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 1000 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:56 / lr1mg/L35Chloride A4500-Cl B
D 06/21/10 16:11 / ljl0.5mg/L7.2Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 23:40 / jlr1.0ug/L1.4Carbon tetrachloride SW8260B
06/21/10 19:05 / jlr1000ug/L2200Chloroform SW8260B
06/18/10 23:40 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 23:40 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 23:40 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 23:40 / jlr70-130%REC107 Surr: Dibromofluoromethane SW8260B
06/18/10 23:40 / jlr80-120%REC93.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 23:40 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 1000 times dilution to bring the response into calibration range.
MAJOR IONS
06/15/10 11:56 / lr1mg/L35Chloride A4500-Cl B
D 06/21/10 16:11 / ljl0.5mg/L7.2Nitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/18/10 23:40 / jlr1.0ug/L1.4Carbon tetrachloride SW8260B
06/21/10 19:05 / jlr1000ug/L2200Chloroform SW8260B
06/18/10 23:40 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 23:40 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 23:40 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 23:40 / jlr70-130%REC107 Surr: Dibromofluoromethane SW8260B
06/18/10 23:40 / jlr80-120%REC93.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 23:40 / jlr80-120%REC92.0 Surr: Toluene-d8 SW8260B
- The reporting limit for Chloroform reflects a 1000 times dilution to bring the response into calibration range.
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
D - RL increased due to sample matrix.
Page 42 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-009
Client Sample ID:TW4-70
Collection Date:06/14/10 12:40
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
MAJOR IONS
06/23/10 11:03 / lr1mg/L30Chloride A4500-Cl B
06/25/10 17:39 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 04:40 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 04:40 / jlr1.0ug/LNDChloroform SW8260B
06/23/10 04:40 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 04:40 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 04:40 / jlr80-120%REC108 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 04:40 / jlr70-130%REC122 Surr: Dibromofluoromethane SW8260B
S 06/23/10 04:40 / jlr80-120%REC122 Surr: p-Bromofluorobenzene SW8260B
06/23/10 04:40 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 11:03 / lr1mg/L30Chloride A4500-Cl B
06/25/10 17:39 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 04:40 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 04:40 / jlr1.0ug/LNDChloroform SW8260B
06/23/10 04:40 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 04:40 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 04:40 / jlr80-120%REC108 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 04:40 / jlr70-130%REC122 Surr: Dibromofluoromethane SW8260B
S 06/23/10 04:40 / jlr80-120%REC122 Surr: p-Bromofluorobenzene SW8260B
06/23/10 04:40 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
MAJOR IONS
06/23/10 11:03 / lr1mg/L30Chloride A4500-Cl B
06/25/10 17:39 / ljl0.1mg/LNDNitrogen, Nitrate+Nitrite as N E353.2
VOLATILE ORGANIC COMPOUNDS
06/23/10 04:40 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 04:40 / jlr1.0ug/LNDChloroform SW8260B
06/23/10 04:40 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 04:40 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 04:40 / jlr80-120%REC108 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 04:40 / jlr70-130%REC122 Surr: Dibromofluoromethane SW8260B
S 06/23/10 04:40 / jlr80-120%REC122 Surr: p-Bromofluorobenzene SW8260B
06/23/10 04:40 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
S - Spike recovery outside of advisory limits.
Page 11 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-040
Client Sample ID:Trip Blank
Collection Date:06/10/10
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
VOLATILE ORGANIC COMPOUNDS
06/18/10 23:02 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 23:02 / jlr1.0ug/LNDChloroform SW8260B
06/18/10 23:02 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 23:02 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 23:02 / jlr80-120%REC107 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 23:02 / jlr70-130%REC89.0 Surr: Dibromofluoromethane SW8260B
06/18/10 23:02 / jlr80-120%REC83.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 23:02 / jlr80-120%REC84.0 Surr: Toluene-d8 SW8260B
VOLATILE ORGANIC COMPOUNDS
06/18/10 23:02 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 23:02 / jlr1.0ug/LNDChloroform SW8260B
06/18/10 23:02 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 23:02 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 23:02 / jlr80-120%REC107 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 23:02 / jlr70-130%REC89.0 Surr: Dibromofluoromethane SW8260B
06/18/10 23:02 / jlr80-120%REC83.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 23:02 / jlr80-120%REC84.0 Surr: Toluene-d8 SW8260B
VOLATILE ORGANIC COMPOUNDS
06/18/10 23:02 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/18/10 23:02 / jlr1.0ug/LNDChloroform SW8260B
06/18/10 23:02 / jlr1.0ug/LNDChloromethane SW8260B
06/18/10 23:02 / jlr1.0ug/LNDMethylene chloride SW8260B
06/18/10 23:02 / jlr80-120%REC107 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/18/10 23:02 / jlr70-130%REC89.0 Surr: Dibromofluoromethane SW8260B
06/18/10 23:02 / jlr80-120%REC83.0 Surr: p-Bromofluorobenzene SW8260B
06/18/10 23:02 / jlr80-120%REC84.0 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 43 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-014
Client Sample ID:Trip Blank
Collection Date:06/15/10
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
VOLATILE ORGANIC COMPOUNDS
06/23/10 02:14 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 02:14 / jlr1.0ug/LNDChloroform SW8260B
06/23/10 02:14 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 02:14 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 02:14 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 02:14 / jlr70-130%REC118 Surr: Dibromofluoromethane SW8260B
S 06/23/10 02:14 / jlr80-120%REC123 Surr: p-Bromofluorobenzene SW8260B
06/23/10 02:14 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
VOLATILE ORGANIC COMPOUNDS
06/23/10 02:14 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 02:14 / jlr1.0ug/LNDChloroform SW8260B
06/23/10 02:14 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 02:14 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 02:14 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 02:14 / jlr70-130%REC118 Surr: Dibromofluoromethane SW8260B
S 06/23/10 02:14 / jlr80-120%REC123 Surr: p-Bromofluorobenzene SW8260B
06/23/10 02:14 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
VOLATILE ORGANIC COMPOUNDS
06/23/10 02:14 / jlr1.0ug/LNDCarbon tetrachloride SW8260B
06/23/10 02:14 / jlr1.0ug/LNDChloroform SW8260B
06/23/10 02:14 / jlr1.0ug/LNDChloromethane SW8260B
06/23/10 02:14 / jlr1.0ug/LNDMethylene chloride SW8260B
06/23/10 02:14 / jlr80-120%REC110 Surr: 1,2-Dichlorobenzene-d4 SW8260B
06/23/10 02:14 / jlr70-130%REC118 Surr: Dibromofluoromethane SW8260B
S 06/23/10 02:14 / jlr80-120%REC123 Surr: p-Bromofluorobenzene SW8260B
06/23/10 02:14 / jlr80-120%REC102 Surr: Toluene-d8 SW8260B
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
S - Spike recovery outside of advisory limits.
Page 16 of 24
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060476-041
Client Sample ID:Temp Blank
Collection Date:06/10/10 10:51
Matrix:Aqueous
Report Date:06/25/10
DateReceived:06/11/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
PHYSICAL PROPERTIES
06/11/10 09:15 / kbh°C3.0Temperature E170.1
PHYSICAL PROPERTIES
06/11/10 09:15 / kbh°C3.0Temperature E170.1
PHYSICAL PROPERTIES
06/11/10 09:15 / kbh°C3.0Temperature E170.1
Report
Definitions:
RL - Analyte reporting limit. MCL - Maximum contaminant level.
QCL - Quality control limit. ND - Not detected at the reporting limit.
Page 44 of 57
LABORATORY ANALYTICAL REPORT
Client:Denison Mines USA Corp
Project:2nd Quarter Chloroform
Lab ID:C10060760-013
Client Sample ID:Temp Blank
Collection Date:06/17/10
Matrix:Aqueous
Report Date:07/06/10
DateReceived:06/18/10
Analyses Result Units Analysis Date / ByRLMethod
MCL/
QCLQualifier
PHYSICAL PROPERTIES
06/18/10 09:15 / kbh°C4.0Temperature E170.1
PHYSICAL PROPERTIES
06/18/10 09:15 / kbh°C4.0Temperature E170.1
PHYSICAL PROPERTIES
06/18/10 09:15 / kbh°C4.0Temperature E170.1
Report
Definitions:
RL - Analyte reporting limit.MCL - Maximum contaminant level.
QCL - Quality control limit.ND - Not detected at the reporting limit.
Page 15 of 24
ANALYTICAL SUMMARY REPORTANALYTICAL SUMMARY REPORTANALYTICAL SUMMARY REPORTANALYTICAL SUMMARY REPORT
Sample ID Client Sample ID Collect Date Receive Date Matrix Test
C10060476-001 TW4-3R 06/07/10 08:57 06/11/10 Aqueous Chloride
Nitrogen, Nitrate + Nitrite
SW8260B VOCs, Standard List
C10060476-002 TW4-12R 06/07/10 09:51 06/11/10 Aqueous Same As Above
C10060476-003 TW4-13R 06/07/10 10:45 06/11/10 Aqueous Same As Above
C10060476-004 TW4-14R 06/07/10 12:50 06/11/10 Aqueous Same As Above
C10060476-005 TW4-23R 06/07/10 13:44 06/11/10 Aqueous Same As Above
C10060476-006 TW4-25R 06/07/10 14:33 06/11/10 Aqueous Same As Above
C10060476-007 TW4-8R 06/08/10 08:10 06/11/10 Aqueous Same As Above
C10060476-008 TW4-9R 06/08/10 09:04 06/11/10 Aqueous Same As Above
C10060476-009 TW4-16R 06/08/10 09:58 06/11/10 Aqueous Same As Above
C10060476-010 TW4-24R 06/08/10 10:45 06/11/10 Aqueous Same As Above
C10060476-011 TW4-3 06/08/10 13:20 06/11/10 Aqueous Same As Above
C10060476-012 TW4-12 06/08/10 14:32 06/11/10 Aqueous Same As Above
C10060476-013 TW4-13 06/08/10 14:21 06/11/10 Aqueous Same As Above
C10060476-014 TW4-14 06/08/10 14:03 06/11/10 Aqueous Same As Above
C10060476-015 TW4-23 06/08/10 13:47 06/11/10 Aqueous Same As Above
C10060476-016 TW4-25 06/08/10 11:02 06/11/10 Aqueous Same As Above
C10060476-017 TW4-8 06/09/10 11:20 06/11/10 Aqueous Same As Above
C10060476-018 TW4-9 06/09/10 11:06 06/11/10 Aqueous Same As Above
C10060476-019 TW4-16 06/09/10 10:37 06/11/10 Aqueous Same As Above
C10060476-020 TW4-24 06/09/10 10:22 06/11/10 Aqueous Same As Above
C10060476-021 TW4-5R 06/08/10 13:15 06/11/10 Aqueous Same As Above
C10060476-022 TW4-18R 06/08/10 14:02 06/11/10 Aqueous Same As Above
C10060476-023 TW4-21R 06/09/10 09:05 06/11/10 Aqueous Same As Above
C10060476-024 TW4-10R 06/09/10 09:51 06/11/10 Aqueous Same As Above
C10060476-025 TW4-15 06/09/10 10:30 06/11/10 Aqueous Same As Above
C10060476-026 TW4-11R 06/09/10 10:52 06/11/10 Aqueous Same As Above
C10060476-027 TW4-19 06/09/10 15:00 06/11/10 Aqueous Same As Above
Denison Mines USA Corp
Project Name: 2nd Quarter Chloroform
Workorder No.: C10060476
6425 S Hwy 191
Blanding, UT 84511
June 25, 2010
C2975 - Chloroform SamplingQuote ID:
Energy Laboratories, Inc. received the following 41 samples for Denison Mines USA Corp on 6/11/2010 for analysis.
Page 1 of 57
ANALYTICAL SUMMARY REPORTANALYTICAL SUMMARY REPORTANALYTICAL SUMMARY REPORTANALYTICAL SUMMARY REPORT
This report was prepared by Energy Laboratories, Inc., 2393 Salt Creek Hwy., Casper, WY 82601. Any exceptions
or problems with the analyses are noted in the Laboratory Analytical Report, the QA/QC Summary Report, or the
Case Narrative.
The results as reported relate only to the item(s) submitted for testing.
If you have any questions regarding these test results, please call.
Report Approved By:
C10060476-028 TW4-6R 06/09/10 13:16 06/11/10 Aqueous Same As Above
C10060476-029 TW4-7R 06/09/10 14:10 06/11/10 Aqueous Same As Above
C10060476-030 TW4-4 06/10/10 09:15 06/11/10 Aqueous Same As Above
C10060476-031 TW4-5 06/09/10 10:51 06/11/10 Aqueous Same As Above
C10060476-032 TW4-18 06/09/10 10:02 06/11/10 Aqueous Same As Above
C10060476-033 TW4-21 06/10/10 07:35 06/11/10 Aqueous Same As Above
C10060476-034 TW4-10 06/10/10 07:55 06/11/10 Aqueous Same As Above
C10060476-035 TW4-11 06/10/10 08:36 06/11/10 Aqueous Same As Above
C10060476-036 TW4-6 06/10/10 08:15 06/11/10 Aqueous Same As Above
C10060476-037 TW4-7 06/10/10 08:05 06/11/10 Aqueous Same As Above
C10060476-038 TW4-60 06/10/10 08:15 06/11/10 Aqueous Same As Above
C10060476-039 TW4-65 06/10/10 09:15 06/11/10 Aqueous Same As Above
C10060476-040 Trip Blank 06/10/10 00:00 06/11/10 Aqueous SW8260B VOCs, Standard List
C10060476-041 Temp Blank 06/10/10 10:51 06/11/10 Aqueous Temperature
Page 2 of 57
Digitally signed by
Stephanie Waldrop
Date: 2010.06.28 16:44:46 -06:00
Project:2nd Quarter Chloroform
CLIENT:Denison Mines USA Corp
Sample Delivery Group:C10060476 CASE NARRATIVE
06/25/10Report Date:
ORIGINAL SAMPLE SUBMITTAL(S)
All original sample submittals have been returned with the data package.
SAMPLE TEMPERATURE COMPLIANCE: 4°C (±2°C)
Temperature of samples received may not be considered properly preserved by accepted standards. Samples that are
hand delivered immediately after collection shall be considered acceptable if there is evidence that the chilling process has
begun.
GROSS ALPHA ANALYSIS
Method 900.0 for gross alpha and gross beta is intended as a drinking water method for low TDS waters. Data provided by
this method for non potable waters should be viewed as inconsistent.
RADON IN AIR ANALYSIS
The desired exposure time is 48 hours (2 days). The time delay in returning the canister to the laboratory for processing
should be as short as possible to avoid excessive decay. Maximum recommended delay between end of exposure to
beginning of counting should not exceed 8 days.
SOIL/SOLID SAMPLES
All samples reported on an as received basis unless otherwise indicated.
ATRAZINE, SIMAZINE AND PCB ANALYSIS
Data for PCBs, Atrazine and Simazine are reported from EPA 525.2. PCB data reported by ELI reflects the results for seven
individual Aroclors. When the results for all seven are ND (not detected), the sample meets EPA compliance criteria for
PCB monitoring.
SUBCONTRACTING ANALYSIS
Subcontracting of sample analyses to an outside laboratory may be required. If so, ENERGY LABORATORIES will utilize its
branch laboratories or qualified contract laboratories for this service. Any such laboratories will be indicated within the
Laboratory Analytical Report.
BRANCH LABORATORY LOCATIONS
eli-b - Energy Laboratories, Inc. - Billings, MT
eli-g - Energy Laboratories, Inc. - Gillette, WY
eli-h - Energy Laboratories, Inc. - Helena, MT
eli-r - Energy Laboratories, Inc. - Rapid City, SD
eli-t - Energy Laboratories, Inc. - College Station, TX
CERTIFICATIONS:
USEPA: WY00002, Radiochemical WY00937; FL-DOH NELAC: E87641, Radiochemical E871017; California: 02118CA;
Oregon: WY200001; Utah: 3072350515; Virginia: 00057; Washington: C1903
ISO 17025 DISCLAIMER:
The results of this Analytical Report relate only to the items submitted for analysis.
ENERGY LABORATORIES, INC. - CASPER,WY certifies that certain method selections contained in this report meet
requirements as set forth by the above accrediting authorities. Some results requested by the client may not be covered
under these certifications. All analysis data to be submitted for regulatory enforcement should be certified in the sample
state of origin. Please verify ELI's certification coverage by visiting www.energylab.com
ELI appreciates the opportunity to provide you with this analytical service. For additional information and services visit our
web page www.energylab.com.
Page 3 of 57
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060476
QA/QC Summary Report
06/25/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: A4500-Cl B Batch: 100615-CL-TTR-W
Sample ID: MBLK9-100615 06/15/10 09:43Method Blank Run: TITRATION_100615A
Chloride 0.4ND mg/L
Sample ID: C10060476-007AMS 06/15/10 10:21Sample Matrix Spike Run: TITRATION_100615A
Chloride 101 90 1101.035.8 mg/L
Sample ID: C10060476-007AMSD 06/15/10 10:22Sample Matrix Spike Duplicate Run: TITRATION_100615A
Chloride 100 90 110 101.0 135.4 mg/L
Sample ID: C10060476-017AMS 06/15/10 10:55Sample Matrix Spike Run: TITRATION_100615A
Chloride 99 90 1101.0217 mg/L
Sample ID: C10060476-017AMSD 06/15/10 10:57Sample Matrix Spike Duplicate Run: TITRATION_100615A
Chloride 100 90 110 101.0 0.8219 mg/L
Sample ID: LCS35-100615 06/15/10 10:59Laboratory Control Sample Run: TITRATION_100615A
Chloride 102 90 1101.03610 mg/L
Sample ID: C10060476-027AMS 06/15/10 11:28Sample Matrix Spike Run: TITRATION_100615A
Chloride 100 90 1101.0309 mg/L
Sample ID: C10060476-027AMSD 06/15/10 11:30Sample Matrix Spike Duplicate Run: TITRATION_100615A
Chloride 103 90 110 101.0 1.7314 mg/L
Sample ID: C10060476-037AMS 06/15/10 11:47Sample Matrix Spike Run: TITRATION_100615A
Chloride 101 90 1101.0210 mg/L
Sample ID: C10060476-037AMSD 06/15/10 11:49Sample Matrix Spike Duplicate Run: TITRATION_100615A
Chloride 103 90 110 101.0 1.6214 mg/L
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
Page 45 of 57
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060476
QA/QC Summary Report
06/25/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: E353.2 Batch: R134068
Sample ID: MBLK-1 06/21/10 10:58Method Blank Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 0.04ND mg/L
Sample ID: LCS-2 06/21/10 11:11Laboratory Control Sample Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 98 90 1100.102.44 mg/L
Sample ID: C10060476-004BMS 06/21/10 13:56Sample Matrix Spike Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 104 90 1100.102.21 mg/L
Sample ID: C10060476-004BMSD 06/21/10 13:58Sample Matrix Spike Duplicate Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 106 90 110 100.10 1.32.24 mg/L
Sample ID: C10060476-010BMS 06/21/10 14:33Sample Matrix Spike Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 98 90 1100.102.10 mg/L
Sample ID: C10060476-010BMSD 06/21/10 14:36Sample Matrix Spike Duplicate Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 102 90 110 100.10 3.72.18 mg/L
Sample ID: C10060476-024BMS 06/21/10 15:13Sample Matrix Spike Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 98 90 1100.102.05 mg/L
Sample ID: C10060476-024BMSD 06/21/10 15:16Sample Matrix Spike Duplicate Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 96 90 110 100.10 22.01 mg/L
Sample ID: C10060476-029BMS 06/21/10 15:33Sample Matrix Spike Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 97 90 1100.102.05 mg/L
Sample ID: C10060476-029BMSD 06/21/10 15:46Sample Matrix Spike Duplicate Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 101 90 110 100.10 3.42.12 mg/L
Sample ID: C10060476-038BMS 06/21/10 16:13Sample Matrix Spike Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 98 90 1100.101.96 mg/L
Sample ID: C10060476-038BMSD 06/21/10 16:16Sample Matrix Spike Duplicate Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 100 90 110 100.10 2.52.01 mg/L
Sample ID: C10060476-002BMS 06/21/10 16:41Sample Matrix Spike Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 101 90 1100.102.12 mg/L
Sample ID: C10060476-002BMSD 06/21/10 16:43Sample Matrix Spike Duplicate Run: TECHNICON_100621A
Nitrogen, Nitrate+Nitrite as N 98 90 110 100.10 2.92.06 mg/L
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
Page 46 of 57
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060476
QA/QC Summary Report
06/25/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: E353.2 Batch: R134138
Sample ID: MBLK-1 06/22/10 15:05Method Blank Run: TECHNICON_100622A
Nitrogen, Nitrate+Nitrite as N 0.04ND mg/L
Sample ID: LCS-2 06/22/10 15:07Laboratory Control Sample Run: TECHNICON_100622A
Nitrogen, Nitrate+Nitrite as N 98 90 1100.102.46 mg/L
Sample ID: C10060474-003EMS 06/22/10 16:00Sample Matrix Spike Run: TECHNICON_100622A
Nitrogen, Nitrate+Nitrite as N 97 90 1100.101.94 mg/L
Sample ID: C10060474-003EMSD 06/22/10 16:02Sample Matrix Spike Duplicate Run: TECHNICON_100622A
Nitrogen, Nitrate+Nitrite as N 99 90 110 100.10 21.98 mg/L
Sample ID: C10060478-006EMS 06/22/10 16:40Sample Matrix Spike Run: TECHNICON_100622A
Nitrogen, Nitrate+Nitrite as N 96 90 1100.101.92 mg/L
Sample ID: C10060478-006EMSD 06/22/10 16:43Sample Matrix Spike Duplicate Run: TECHNICON_100622A
Nitrogen, Nitrate+Nitrite as N 98 90 110 100.10 1.61.95 mg/L
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
Page 47 of 57
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060476
QA/QC Summary Report
06/25/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: SW8260B Batch: R133885
Sample ID: 15-Jun-10_LCS_3 06/15/10 11:56Laboratory Control Sample Run: 5975VOC1_100615B8
Carbon tetrachloride 113 70 1301.011 ug/L
Chloroform 116 70 1301.012 ug/L
Chloromethane 90 70 1301.09.0 ug/L
Methylene chloride 112 70 1301.011 ug/L
Surr: 1,2-Dichlorobenzene-d4 97 80 1201.0
Surr: Dibromofluoromethane 93 70 1301.0
Surr: p-Bromofluorobenzene 108 80 1301.0
Surr: Toluene-d8 105 80 1201.0
Sample ID: 15-Jun-10_MBLK_6 06/15/10 14:02Method Blank Run: 5975VOC1_100615B8
Carbon tetrachloride 1.0ND ug/L
Chloroform 1.0ND ug/L
Chloromethane 1.0ND ug/L
Methylene chloride 1.0ND ug/L
Surr: 1,2-Dichlorobenzene-d4 104 80 1201.0
Surr: Dibromofluoromethane 99 70 1301.0
Surr: p-Bromofluorobenzene 116 80 1201.0
Surr: Toluene-d8 100 80 1201.0
Sample ID: C10060476-001CMS 06/15/10 21:17Sample Matrix Spike Run: 5975VOC1_100615B8
Carbon tetrachloride 119 70 1301.0120 ug/L
Chloroform 122 70 1301.0130 ug/L
Chloromethane 93 70 1301.093 ug/L
Methylene chloride 118 70 1301.0120 ug/L
Surr: 1,2-Dichlorobenzene-d4 98 80 1201.0
Surr: Dibromofluoromethane 100 70 1301.0
Surr: p-Bromofluorobenzene 108 80 1201.0
Surr: Toluene-d8 106 80 1201.0
Sample ID: C10060476-001CMSD 06/15/10 21:53Sample Matrix Spike Duplicate Run: 5975VOC1_100615B8
Carbon tetrachloride 108 70 130 201.0 9.2110 ug/L
Chloroform 112 70 130 201.0 7.4120 ug/L
Chloromethane 94 70 130 201.0 0.494 ug/L
Methylene chloride 112 70 130 201.0 5.6110 ug/L
Surr: 1,2-Dichlorobenzene-d4 96 80 120 101.0 0
Surr: Dibromofluoromethane 96 70 130 101.0 0
Surr: p-Bromofluorobenzene 109 80 120 101.0 0
Surr: Toluene-d8 103 80 120 101.0 0
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
Page 48 of 57
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060476
QA/QC Summary Report
06/25/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: SW8260B Batch: R133935
Sample ID: 16-Jun-10_LCS_3 06/16/10 11:32Laboratory Control Sample Run: GCMS2_100616A8
Carbon tetrachloride 130 70 1301.013 ug/L
Chloroform 117 70 1301.012 ug/L
Chloromethane 109 70 1301.011 ug/L
Methylene chloride 110 70 1301.011 ug/L
Surr: 1,2-Dichlorobenzene-d4 93 80 1201.0
Surr: Dibromofluoromethane 87 70 1301.0
Surr: p-Bromofluorobenzene 88 80 1301.0
Surr: Toluene-d8 101 80 1201.0
Sample ID: 16-Jun-10_MBLK_6 06/16/10 13:17Method Blank Run: GCMS2_100616A8
Carbon tetrachloride 1.0ND ug/L
Chloroform 1.0ND ug/L
Chloromethane 1.0ND ug/L
Methylene chloride 1.0ND ug/L
Surr: 1,2-Dichlorobenzene-d4 98 80 1201.0
Surr: Dibromofluoromethane 87 70 1301.0
Surr: p-Bromofluorobenzene 96 80 1201.0
Surr: Toluene-d8 97 80 1201.0
Sample ID: C10060476-027CMS 06/16/10 19:08Sample Matrix Spike Run: GCMS2_100616A8
Carbon tetrachloride 142 70 1301001400 ug/L S
Chloroform 123 70 1301003000 ug/L
Chloromethane 115 70 1301001200 ug/L
Methylene chloride 124 70 1301001200 ug/L
Surr: 1,2-Dichlorobenzene-d4 96 80 1201.0
Surr: Dibromofluoromethane 93 70 1301.0
Surr: p-Bromofluorobenzene 89 80 1201.0
Surr: Toluene-d8 104 80 1201.0
- Matrix spike recoveries outside the acceptance range are considered matrix-related.
Sample ID: C10060476-027CMSD 06/16/10 19:43Sample Matrix Spike Duplicate Run: GCMS2_100616A8
Carbon tetrachloride 124 70 130 20100 141200 ug/L
Chloroform 90 70 130 20100 112700 ug/L
Chloromethane 111 70 130 20100 3.51100 ug/L
Methylene chloride 112 70 130 20100 9.81100 ug/L
Surr: 1,2-Dichlorobenzene-d4 95 80 120 101.0 0
Surr: Dibromofluoromethane 86 70 130 101.0 0
Surr: p-Bromofluorobenzene 87 80 120 101.0 0
Surr: Toluene-d8 102 80 120 101.0 0
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
S - Spike recovery outside of advisory limits.
Page 49 of 57
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060476
QA/QC Summary Report
06/25/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: SW8260B Batch: R134051
Sample ID: 061810_LCS_3 06/18/10 11:33Laboratory Control Sample Run: SATURNCA_100618A8
Carbon tetrachloride 114 70 1301.011 ug/L
Chloroform 114 70 1301.011 ug/L
Chloromethane 110 70 1301.011 ug/L
Methylene chloride 106 70 1301.011 ug/L
Surr: 1,2-Dichlorobenzene-d4 94 80 1201.0
Surr: Dibromofluoromethane 95 70 1301.0
Surr: p-Bromofluorobenzene 96 80 1301.0
Surr: Toluene-d8 96 80 1201.0
Sample ID: 061810_MBLK_6 06/18/10 13:25Method Blank Run: SATURNCA_100618A8
Carbon tetrachloride 1.0ND ug/L
Chloroform 1.0ND ug/L
Chloromethane 1.0ND ug/L
Methylene chloride 1.0ND ug/L
Surr: 1,2-Dichlorobenzene-d4 95 80 1201.0
Surr: Dibromofluoromethane 71 70 1301.0
Surr: p-Bromofluorobenzene 89 80 1201.0
Surr: Toluene-d8 93 80 1201.0
Sample ID: C10060476-030CMS 06/18/10 19:51Sample Matrix Spike Run: SATURNCA_100618A8
Carbon tetrachloride 113 70 1301001100 ug/L
Chloroform 97 70 1301003000 ug/L
Chloromethane 146 70 1301001500 ug/L S
Methylene chloride 104 70 1301001000 ug/L
Surr: 1,2-Dichlorobenzene-d4 108 80 1201.0
Surr: Dibromofluoromethane 88 70 1301.0
Surr: p-Bromofluorobenzene 96 80 1201.0
Surr: Toluene-d8 89 80 1201.0
- Matrix spike recoveries outside the acceptance range are considered matrix-related.
Sample ID: C10060476-030CMSD 06/18/10 20:30Sample Matrix Spike Duplicate Run: SATURNCA_100618A8
Carbon tetrachloride 111 70 130 20100 1.81100 ug/L
Chloroform 75 70 130 20100 7.62700 ug/L
Chloromethane 141 70 130 20100 3.61400 ug/L S
Methylene chloride 100 70 130 20100 3.91000 ug/L
Surr: 1,2-Dichlorobenzene-d4 102 80 120 101.0 0
Surr: Dibromofluoromethane 84 70 130 101.0 0
Surr: p-Bromofluorobenzene 98 80 120 101.0 0
Surr: Toluene-d8 88 80 120 101.0 0
- Matrix spike recoveries outside the acceptance range are considered matrix-related.
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
S - Spike recovery outside of advisory limits.
Page 50 of 57
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060476
QA/QC Summary Report
06/25/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: SW8260B Batch: R134108
Sample ID: 062110_LCS_3 06/21/10 12:41Laboratory Control Sample Run: SATURNCA_100621A8
Carbon tetrachloride 100 70 1301.010.0 ug/L
Chloroform 93 70 1301.09.3 ug/L
Chloromethane 104 70 1301.010 ug/L
Methylene chloride 90 70 1301.09.0 ug/L
Surr: 1,2-Dichlorobenzene-d4 93 80 1201.0
Surr: Dibromofluoromethane 77 70 1301.0
Surr: p-Bromofluorobenzene 91 80 1301.0
Surr: Toluene-d8 102 80 1201.0
Sample ID: 062110_MBLK_6 06/21/10 14:33Method Blank Run: SATURNCA_100621A8
Carbon tetrachloride 1.0ND ug/L
Chloroform 1.0ND ug/L
Chloromethane 1.0ND ug/L
Methylene chloride 1.0ND ug/L
Surr: 1,2-Dichlorobenzene-d4 101 80 1201.0
Surr: Dibromofluoromethane 90 70 1301.0
Surr: p-Bromofluorobenzene 95 80 1201.0
Surr: Toluene-d8 98 80 1201.0
Sample ID: C10060476-039CMS 06/21/10 20:22Sample Matrix Spike Run: SATURNCA_100621A8
Carbon tetrachloride 111 70 130100011000 ug/L
Chloroform 103 70 130100013000 ug/L
Chloromethane 118 70 130100012000 ug/L
Methylene chloride 95 70 13010009700 ug/L
Surr: 1,2-Dichlorobenzene-d4 96 80 1201.0
Surr: Dibromofluoromethane 76 70 1301.0
Surr: p-Bromofluorobenzene 97 80 1201.0
Surr: Toluene-d8 95 80 1201.0
Sample ID: C10060476-039CMSD 06/21/10 21:01Sample Matrix Spike Duplicate Run: SATURNCA_100621A8
Carbon tetrachloride 103 70 130 201000 7.910000 ug/L
Chloroform 92 70 130 201000 911000 ug/L
Chloromethane 124 70 130 201000 512000 ug/L
Methylene chloride 92 70 130 201000 3.49400 ug/L
Surr: 1,2-Dichlorobenzene-d4 101 80 120 101.0 0
Surr: Dibromofluoromethane 89 70 130 101.0 0
Surr: p-Bromofluorobenzene 90 80 120 101.0 0
Surr: Toluene-d8 95 80 120 101.0 0
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
Page 51 of 57
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060476
QA/QC Summary Report
06/25/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: SW8260B Batch: R134167
Sample ID: 22-Jun-10_LCS_3 06/22/10 12:09Laboratory Control Sample Run: 5975VOC1_100622A5
Chloroform 119 70 1301.012 ug/L
Surr: 1,2-Dichlorobenzene-d4 99 80 1201.0
Surr: Dibromofluoromethane 98 70 1301.0
Surr: p-Bromofluorobenzene 110 80 1301.0
Surr: Toluene-d8 107 80 1201.0
Sample ID: 22-Jun-10_MBLK_6 06/22/10 13:55Method Blank Run: 5975VOC1_100622A5
Chloroform 1.0ND ug/L
Surr: 1,2-Dichlorobenzene-d4 107 80 1201.0
Surr: Dibromofluoromethane 98 70 1301.0
Surr: p-Bromofluorobenzene 124 80 1201.0 S
Surr: Toluene-d8 101 80 1201.0
Sample ID: C10060481-010AMS 06/22/10 23:12Sample Matrix Spike Run: 5975VOC1_100622A5
Chloroform 131 70 13010130 ug/L S
Surr: 1,2-Dichlorobenzene-d4 98 80 1201.0
Surr: Dibromofluoromethane 104 70 1301.0
Surr: p-Bromofluorobenzene 108 80 1201.0
Surr: Toluene-d8 108 80 1201.0
- Matrix spike recoveries outside the acceptance range are considered matrix-related.
Sample ID: C10060481-010AMSD 06/22/10 23:48Sample Matrix Spike Duplicate Run: 5975VOC1_100622A5
Chloroform 134 70 130 2010 2.4140 ug/L S
Surr: 1,2-Dichlorobenzene-d4 101 80 120 101.0 0
Surr: Dibromofluoromethane 103 70 130 101.0 0
Surr: p-Bromofluorobenzene 110 80 120 101.0 0
Surr: Toluene-d8 105 80 120 101.0 0
- Matrix spike recoveries outside the acceptance range are considered matrix-related.
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
S - Spike recovery outside of advisory limits.
Page 52 of 57
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Page 56 of 57
ANALYTICAL SUMMARY REPORTANALYTICAL SUMMARY REPORTANALYTICAL SUMMARY REPORTANALYTICAL SUMMARY REPORT
This report was prepared by Energy Laboratories, Inc., 2393 Salt Creek Hwy., Casper, WY 82601. Any exceptions
or problems with the analyses are noted in the Laboratory Analytical Report, the QA/QC Summary Report, or the
Case Narrative.
The results as reported relate only to the item(s) submitted for testing.
If you have any questions regarding these test results, please call.
Sample ID Client Sample ID Collect Date Receive Date Matrix Test
Report Approved By:
C10060760-001 TW4-1R 06/14/10 08:32 06/18/10 Aqueous Chloride
Nitrogen, Nitrate + Nitrite
SW8260B VOCs, Standard List
C10060760-002 TW4-1 06/15/10 14:37 06/18/10 Aqueous Same As Above
C10060760-003 MW-4 06/14/10 09:10 06/18/10 Aqueous Same As Above
C10060760-004 TW4-22R 06/14/10 09:40 06/18/10 Aqueous Same As Above
C10060760-005 TW4-22 06/15/10 14:15 06/18/10 Aqueous Same As Above
C10060760-006 TW4-2R 06/14/10 10:36 06/18/10 Aqueous Same As Above
C10060760-007 TW4-2 06/15/10 14:25 06/18/10 Aqueous Same As Above
C10060760-008 TW4-20 06/14/10 13:10 06/18/10 Aqueous Same As Above
C10060760-009 TW4-70 06/14/10 12:40 06/18/10 Aqueous Same As Above
C10060760-010 TW4-17 06/14/10 12:40 06/18/10 Aqueous Same As Above
C10060760-011 TW4-26R 06/14/10 13:38 06/18/10 Aqueous Same As Above
C10060760-012 TW4-26 06/15/10 14:47 06/18/10 Aqueous Same As Above
C10060760-013 Temp Blank 06/18/10 Aqueous Temperature
C10060760-014 Trip Blank 06/18/10 Aqueous SW8260B VOCs, Standard List
Denison Mines USA Corp
Project Name: 2nd Quarter Chloroform
Workorder No.: C10060760
6425 S Hwy 191
Blanding, UT 84511
July 06, 2010
C2975 - Chloroform SamplingQuote ID:
Energy Laboratories, Inc. received the following 14 samples for Denison Mines USA Corp on 6/18/2010 for analysis.
Page 1 of 24
Project:2nd Quarter Chloroform
CLIENT:Denison Mines USA Corp
Sample Delivery Group:C10060760 CASE NARRATIVE
07/06/10Report Date:
ORIGINAL SAMPLE SUBMITTAL(S)
All original sample submittals have been returned with the data package.
SAMPLE TEMPERATURE COMPLIANCE: 4°C (±2°C)
Temperature of samples received may not be considered properly preserved by accepted standards. Samples that are
hand delivered immediately after collection shall be considered acceptable if there is evidence that the chilling process has
begun.
GROSS ALPHA ANALYSIS
Method 900.0 for gross alpha and gross beta is intended as a drinking water method for low TDS waters. Data provided by
this method for non potable waters should be viewed as inconsistent.
RADON IN AIR ANALYSIS
The desired exposure time is 48 hours (2 days). The time delay in returning the canister to the laboratory for processing
should be as short as possible to avoid excessive decay. Maximum recommended delay between end of exposure to
beginning of counting should not exceed 8 days.
SOIL/SOLID SAMPLES
All samples reported on an as received basis unless otherwise indicated.
ATRAZINE, SIMAZINE AND PCB ANALYSIS
Data for PCBs, Atrazine and Simazine are reported from EPA 525.2. PCB data reported by ELI reflects the results for seven
individual Aroclors. When the results for all seven are ND (not detected), the sample meets EPA compliance criteria for
PCB monitoring.
SUBCONTRACTING ANALYSIS
Subcontracting of sample analyses to an outside laboratory may be required. If so, ENERGY LABORATORIES will utilize its
branch laboratories or qualified contract laboratories for this service. Any such laboratories will be indicated within the
Laboratory Analytical Report.
BRANCH LABORATORY LOCATIONS
eli-b - Energy Laboratories, Inc. - Billings, MT
eli-g - Energy Laboratories, Inc. - Gillette, WY
eli-h - Energy Laboratories, Inc. - Helena, MT
eli-r - Energy Laboratories, Inc. - Rapid City, SD
eli-t - Energy Laboratories, Inc. - College Station, TX
CERTIFICATIONS:
USEPA: WY00002, Radiochemical WY00937; FL-DOH NELAC: E87641, Radiochemical E871017; California: 02118CA;
Oregon: WY200001; Utah: 3072350515; Virginia: 00057; Washington: C1903
ISO 17025 DISCLAIMER:
The results of this Analytical Report relate only to the items submitted for analysis.
ENERGY LABORATORIES, INC. - CASPER,WY certifies that certain method selections contained in this report meet
requirements as set forth by the above accrediting authorities. Some results requested by the client may not be covered
under these certifications. All analysis data to be submitted for regulatory enforcement should be certified in the sample
state of origin. Please verify ELI's certification coverage by visiting www.energylab.com
ELI appreciates the opportunity to provide you with this analytical service. For additional information and services visit our
web page www.energylab.com.
Page 2 of 24
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060760
QA/QC Summary Report
07/06/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: A4500-Cl B Batch: 100623-CL-TTR-W
Sample ID: MBLK9-100623 06/23/10 09:51Method Blank Run: TITRATION_100623A
Chloride 0.4ND mg/L
Sample ID: C10060760-005AMS 06/23/10 10:50Sample Matrix Spike Run: TITRATION_100623A
Chloride 102 90 1101.0314 mg/L
Sample ID: C10060760-005AMSD 06/23/10 10:54Sample Matrix Spike Duplicate Run: TITRATION_100623A
Chloride 101 90 110 101.0 0.6313 mg/L
Sample ID: C10060784-006AMS 06/23/10 11:24Sample Matrix Spike Run: TITRATION_100623A
Chloride 101 90 1101.0222 mg/L
Sample ID: C10060784-006AMSD 06/23/10 11:26Sample Matrix Spike Duplicate Run: TITRATION_100623A
Chloride 100 90 110 101.0 0.8221 mg/L
Sample ID: LCS35-100623 06/23/10 11:28Laboratory Control Sample Run: TITRATION_100623A
Chloride 99 90 1101.03510 mg/L
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
Page 17 of 24
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060760
QA/QC Summary Report
07/06/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: E353.2 Batch: R134280
Sample ID: MBLK-1 06/25/10 14:39Method Blank Run: TECHNICON_100625A
Nitrogen, Nitrate+Nitrite as N 0.04ND mg/L
Sample ID: LCS-2 06/25/10 14:42Laboratory Control Sample Run: TECHNICON_100625A
Nitrogen, Nitrate+Nitrite as N 100 90 1100.102.49 mg/L
Sample ID: C10060758-002DMS 06/25/10 16:52Sample Matrix Spike Run: TECHNICON_100625A
Nitrogen, Nitrate+Nitrite as N 98 90 1100.103.14 mg/L
Sample ID: C10060758-002DMSD 06/25/10 16:54Sample Matrix Spike Duplicate Run: TECHNICON_100625A
Nitrogen, Nitrate+Nitrite as N 99 90 110 100.10 0.63.16 mg/L
Sample ID: C10060760-006BMS 06/25/10 17:32Sample Matrix Spike Run: TECHNICON_100625A
Nitrogen, Nitrate+Nitrite as N 99 90 1100.102.04 mg/L
Sample ID: C10060760-006BMSD 06/25/10 17:34Sample Matrix Spike Duplicate Run: TECHNICON_100625A
Nitrogen, Nitrate+Nitrite as N 98 90 110 100.10 0.52.03 mg/L
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
Page 18 of 24
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060760
QA/QC Summary Report
07/06/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: SW8260B Batch: R134167
Sample ID: 22-Jun-10_LCS_3 06/22/10 12:09Laboratory Control Sample Run: 5975VOC1_100622A8
Carbon tetrachloride 118 70 1301.012 ug/L
Chloroform 119 70 1301.012 ug/L
Chloromethane 124 70 1301.012 ug/L
Methylene chloride 123 70 1301.012 ug/L
Surr: 1,2-Dichlorobenzene-d4 99 80 1201.0
Surr: Dibromofluoromethane 98 70 1301.0
Surr: p-Bromofluorobenzene 110 80 1301.0
Surr: Toluene-d8 107 80 1201.0
Sample ID: 22-Jun-10_MBLK_6 06/22/10 13:55Method Blank Run: 5975VOC1_100622A8
Carbon tetrachloride 1.0ND ug/L
Chloroform 1.0ND ug/L
Chloromethane 1.0ND ug/L
Methylene chloride 1.0ND ug/L
Surr: 1,2-Dichlorobenzene-d4 107 80 1201.0
Surr: Dibromofluoromethane 98 70 1301.0
Surr: p-Bromofluorobenzene 124 80 1201.0 S
Surr: Toluene-d8 101 80 1201.0
Sample ID: C10060481-010AMS 06/22/10 23:12Sample Matrix Spike Run: 5975VOC1_100622A8
Carbon tetrachloride 126 70 13010130 ug/L
Chloroform 131 70 13010130 ug/L S
Chloromethane 138 70 13010140 ug/L S
Methylene chloride 134 70 13010140 ug/L S
Surr: 1,2-Dichlorobenzene-d4 98 80 1201.0
Surr: Dibromofluoromethane 104 70 1301.0
Surr: p-Bromofluorobenzene 108 80 1201.0
Surr: Toluene-d8 108 80 1201.0
- Matrix spike recoveries outside the acceptance range are considered matrix-related.
Sample ID: C10060481-010AMSD 06/22/10 23:48Sample Matrix Spike Duplicate Run: 5975VOC1_100622A8
Carbon tetrachloride 123 70 130 20102.2120 ug/L
Chloroform 134 70 130 20102.4140 ug/L S
Chloromethane 151 70 130 20109.2150 ug/L S
Methylene chloride 142 70 130 20105.4150 ug/L S
Surr: 1,2-Dichlorobenzene-d4 101 80 120 101.0 0
Surr: Dibromofluoromethane 103 70 130 101.0 0
Surr: p-Bromofluorobenzene 110 80 120 101.0 0
Surr: Toluene-d8 105 80 120 101.0 0
- Matrix spike recoveries outside the acceptance range are considered matrix-related.
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
S - Spike recovery outside of advisory limits.
Page 19 of 24
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060760
QA/QC Summary Report
07/06/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: SW8260B Batch: R134210
Sample ID: 062310_LCS_3 06/23/10 13:16Laboratory Control Sample Run: SATURNCA_100623A8
Carbon tetrachloride 95 70 1301.09.5 ug/L
Chloroform 92 70 1301.09.2 ug/L
Chloromethane 94 70 1301.09.4 ug/L
Methylene chloride 87 70 1301.08.7 ug/L
Surr: 1,2-Dichlorobenzene-d4 104 80 1201.0
Surr: Dibromofluoromethane 74 70 1301.0
Surr: p-Bromofluorobenzene 102 80 1301.0
Surr: Toluene-d8 97 80 1201.0
Sample ID: 062310_MBLK_6 06/23/10 15:11Method Blank Run: SATURNCA_100623A8
Carbon tetrachloride 1.0ND ug/L
Chloroform 1.0ND ug/L
Chloromethane 1.0ND ug/L
Methylene chloride 1.0ND ug/L
Surr: 1,2-Dichlorobenzene-d4 99 80 1201.0
Surr: Dibromofluoromethane 80 70 1301.0
Surr: p-Bromofluorobenzene 90 80 1201.0
Surr: Toluene-d8 98 80 1201.0
Sample ID: C10060870-006AMS 06/23/10 20:49Sample Matrix Spike Run: SATURNCA_100623A8
Carbon tetrachloride 99 70 1305.050 ug/L
Chloroform 100 70 1305.050 ug/L
Chloromethane 99 70 1305.049 ug/L
Methylene chloride 93 70 1305.046 ug/L
Surr: 1,2-Dichlorobenzene-d4 107 80 1201.0
Surr: Dibromofluoromethane 86 70 1301.0
Surr: p-Bromofluorobenzene 95 80 1201.0
Surr: Toluene-d8 92 80 1201.0
Sample ID: C10060870-006AMSD 06/23/10 21:27Sample Matrix Spike Duplicate Run: SATURNCA_100623A8
Carbon tetrachloride 105 70 130 205.0 5.552 ug/L
Chloroform 104 70 130 205.0 4.352 ug/L
Chloromethane 81 70 130 205.0 2040 ug/L R
Methylene chloride 96 70 130 205.0 348 ug/L
Surr: 1,2-Dichlorobenzene-d4 103 80 120 101.0 0
Surr: Dibromofluoromethane 85 70 130 101.0 0
Surr: p-Bromofluorobenzene 90 80 120 101.0 0
Surr: Toluene-d8 97 80 120 101.0 0
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
R - RPD exceeds advisory limit.
Page 20 of 24
Project:2nd Quarter Chloroform
Client:Denison Mines USA Corp
Work Order:C10060760
QA/QC Summary Report
07/06/10Report Date:
Analyte Result %REC RPDLow Limit High Limit RPDLimitRLUnits QualCount
Method: SW8260B Batch: R134298
Sample ID: 062510_LCS_3 06/25/10 12:29Laboratory Control Sample Run: SATURNCA_100625A8
Carbon tetrachloride 94 70 1301.09.4 ug/L
Chloroform 90 70 1301.09.6 ug/L
Chloromethane 96 70 1301.09.6 ug/L
Methylene chloride 87 70 1301.08.8 ug/L
Surr: 1,2-Dichlorobenzene-d4 101 80 1201.0
Surr: Dibromofluoromethane 78 70 1301.0
Surr: p-Bromofluorobenzene 92 80 1301.0
Surr: Toluene-d8 100 80 1201.0
Sample ID: 062510_MBLK_6 06/25/10 14:27Method Blank Run: SATURNCA_100625A8
Carbon tetrachloride 1.0ND ug/L
Chloroform 1.0ND ug/L
Chloromethane 1.0ND ug/L
Methylene chloride 1.0ND ug/L
Surr: 1,2-Dichlorobenzene-d4 107 80 1201.0
Surr: Dibromofluoromethane 78 70 1301.0
Surr: p-Bromofluorobenzene 86 80 1201.0
Surr: Toluene-d8 92 80 1201.0
Sample ID: C10060784-003DMS 06/25/10 18:12Sample Matrix Spike Run: SATURNCA_100625A8
Carbon tetrachloride 111 70 1301001100 ug/L
Chloroform 109 70 1301002000 ug/L
Chloromethane 108 70 1301001100 ug/L
Methylene chloride 103 70 1301001000 ug/L
Surr: 1,2-Dichlorobenzene-d4 100 80 1201.0
Surr: Dibromofluoromethane 76 70 1301.0
Surr: p-Bromofluorobenzene 92 80 1201.0
Surr: Toluene-d8 94 80 1201.0
Sample ID: C10060784-003DMSD 06/25/10 18:49Sample Matrix Spike Duplicate Run: SATURNCA_100625A8
Carbon tetrachloride 116 70 130 201004.61200 ug/L
Chloroform 106 70 130 201001.81900 ug/L
Chloromethane 109 70 130 201000.41100 ug/L
Methylene chloride 103 70 130 201000.81100 ug/L
Surr: 1,2-Dichlorobenzene-d4 95 80 120 101.0 0
Surr: Dibromofluoromethane 75 70 130 101.0 0
Surr: p-Bromofluorobenzene 89 80 120 101.0 0
Surr: Toluene-d8 95 80 120 101.0 0
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
Page 21 of 24
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Page 57 of 57

Tab I
Quality Assurance and Data Validation Tables

I-1: Field QA/QC Evaluation
Location
2x Casing
Volume
Volume
Pumped
Volume
Check RPD RPD RPD RPD RPD
MW-4 2043 2046 0.15 6.92 6.95 0.43 15.05 15.06 0.07 417 415 0.48 0.7 0.7 0.00
TW4-1 61 70 OK 2250 2247 0.13 6.14 6.14 0.00 14.61 14.6 0.07 451 452 0.22 26.3 24.7 6.27
TW4-2 68 60 Insufficient 3169 3191 0.69 6.58 6.57 0.15 14.82 14.91 0.61 401 403 0.50 27.4 43.5 45.42
TW4-3 102 70 Insufficient 1728 1724 0.23 6.65 6.66 0.15 14.69 14.73 0.27 412 416 0.97 40.1 51.2 24.32
TW4-4 2488 2490 0.08 6.19 6.22 0.48 14.83 14.83 0.00 464 461 0.65 8.4 8.5 1.18
TW4-5 87 90 OK 1757 1744 0.74 6.43 6.44 0.16 15.44 15.4 0.26 394 398 1.01 72 71.2 1.12
TW4-6 35 42 OK 3469 3423 1.33 6.67 6.75 1.19 15.26 15.24 0.13 393 399 1.52 392 583.2 39.21
TW4-7 69 60 Insufficient 1687 1697 0.59 6.71 6.71 0.00 15.05 15.04 0.07 286 290 1.39 99.8 100.4 0.60
TW4-8 75 120 OK 3265 3264 0.03 6.75 6.76 0.15 14.8 14.81 0.07 42 43 2.35 182 100.3 57.88
TW4-9 112 90 Insufficient 2503 2503 0.00 6.32 6.33 0.16 14.86 14.86 0.00 369 380 2.94 95.8 137.9 36.03
TW4-10 74 60 Insufficient 2789 1851 40.43 6.31 6.31 0.00 15.11 15.4 1.90 340 347 2.04 35.3 72.1 68.53
TW4-11 54 60 OK 1704 1697 0.41 6.48 6.49 0.15 14.58 14.56 0.14 392 396 1.02 15.8 17.4 9.64
TW4-12 82 90 OK 944.7 947.5 0.30 6.83 6.83 0.00 14.85 14.84 0.07 426 428 0.47 12.9 10.4 21.46
TW4-13 72 75 OK 1508 1534 1.71 6.82 6.84 0.29 15.33 15.23 0.65 438 436 0.46 69.2 53.1 26.33
TW4-14 6 6 OK -- -- -- -- --
TW4-15 3455 3461 0.17 6.33 6.34 0.16 15 15 0.00 194 198 2.04 0.7 0.7 0.00
TW4-16 101 110 OK 3622 3640 0.50 6.3 6.3 0.00 14.97 14.98 0.07 398 402 1.00 74.9 97.1 25.81
TW4-17 73 74 OK 3835 3834 0.03 6.94 6.94 0.00 14.81 14.78 0.20 146 144 1.38 13.1 16.1 20.55
TW4-18 106 110 OK 1420 1406 0.99 6.3 6.31 0.16 15.54 15.52 0.13 434 434 0.00 397.8 345.3 14.13
TW4-19 2889 2897 0.28 6.41 6.42 0.16 16.46 16.45 0.06 192 196 2.06 9.8 11.7 17.67
TW4-20 3734 3786 1.38 5.86 5.91 0.85 17.37 17.31 0.35 292 294 0.68 3.4 4.4 25.64
TW4-21 83 90 OK 3167 3176 0.28 6.59 6.59 0.00 16.15 16.19 0.25 422 423 0.24 26.9 49.6 59.35
TW4-22 76 80 OK 5232 5079 2.97 6.55 6.55 0.00 15.44 14.43 6.76 418 421 0.72 32.3 34.3 6.01
TW4-23 63 90 OK 3658 3687 0.79 6.33 6.27 0.95 14.46 14.46 0.00 173 172 0.58 193.3 143.1 29.85
TW4-24 74 80 OK 8750 8743 0.08 6.31 6.31 0.00 15.25 15.24 0.07 360 359 0.28 5.4 6.3 15.38
TW4-25 117 130 OK 2943 2943 0.00 6.83 6.85 0.29 15.23 15.23 0.00 437 438 0.23 16.8 17.1 1.77
MW-4, TW4-4, TW4-15, TW4-19, and TW4-20 are continually pumped wells.
TW4-2, TW4-3, TW4-7, TW4-9, TW4-10, and TW4-14 were pumped dry and sampled after recovery.
Conductivity pH Temp Redox Potential Turbidity
35.735724.916.652191
--
--
--
--
--
I-2: Holding Time Evaluation
Location
Holding Time
Check
MW-4 8.00 days 14 days OK
MW-4 9.00 days 14 days OK
MW-4 9.00 days 14 days OK
MW-4 9.00 days 14 days OK
MW-4 11.00 days 28 days OK
MW-4 9.00 days 28 days OK
TW4-1 7.00 days 14 days OK
TW4-1 8.00 days 14 days OK
TW4-1 8.00 days 14 days OK
TW4-1 8.00 days 14 days OK
TW4-1 10.00 days 28 days OK
TW4-1 8.00 days 28 days OK
TW4-2 7.00 days 14 days OK
TW4-2 8.00 days 14 days OK
TW4-2 8.00 days 14 days OK
TW4-2 8.00 days 14 days OK
TW4-2 10.00 days 28 days OK
TW4-2 8.00 days 28 days OK
TW4-3 8.00 days 14 days OK
TW4-3 8.00 days 14 days OK
TW4-3 8.00 days 14 days OK
TW4-3 8.00 days 14 days OK
TW4-3 13.00 days 28 days OK
TW4-3 7.00 days 28 days OK
TW4-4 8.00 days 14 days OK
TW4-4 8.00 days 14 days OK
TW4-4 8.00 days 14 days OK
TW4-4 8.00 days 14 days OK
TW4-4 11.00 days 28 days OK
TW4-4 5.00 days 28 days OK
TW4-5 9.00 days 14 days OK
TW4-5 9.00 days 14 days OK
TW4-5 9.00 days 14 days OK
TW4-5 9.00 days 14 days OK
TW4-5 12.00 days 28 days OK
TW4-5 6.00 days 28 days OK
TW4-6 11.00 days 14 days OK
TW4-6 8.00 days 14 days OK
TW4-6 8.00 days 14 days OK
TW4-6 8.00 days 14 days OK
TW4-6 11.00 days 28 days OK
TW4-6 5.00 days 28 days OK
TW4-7 11.00 days 14 days OK
TW4-7 8.00 days 14 days OK
TW4-7 8.00 days 14 days OK
TW4-7 8.00 days 14 days OK
TW4-7 11.00 days 28 days OK
Holding Time
Allowed Holding
Time
I-2: Holding Time Evaluation
Location
Holding Time
CheckHolding Time
Allowed Holding
Time
TW4-7 5.00 days 28 days OK
TW4-8 7.00 days 14 days OK
TW4-8 7.00 days 14 days OK
TW4-8 7.00 days 14 days OK
TW4-8 7.00 days 14 days OK
TW4-8 12.00 days 28 days OK
TW4-8 6.00 days 28 days OK
TW4-9 7.00 days 14 days OK
TW4-9 7.00 days 14 days OK
TW4-9 7.00 days 14 days OK
TW4-9 7.00 days 14 days OK
TW4-9 12.00 days 28 days OK
TW4-9 6.00 days 28 days OK
TW4-10 12.00 days 14 days OK
TW4-10 9.00 days 14 days OK
TW4-10 9.00 days 14 days OK
TW4-10 9.00 days 14 days OK
TW4-10 11.00 days 28 days OK
TW4-10 5.00 days 28 days OK
TW4-11 11.00 days 14 days OK
TW4-11 8.00 days 14 days OK
TW4-11 8.00 days 14 days OK
TW4-11 8.00 days 14 days OK
TW4-11 11.00 days 28 days OK
TW4-11 5.00 days 28 days OK
TW4-12 8.00 days 14 days OK
TW4-12 8.00 days 14 days OK
TW4-12 8.00 days 14 days OK
TW4-12 8.00 days 14 days OK
TW4-12 13.00 days 28 days OK
TW4-12 7.00 days 28 days OK
TW4-13 8.00 days 14 days OK
TW4-13 8.00 days 14 days OK
TW4-13 8.00 days 14 days OK
TW4-13 8.00 days 14 days OK
TW4-13 13.00 days 28 days OK
TW4-13 7.00 days 28 days OK
TW4-14 8.00 days 14 days OK
TW4-14 8.00 days 14 days OK
TW4-14 8.00 days 14 days OK
TW4-14 8.00 days 14 days OK
TW4-14 13.00 days 28 days OK
TW4-14 7.00 days 28 days OK
TW4-15 8.00 days 14 days OK
TW4-15 8.00 days 14 days OK
TW4-15 8.00 days 14 days OK
TW4-15 8.00 days 14 days OK
TW4-15 12.00 days 28 days OK
I-2: Holding Time Evaluation
Location
Holding Time
CheckHolding Time
Allowed Holding
Time
TW4-15 6.00 days 28 days OK
TW4-16 8.00 days 14 days OK
TW4-16 8.00 days 14 days OK
TW4-16 8.00 days 14 days OK
TW4-16 8.00 days 14 days OK
TW4-16 12.00 days 28 days OK
TW4-16 6.00 days 28 days OK
TW4-17 9.00 days 14 days OK
TW4-17 9.00 days 14 days OK
TW4-17 9.00 days 14 days OK
TW4-17 9.00 days 14 days OK
TW4-17 11.00 days 28 days OK
TW4-17 9.00 days 28 days OK
TW4-18 10.00 days 14 days OK
TW4-18 10.00 days 14 days OK
TW4-18 10.00 days 14 days OK
TW4-18 10.00 days 14 days OK
TW4-18 13.00 days 28 days OK
TW4-18 6.00 days 28 days OK
TW4-19 7.00 days 14 days OK
TW4-19 7.00 days 14 days OK
TW4-19 7.00 days 14 days OK
TW4-19 7.00 days 14 days OK
TW4-19 12.00 days 28 days OK
TW4-19 6.00 days 28 days OK
TW4-20 8.00 days 14 days OK
TW4-20 10.00 days 14 days OK
TW4-20 10.00 days 14 days OK
TW4-20 10.00 days 14 days OK
TW4-20 11.00 days 28 days OK
TW4-20 9.00 days 28 days OK
TW4-21 9.00 days 14 days OK
TW4-21 9.00 days 14 days OK
TW4-21 9.00 days 14 days OK
TW4-21 9.00 days 14 days OK
TW4-21 12.00 days 28 days OK
TW4-21 5.00 days 28 days OK
TW4-22 7.00 days 14 days OK
TW4-22 8.00 days 14 days OK
TW4-22 8.00 days 14 days OK
TW4-22 8.00 days 14 days OK
TW4-22 10.00 days 28 days OK
TW4-22 8.00 days 28 days OK
TW4-23 8.00 days 14 days OK
TW4-23 8.00 days 14 days OK
TW4-23 8.00 days 14 days OK
TW4-23 8.00 days 14 days OK
TW4-23 13.00 days 28 days OK
I-2: Holding Time Evaluation
Location
Holding Time
CheckHolding Time
Allowed Holding
Time
TW4-23 7.00 days 28 days OK
TW4-24 8.00 days 14 days OK
TW4-24 8.00 days 14 days OK
TW4-24 8.00 days 14 days OK
TW4-24 8.00 days 14 days OK
TW4-24 12.00 days 28 days OK
TW4-24 6.00 days 28 days OK
TW4-25 8.00 days 14 days OK
TW4-25 8.00 days 14 days OK
TW4-25 8.00 days 14 days OK
TW4-25 8.00 days 14 days OK
TW4-25 13.00 days 28 days OK
TW4-25 7.00 days 28 days OK
TW4-26 9.00 days 14 days OK
TW4-26 9.00 days 14 days OK
TW4-26 9.00 days 14 days OK
TW4-26 9.00 days 14 days OK
TW4-26 10.00 days 28 days OK
TW4-26 8.00 days 28 days OK
TW4-60 11.00 days 14 days OK
TW4-60 11.00 days 14 days OK
TW4-60 11.00 days 14 days OK
TW4-60 11.00 days 14 days OK
TW4-60 11.00 days 28 days OK
TW4-60 5.00 days 28 days OK
TW4-65 11.00 days 14 days OK
TW4-65 8.00 days 14 days OK
TW4-65 8.00 days 14 days OK
TW4-65 8.00 days 14 days OK
TW4-65 11.00 days 28 days OK
TW4-65 5.00 days 28 days OK
TW4-70 9.00 days 14 days OK
TW4-70 9.00 days 14 days OK
TW4-70 9.00 days 14 days OK
TW4-70 9.00 days 14 days OK
TW4-70 11.00 days 28 days OK
TW4-70 9.00 days 28 days OK
Table I-3 Recipt Temperature Check
Sample Batch Wells in Batch Temperature
C10060476 TW4-3, TW4-3R, TW4-4, TW4-5, TW4-5R, TW4-6, TW4-
6R, TW4-7, TW4-7R, TW4-8, TW4-8R, TW4-9, TW4-9R,
TW4-10, TW4-10R, TW4-11, Tw4-11R, TW4-12, TW4-
12R, TW4-13, TW4-13R, TW4-14, TW4-14R, TW4-15,
TW4-16, TW4-16R, TW4-18, TW4-18R, TW4-19, TW4-
21, TW4-21R, TW4-23, TW4-23R, TW4-24, TW4-24R,
TW4-25, TW4-25R, TW4-60, and TW4-65
3 ˚C
C10060760 TW4-1, TW4-1R, TW4-2, TW4-2R, TW4-4, TW4-17,
TW4-20, TW4-22, TW4-22R, TW4-26, TW4-26R, and
TW4-70
4 ˚C
I-4 Analytical Method Check
Parameter Method Method Used by Lab
Carbon Tetrachloride SW8260B SW8260B
Chloride A4500-Cl B A4500-Cl B
Chloroform SW8260B SW8260B
Chloromethane SW8260B SW8260B
Methylene chloride SW8260B SW8260B
Nitrogen E353.2 E353.2
All parameters were analyzed using the reporting method specificied in the QAP
I-5 Reporting Limit Evaluation
Location Constituent Qualifier
Qualifier
Check
MW-4 Chloroform 100 ug/L 1.0 ug/L D OK
MW-4 Chloromethane 1 ug/L 1.0 ug/L U OK
MW-4 Methylene chloride 1 ug/L 1.0 ug/L U OK
MW-4 Carbon Tetrachloride 1 ug/L 1.0 ug/L OK
MW-4 Nitrogen 0.5 mg/L 0.1 mg/L D OK
MW-4 Chloride 1 mg/L 1 mg/L OK
TW4-1 Chloroform 100 ug/L 1.0 ug/L D OK
TW4-1 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-1 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-1 Carbon Tetrachloride 1 ug/L 1.0 ug/L OK
TW4-1 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-1 Chloride 1 mg/L 1 mg/L OK
TW4-2 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-2 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-2 Carbon Tetrachloride 1 ug/L 1.0 ug/L OK
TW4-2 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-2 Chloride 1 mg/L 1 mg/L OK
TW4-3 Chloroform 1 ug/L 1.0 ug/L U OK
TW4-3 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-3 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-3 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-3 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-3 Chloride 1 mg/L 1 mg/L OK
TW4-4 Chloroform 100 ug/L 1.0 ug/L D OK
TW4-4 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-4 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-4 Carbon Tetrachloride 1 ug/L 1.0 ug/L OK
TW4-4 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-4 Chloride 1 mg/L 1 mg/L OK
TW4-5 Chloroform 1 ug/L 1.0 ug/L OK
TW4-5 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-5 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-5 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-5 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-5 Chloride 1 mg/L 1 mg/L OK
TW4-6 Chloroform 100 ug/L 1.0 ug/L D OK
TW4-6 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-6 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-6 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-6 Nitrogen 0.2 mg/L 0.1 mg/L D OK
TW4-6 Chloride 1 mg/L 1 mg/L OK
TW4-7 Chloroform 100 ug/L 1.0 ug/L D OK
TW4-7 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-7 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-7 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-7 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-7 Chloride 1 mg/L 1 mg/L OK
TW4-8 Chloroform 1 ug/L 1.0 ug/L U OK
Rqd'
Reporting
Limit
Lab Reporting
Limit
I-5 Reporting Limit Evaluation
Location Constituent Qualifier
Qualifier
Check
Rqd'
Reporting
Limit
Lab Reporting
Limit
TW4-8 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-8 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-8 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-8 Nitrogen 0.1 mg/L 0.1 mg/L U OK
TW4-8 Chloride 1 mg/L 1 mg/L OK
TW4-9 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-9 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-9 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-9 Nitrogen 0.2 mg/L 0.1 mg/L D OK
TW4-9 Chloride 1 mg/L 1 mg/L OK
TW4-10 Chloroform 20 ug/L 1.0 ug/L D OK
TW4-10 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-10 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-10 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-10 Nitrogen 0.2 mg/L 0.1 mg/L D OK
TW4-10 Chloride 1 mg/L 1 mg/L OK
TW4-11 Chloroform 100 ug/L 1.0 ug/L D OK
TW4-11 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-11 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-11 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-11 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-11 Chloride 1 mg/L 1 mg/L OK
TW4-12 Chloroform 1 ug/L 1.0 ug/L U OK
TW4-12 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-12 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-12 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-12 Nitrogen 1 mg/L 0.1 mg/L D OK
TW4-12 Chloride 1 mg/L 1 mg/L OK
TW4-13 Chloroform 1 ug/L 1.0 ug/L U OK
TW4-13 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-13 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-13 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-13 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-13 Chloride 1 mg/L 1 mg/L OK
TW4-14 Chloroform 1 ug/L 1.0 ug/L U OK
TW4-14 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-14 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-14 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-14 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-14 Chloride 1 mg/L 1 mg/L OK
TW4-15 Chloroform 100 ug/L 1.0 ug/L D OK
TW4-15 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-15 Methylene chloride 1 ug/L 1.0 ug/L OK
TW4-15 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-15 Nitrogen 0.1 mg/L 0.1 mg/L OK
TW4-15 Chloride 1 mg/L 1 mg/L OK
TW4-16 Chloroform 1 ug/L 1.0 ug/L OK
TW4-16 Chloromethane 1 ug/L 1.0 ug/L U OK
I-5 Reporting Limit Evaluation
Location Constituent Qualifier
Qualifier
Check
Rqd'
Reporting
Limit
Lab Reporting
Limit
TW4-16 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-16 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-16 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-16 Chloride 1 mg/L 1 mg/L OK
TW4-17 Chloroform 1 ug/L 1.0 ug/L U OK
TW4-17 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-17 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-17 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-17 Nitrogen 0.1 mg/L 0.1 mg/L U OK
TW4-17 Chloride 1 mg/L 1 mg/L OK
TW4-18 Chloroform 1 ug/L 1.0 ug/L OK
TW4-18 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-18 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-18 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-18 Nitrogen 1 mg/L 0.1 mg/L D OK
TW4-18 Chloride 1 mg/L 1 mg/L OK
TW4-19 Chloroform 100 ug/L 1.0 ug/L D OK
TW4-19 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-19 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-19 Carbon Tetrachloride 1 ug/L 1.0 ug/L OK
TW4-19 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-19 Chloride 1 mg/L 1 mg/L OK
TW4-20 Chloroform 1000 ug/L 1.0 ug/L D OK
TW4-20 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-20 Methylene chloride 1 ug/L 1.0 ug/L OK
TW4-20 Carbon Tetrachloride 1 ug/L 1.0 ug/L OK
TW4-20 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-20 Chloride 1 mg/L 1 mg/L OK
TW4-21 Chloroform 10 ug/L 1.0 ug/L D OK
TW4-21 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-21 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-21 Carbon Tetrachloride 1 ug/L 1.0 ug/L OK
TW4-21 Nitrogen 1 mg/L 0.1 mg/L D OK
TW4-21 Chloride 1 mg/L 1 mg/L OK
TW4-22 Chloroform 100 ug/L 1.0 ug/L D OK
TW4-22 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-22 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-22 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-22 Nitrogen 1 mg/L 0.1 mg/L D OK
TW4-22 Chloride 1 mg/L 1 mg/L OK
TW4-23 Chloroform 1 ug/L 1.0 ug/L U OK
TW4-23 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-23 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-23 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-23 Nitrogen 0.1 mg/L 0.1 mg/L U OK
TW4-23 Chloride 1 mg/L 1 mg/L OK
TW4-24 Chloroform 1 ug/L 1.0 ug/L OK
TW4-24 Chloromethane 1 ug/L 1.0 ug/L U OK
I-5 Reporting Limit Evaluation
Location Constituent Qualifier
Qualifier
Check
Rqd'
Reporting
Limit
Lab Reporting
Limit
TW4-24 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-24 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-24 Nitrogen 1 mg/L 0.1 mg/L D OK
TW4-24 Chloride 1 mg/L 1 mg/L OK
TW4-25 Chloroform 1 ug/L 1.0 ug/L U OK
TW4-25 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-25 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-25 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-25 Nitrogen 1 mg/L 0.1 mg/L D OK
TW4-25 Chloride 1 mg/L 1 mg/L OK
TW4-26 Chloroform 1 ug/L 1.0 ug/L OK
TW4-26 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-26 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-26 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-26 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-26 Chloride 1 mg/L 1 mg/L OK
TW4-60 Chloroform 1 ug/L 1.0 ug/L OK
TW4-60 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-60 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-60 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-60 Nitrogen 0.1 mg/L 0.1 mg/L U OK
TW4-60 Chloride 1 mg/L 1 mg/L U OK
TW4-65 Chloroform 1000 ug/L 1.0 ug/L D OK
TW4-65 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-65 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-65 Carbon Tetrachloride 1 ug/L 1.0 ug/L OK
TW4-65 Nitrogen 0.5 mg/L 0.1 mg/L D OK
TW4-65 Chloride 1 mg/L 1 mg/L OK
TW4-70 Chloroform 1 ug/L 1.0 ug/L U OK
TW4-70 Chloromethane 1 ug/L 1.0 ug/L U OK
TW4-70 Methylene chloride 1 ug/L 1.0 ug/L U OK
TW4-70 Carbon Tetrachloride 1 ug/L 1.0 ug/L U OK
TW4-70 Nitrogen 0.1 mg/L 0.1 mg/L U OK
TW4-70 Chloride 1 mg/L 1 mg/L OK
I-6 Trip Blank Evaluation
Lab Report Constituent
Carbon tetrachloride ND ug/L
Chloroform ND ug/L
Chloromethane ND ug/L
Methylene chloride ND ug/L
Carbon tetrachloride ND ug/L
Chloroform ND ug/L
Chloromethane ND ug/L
Methylene chloride ND ug/L
C10060476
C10060760
Result
I-7 QA/QC Evaluation for Sample Duplicates
Constituent TW4-4 TW4-65 %RPD
Carbon Tetrachloride 1.2 1.4 15
Chloride 35 35 0
Chloroform 2000 2200 10
Chloromethane 0 0 0
Methylene Chloride 0 0 0
Constituent TW4-17 TW4-70 %RPD
Carbon Tetrachloride 0 0 0
Chloride 32 30 6
Chloroform 0 0 0
Chloromethane 0 0 0
Methylene Chloride 0 0 0
I-8 QC Control Limits for Analysis and Blanks
Matrix Spike % Recovery Comparison
Lab Report Lab Sample ID Well Analyte
MS
%REC
MSD
%REC
REC
Range RPD
C10060760 C10060481-010 NA Chloroform 131 134 70 - 130 2.4
C10060760 C10060481-010 NA Chloromethane 138 151 70 - 130 9.2
C10060760 C10060481-010 NA Methylene Chloride 134 142 70 - 130 5.4
C10060760 C10060870-006 NA Chloromethane 99 81 70 - 130 20
C10060476 C10060476-027 TW4-19 Carbon Tetrachloride 142 124 70 - 130 14
C10060476 C10060476-030 TW4-4 Cloromethane 146 141 70 - 130 3.6
C10060476 C10060481-010 NA Chloroform 131 134 70 - 130 2.4
Surrogate % Recovery
Lab Report Well/Sample Analyte Surrogate %REC
Lab
Specified
REC
Range
QAP
Required
Range
C10060760 TW4-1 p-Bromofluorobenzene 124 80 - 120 None
C10060760 MW-4 p-Bromofluorobenzene 122 80 - 120 None
C10060760 TW4-22 p-Bromofluorobenzene 125 80 - 120 None
C10060760 TW4-22 p-Bromofluorobenzene 125 80 - 120 None
C10060760 TW4-70 p-Bromofluorobenzene 122 80 - 120 None
C10060760 TW4-17 p-Bromofluorobenzene 121 80 - 120 None
C10060760 TW4-26R p-Bromofluorobenzene 79 80 - 120 None
C10060760 Trip Blank p-Bromofluorobenzene 123 80 - 120 None
C10060760 Method Blank p-Bromofluorobenzene 124 80 - 120 None
C10060476 TW4-26R Dibromofluoromethane 62 70 - 130 None
C10060476 Method Blank p-Bromofluorobenzene 124 80 - 120 None
NA = MS samples were not Denison samples.
I-9 Rinsate Evaluation
Rinsate Sample Parameter Sample Date
Well
Sampled Qualifier
Reporting
Limit
TW4-3R Nitrogen 0.1 mg/L 6/7/2010 NA NA NA
TW4-3R Chloroform 13 ug/L 6/7/2010 NA NA NA
TW4-12R Nitrogen 0.1 mg/L 6/7/2010 TW4-3 3 mg/L D 0.1 ug/L
TW4-12R Chloroform 19 ug/L 6/7/2010 TW4-3 0 ug/L U 1.0 ug/L
TW4-13R Chloroform 16 ug/L 6/7/2010 TW4-12 0 ug/L 0.1 ug/L
TW4-14R Chloroform 5 ug/L 6/7/2010 TW4-13 0 ug/L U 1.0 ug/L
TW4-14R Nitrogen 0.1 mg/L 6/7/2010 TW4-13 0 ug/L U 1.0 ug/L
TW4-23R Chloroform 5.2 ug/L 6/7/2010 TW4-14 0 ug/L U 1.0 ug/L
TW4-23R Nitrogen 0.1 mg/L 6/7/2010 TW4-14 2.9 mg/L D 0.1 ug/L
TW4-25R Chloroform 13 ug/L 6/7/2010 TW4-23 0 ug/L U 1.0 ug/L
TW4-25R Nitrogen 0.1 mg/L 6/7/2010 TW4-23 0 mg/L U 0.1 ug/L
TW4-8R Chloroform 4.6 ug/L 6/8/2010 TW4-25 0 ug/L U 1.0 ug/L
TW4-8R Nitrogen 0.1 mg/L 6/8/2010 TW4-25 16 mg/L D 0.1 ug/L
TW4-9R Chloroform 4 ug/L 6/8/2010 TW4-8 0 ug/L U 1.0 ug/L
TW4-9R Nitrogen 0.1 mg/L 6/8/2010 TW4-8 0 mg/L U 0.1 ug/L
TW4-16R Chloroform 4 ug/L 6/8/2010 TW4-9 0 ug/L U 1.0 ug/L
TW4-16R Nitrogen 0.1 mg/L 6/8/2010 TW4-9 1.5 mg/L D 0.1 ug/L
TW4-24R Chloroform 4 ug/L 6/8/2010 TW4-16 2.1 ug/L 1.0 ug/L
TW4-24R Nitrogen 0.1 mg/L 6/8/2010 TW4-16 4.7 mg/L D 0.1 ug/L
TW4-5R Chloroform 5.1 ug/L 6/8/2010 TW4-24 1.7 ug/L 1.0 ug/L
TW4-18R Chloroform 15 ug/L 6/8/2010 TW4-5 0 ug/L U 0.1 ug/L
TW4-18R Nitrogen 0.1 mg/L 6/8/2010 TW4-5 12 ug/L 1.0 ug/L
TW4-21R Chloroform 4.6 ug/L 6/9/2010 TW4-18 29 ug/L 1.0 ug/L
TW4-21R Nitrogen 0.1 mg/L 6/9/2010 TW4-18 9 mg/L D 0.1 ug/L
TW4-10R Chloroform 6.1 ug/L 6/9/2010 TW4-21 210 ug/L 1.0 ug/L
TW4-11R Chloroform 5.8 ug/L 6/9/2010 TW4-10 0 ug/L U 0.1 ug/L
TW4-11R Nitrogen 0.1 mg/L 6/9/2010 TW4-10 220 ug/L 1.0 ug/L
TW4-6R Nitrogen 0.1 mg/L 6/9/2010 TW4-11 820 ug/L 1.0 ug/L
TW4-6R Chloroform 6.2 ug/L 6/9/2010 TW4-11 6.9 mg/L D 0.1 ug/L
TW4-7R Nitrogen 0.1 mg/L 6/9/2010 TW4-6 2.5 mg/L D 1.0 ug/L
TW4-7R Chloroform 39 ug/L 6/9/2010 TW4-6 590 ug/L 1.0 ug/L
TW4-1R Chloroform 34 ug/L 6/14/2010 TW4-7 1100 ug/L 1.0 ug/L
TW4-22R Chloroform 27 ug/L 6/14/2010 TW4-1 1600 ug/L 1.0 ug/L
TW4-2R Chloroform 41 ug/L 6/14/2010 TW4-22 540 ug/L 1.0 ug/L
TW4-26R Chloroform 34 ug/L 6/14/2010 TW4-2 3300 ug/L 1.0 ug/L
TW4-26R Nitrogen 0.2 mg/L 6/14/2010 TW4-2 0 ug/L U 0.1 ug/L
Rinsate Result
Previous Well
Sampled
Previous well sampled is the well that the pump was used to purge prior to the rinsate sample.

Tab J
Kriged Current Quarter Chloroform Isoconcentration Map

HYDRO
GEO
CHEM, INC.APPROVED DATE REFERENCE FIGURE
3332
3000
SCALE IN FEET
0
NS
ND
NS
ND
ND
ND
ND
ND
NS
NS
NS
ND
NS
ND
NS
ND
NS
ND
ND
ND
ND 1600
3300
ND
2000
12
590
ND
220
820
ND
ND
ND
1900
ND
ND
291800
18000
210
540
13
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS
NS NS
NS
NS
NS
NS
NS
NS
NS
MW-01
MW-02
MW-03
MW-05
MW-11
MW-12
MW-14
MW-15
MW-17
MW-18
MW-19
MW-20
MW-22
MW-23
MW-24
MW-25
MW-27
MW-28
MW-29
MW-30
MW-31

MW-32

TW4-26
PIEZ-1
PIEZ-2
PIEZ-3
PIEZ-4
PIEZ-5
TWN-1
TWN-2
TWN-3
TWN-4
TWN-5
TWN-6
TWN-7
TWN-8
TWN-9
TWN-10
TWN-11 TWN-12
TWN-13
TWN-14
TWN-15
TWN-16
TWN-17
TWN-18
TWN-19
1100
2100 NDMW-04
ND
2
ND
MW-26
TW4-20
MW-4
PIEZ-1
1600
NS
perched monitoring well showing
concentration in uG/l
perched piezometer (not sampled)
temporary perched monitoring well
showing concentration in uG/l KRIGED 2nd QUARTER, 2010 CHLOROFORM (uG/L)
WHITE MESA SITE
H:/718000/aug10/chl0610.srf
EXPLANATION
NOTES: ND = not detected, NS = not sampled
SJS
2100
temporary perched nitrate
monitoring well (not sampled)
TWN-1
NS
temporary perched monitoring well installed
May, 2010 showing concentration in uG/l
TW4-26
13

Tab K
Analyte Concentrations Over Time

MW-4 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride (ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
28-Sep-99 6200
28-Sep-99 5820
28-Sep-99 6020
15-Mar-00 5520
15-Mar-00 5430
2-Sep-00 5420 9.63
30-Nov-00 6470 9.37
29-Mar-01 4360 8.77
22-Jun-01 6300 9.02
20-Sep-01 5300 9.45
8-Nov-01 5200 8
26-Mar-02 4700 8.19
22-May-02 4300 8.21
12-Sep-02 6000 8.45
24-Nov-02 2500
8.1
28-Mar-03 2000 8.3
30-Apr-03 3300 NA
30-May-03 3400
8.2
23-Jun-03 4300 8.2
30-Jul-03 3600 8.1
29-Aug-03 4100 8.4
12-Sep-03 3500
8.5
15-Oct-03 3800 8.1
8-Nov-03 3800 8
29-Mar-04 NA NA
22-Jun-04 NA NA
17-Sep-04 3300 6.71
17-Nov-04 4300 7.5
16-Mar-05 2900
6.3
25-May-05 3170 NA NA NA 7.1 NA
31-Aug-05 3500 <10 <10 <10 7.0 NA
1-Dec-05 3000 <50 <50 <50 7.0 NA
9-Mar-06 3100 <50 <50 50 6 49
14-Jun-06 3000 <50 <50 50 6 49
20-Jul-06 2820 <50 <50 <50 1.2 48
9-Nov-06 2830
2.1 1.4 <1 6.4 50
28-Feb-07 2300 1.6 <1 <1 6.3 47
27-Jun-07 2000 1.8 <1 <1 7 45
15-Aug-07 2600 1.9 <1 <1 6.2 47
10-Oct-07 2300 1.7 <1 <1 6.2 45
26-Mar-08 2400 1.7 <1 <1 5.8 42
25-Jun-08 2500 1.6 <1 <1 6.09 42
10-Sep-08 1800 1.8 <1 <1 6.36 35
15-Oct-08 2100 1.7 <1 <1 5.86 45
4-Mar-09 2200 1.5 <1 <1 5.7 37
MW-4 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride (ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
23-Jun-09 1800 1.3 <1 <1 5.2 34
14-Sep-09 2000 1.4 <1 <1 5.3 43
14-Dec-09 1800 1.6 ND ND 5.8 44
17-Feb-10 1600 1.2 ND ND445
TW4-1 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
28-Jun-99 1700 7.2
10-Nov-99 5.8
15-Mar-00 1100
10-Apr-00 1490
6-Jun-00 1530
2-Sep-00 2320 5.58
30-Nov-00 3440 7.79
29-Mar-01 2340 7.15
22-Jun-01 6000 8.81
20-Sep-01 12.8
8-Nov-01 3200 12.4
26-Mar-02 3200 13.1
22-May-02 2800 12.7
12-Sep-02 3300 12.8
24-Nov-02 3500 13.6
28-Mar-03 3000 12.4
23-Jun-03 3600 12.5
12-Sep-03 2700 12.5
8-Nov-03 3400 11.8
29-Mar-04 3200 11
22-Jun-04 3100 8.78
17-Sep-04 2800 10.8
17-Nov-04 3000 11.1
16-Mar-05 2700 9.1
25-May-05 3080
NA NA NA 10.6 NA
31-Aug-05 2900 <10 <10 <10 9.8 NA
1-Dec-05 2400
<50 <50 <50 9.7 NA
9-Mar-06 2700 <50 <50 <50 9.4 49
14-Jun-06 2200
<50 <50 <50 9.8 48
20-Jul-06 2840
<50 <50 <50 9.7 51
8-Nov-06 2260 1.4 <1 <1 9.4 47
28-Feb-07 1900 1.2 <1 <1 8.9 47
27-Jun-07 1900 1.4 <1 <1 9 45
15-Aug-07 2300 1.3 <1 <1 8.4 43
10-Oct-07 2000 1.3 <1 <1 7.8 43
26-Mar-08 2000 1.3 <1 <1 7.6 39
25-Jun-08 1900 1.1 <1 <1 8.68 39
10-Sep-08 1700 1.3 <1 <1 8.15 35
TW4-1 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
15-Oct-08 1700 1.3 <1 <1 9.3 41
11-Mar-09 1700 1.1 <1 <1 7.5 37
24-Jun-09 1500 1 <1 <1 6.9 37
15-Sep-09 1700 <1 <1 <1 7.3 36
29-Dec-09 1400 <1 <1 <1 6.8 41
3-Mar-10 1300 <1 <1 <1 7.1 35
15-Jun-10 1600 1.2 <1 <1 6.8 40
TW4-2 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
10-Nov-99 2510
2-Sep-00 5220
28-Nov-00 4220 10.7
29-Mar-01 3890 10.2
22-Jun-01 5500 9.67
20-Sep-01 4900 11.4
8-Nov-01 5300 10.1
26-Mar-02 5100 9.98
23-May-02 4700 9.78
12-Sep-02 6000 9.44
24-Nov-02 5400 10.4
28-Mar-03 4700 9.5
23-Jun-03 5100 9.6
12-Sep-03 3200 8.6
8-Nov-03 4700 9.7
29-Mar-04 4200 9.14
22-Jun-04 4300 8.22
17-Sep-04 4100 8.4
17-Nov-04 4500 8.6
16-Mar-05 3700 7.7
25-May-05 3750 8.6
31-Aug-05 3900 <10 <10 <10 8 NA
1-Dec-05 3500 <50 <50 <50 7.8 NA
9-Mar-06 3800 <50 <50 <50 7.5 56
14-Jun-06 3200 <50 <50 <50 7.1 56
20-Jul-06 4120
<50 <50 <50 7.4 54
8-Nov-06 3420 2.3 <1 <1 7.6 55
28-Feb-07 2900
1.8 <1 <1 7.3 54
27-Jun-07 3000
2.5 <1 <1 7.8 50
15-Aug-07 340
2.2 <1 <1 7.3 49
10-Oct-07 3200 2.1 <1 <1 6.9 51
26-Mar-08 3300 2.3 <1 <1 6.9 48
25-Jun-08 3100 2.2 <1 <1 7.44 46
10-Sep-08 2800 2.4 <1 <1 7.1 42
15-Oct-08 3200 2.4 <2 <2 7.99 47
11-Mar-09 3100 2.2 <1 <1 6.5 46
24-Jun-09 2800 2 <1 <1 6.4 44
15-Sep-09 3000 2 <1 <1 6.6 43
29-Dec-09 1600 2 <1 <1 6.4 46
TW4-2 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
3-Mar-10 2600 2 <1 <1 6.8 42
15-Jun-10 3300 2.6 <1 <1 6.7 43
TW4-3 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
28-Jun-99 3500 7.6
29-Nov-99 702
15-Mar-00 834
2-Sep-00 836 1.56
29-Nov-00 836 1.97
27-Mar-01 347 1.85
21-Jun-01 390 2.61
20-Sep-01 300 3.06
7-Nov-01 170 3.6
26-Mar-02 11 3.87
21-May-02 204 4.34
12-Sep-02 203 4.32
24-Nov-02 102 4.9
28-Mar-03 0 4.6
23-Jun-03 0 4.8
12-Sep-03 0 4.3
8-Nov-03 0 4.8
29-Mar-04 0 4.48
22-Jun-04 0 3.68
17-Sep-04 0 3.88
17-Nov-04 0 4.1
16-Mar-05 0 3.5
25-May-05 <1 NA NA NA 3.7 NA
31-Aug-05 <1 <1 6.4 <1 3.5 NA
1-Dec-05 <1 <1 2.3 <1 3.3 NA
9-Mar-06 <1 <1 2.2 <1 3.3 26
14-Jun-06 <1 <1 <1 <1 3.2 26
20-Jul-06 <1 <1 1.6 <1 2.9 26
8-Nov-06 <1 <1 <1 <1 1.5 23
28-Feb-07 <1 <1 <1 <1 3.1 22
27-Jun-07 <1 <1 <1 <1 3.3 23
15-Aug-07 <1 <1 <1 <1 3.1 24
10-Oct-07 <1 <1 <1 <1 2.8 27
26-Mar-08 <1 <1 <1 <1 2.8 21
25-Jun-08 <1 <1 <1 <1 2.85 19
10-Sep-08 <1 <1 <1 <1 2.66 19
15-Oct-08 <1 <1 <1 <1 2.63 22
4-Mar-09 <1 <1 <1 <1 2.5 21
24-Jun-09 <1 <1 <1 <1 2.9 20
TW4-3 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
15-Sep-09 <1 <1 <1 <1 2.8 21
16-Dec-09 <1 <1 <1 <1 2.5 22
23-Feb-10 <1 <1 <1 <1 2.8 23
8-Jun-10 <1 <1 <1 <1 3 24
TW4-4 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
6-Jun-00 0
2-Sep-00 0
28-Nov-00 3.9
28-Mar-01 2260 1.02
20-Jun-01 3100 14.5
20-Sep-01 3200 14
8-Nov-01 2900 14.8
26-Mar-02 3400 15
22-May-02 3200 13.2
12-Sep-02 4000 13.4
24-Nov-02 3800 12.6
28-Mar-03 3300 13.4
23-Jun-03 3600 12.8
12-Sep-03 2900 12.3
8-Nov-03 3500 12.3
29-Mar-04 3200 12.2
22-Jun-04 3500 12.1
17-Sep-04 3100 11.1
17-Nov-04 3600 10.8
16-Mar-05 3100 11.6
25-May-05 2400 NA NA NA 11.3 NA
31-Aug-05 3200 <10 <10 <10 9.9 NA
1-Dec-05 2800 <50 <50 <50 10.2 NA
9-Mar-06 2900 <50 <50 <50 9.5 51
14-Jun-06 2600 <50 <50 <50 8.6 48
20-Jul-06 2850
<50 <50 <50 9.7 50
8-Nov-06 2670 1.7 <1 <1 10.1 49
28-Feb-07 2200
1.5 <1 <1 9 49
27-Jun-07 2400
1.7 <1 <1 9.4 47
15-Aug-07 2700
1.5 <1 <1 9.5 45
10-Oct-07 2500 1.5 <1 <1 9.5 47
26-Mar-08 2800 1.6 <1 <1 9.2 43
25-Jun-08 2500 1.5 <1 <1 10.8 42
10-Sep-08 2200 1.4 <1 <1 8.83 39
15-Oct-08 2500 2 <2 <2 10.1 44
4-Mar-09 2200 1.2 <1 <1 10.2 37
24-Jun-09 1800 1.2 <1 <1 8.2 34
15-Sep-09 2000 1.1 <1 <1 8.4 39
29-Dec-09 950 1.1 <1 <1 7.6 41
TW4-4 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
17-Feb-10 1700 1 <1 <1 6.6 48
10-Jun-10 2000 1.2 <1 <1 7.6 35
TW4-5 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
20-Dec-99 29.5
15-Mar-00 49.0
2-Sep-00 124
29-Nov-00 255
28-Mar-01 236
20-Jun-01 240
20-Sep-01 240
7-Nov-01 260
26-Mar-02 260
22-May-02 300
12-Sep-02 330
24-Nov-02 260
28-Mar-03 240
23-Jun-03 290
12-Sep-03 200
8-Nov-03 240
29-Mar-04 210
22-Jun-04 200
17-Sep-04 150
17-Nov-04 180
16-Mar-05 120
25-May-05 113 NA NA NA 3.7 NA
31-Aug-05 82.0 <2.5 5.8 <2.5 6 NA
1-Dec-05 63.0 <2.5 2.5 <2.5 6 NA
9-Mar-06 66.0 <2.5 3.1 <2.5 6 52
14-Jun-06 51.0
<1 <2.5 <2.5 5.9 51
20-Jul-06 53.7 <1 <1 <1 6.7 54
8-Nov-06 47.1
<1 <1 <1 2.9 55
28-Feb-07 33.0
<1 <1 <1 7.8 57
27-Jun-07 26.0
<1 <1 <1 7 45
15-Aug-07 9.2 <1 <1 <1 7.7 38
10-Oct-07 9.4 <1 <1 <1 8.2 39
26-Mar-08 11.0 <1 <1 <1 7.4 36
25-Jun-08 9.3 <1 <1 <1 8.7 37
10-Sep-08 11.0 <1 <1 <1 7.91 34
15-Oct-08 10.0 <1 <1 <1 9.3 37
4-Mar-09 12.0 <1 <1 <1 7.9 34
24-Jun-09 13.0 <1 <1 <1 7.5 37
15-Sep-09 12.0 <1 <1 <1 8.3 48
TW4-5 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
22-Dec-09 8.5 <1 <1 <1 7.5 41
25-Feb-10 13.0 <1 <1 <1 6.8 43
9-Jun-10 12.0 <1 <1 <1 7.1 28
TW4-6 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
6-Jun-00 0
2-Sep-00 0
28-Nov-00 0 ND
26-Mar-01 0 0.13
20-Jun-01 0 ND
20-Sep-01 4 ND
7-Nov-01 1 ND
26-Mar-02 0 ND
21-May-02 0 ND
12-Sep-02 0 ND
24-Nov-02 0 ND
28-Mar-03 0 0.1
23-Jun-03 0 ND
12-Sep-03 0 ND
8-Nov-03 0 ND
29-Mar-04 0 ND
22-Jun-04 0 ND
17-Sep-04 0 ND
17-Nov-04 0 ND
16-Mar-05 0 0.2
25-May-05 2.5 NA NA NA 0.4 NA
31-Aug-05 10.0 <1 2.8 <1 0.8 NA
1-Dec-05 17.0 <1 1.3 <1 0.9 NA
9-Mar-06 31.0 <1 <1 <1 1.2 31
14-Jun-06 19.0
<1 <1 <1 1 30
20-Jul-06 11.0
<1 <1 <1 0.6 37
8-Nov-06 42.8
<1 <1 <1 1.4 65
28-Feb-07 46.0
<1 <1 <1 1.5 32
27-Jun-07 11.0
<1 <1 <1 0.6 38
15-Aug-07 18.0
<1 <1 <1 0.7 36
10-Oct-07 18.0 <1 <1 <1 0.8 38
26-Mar-08 52.0 <1 <1 <1 1.1 33
25-Jun-08 24.0 <1 <1 <1 0.9 35
10-Sep-08 39.0 <1 <1 <1 1.14 35
15-Oct-08 37.0 <1 <1 <1 1.01 33
11-Mar-09 81.0 <1 <1 <1 2.2 35
24-Jun-09 120 <1 <1 <1 2.7 37
15-Sep-09 280 <1 <1 <1 5.0 37
22-Dec-09 250 <1 <1 <1 6.1 41
25-Feb-10 1000 <1 <1 <1 1.6 45
10-Jun-10 590 <1 <1 <1 2.5 33
TW4-7 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
29-Nov-99 256
15-Mar-00 616
2-Sep-00 698
29-Nov-00 684 1.99
28-Mar-01 747 2.46
20-Jun-01 1100 2.65
20-Sep-01 1200 3.38
8-Nov-01 1100 2.5
26-Mar-02 1500 3.76
23-May-02 1600 3.89
12-Sep-02 1500 3.18
24-Nov-02 2300 4.6
28-Mar-03 1800 4.8
23-Jun-03 5200 7.6
12-Sep-03 3600 7.6
8-Nov-03 4500 7.1
29-Mar-04 2500 4.63
22-Jun-04 2900 4.83
17-Sep-04 3100 5.59
17-Nov-04 3800 6
16-Mar-05 3100 5.2
25-May-05 2700 NA NA NA 5.4 NA
31-Aug-05 3100 <10 <10 <10 5.2 NA
1-Dec-05 2500 <50 <50 <50 5.3 NA
9-Mar-06 1900 <50 <50 <50 1 48
14-Jun-06 2200
<50 <50 <50 4.5 47
20-Jul-06 2140 <50 <50 <50 4.7 51
8-Nov-06 2160
1.5 <1 <1 4.6 49
28-Feb-07 1800
1.1 <1 <1 5 47
27-Jun-07 2600
1.5 <1 <1 5.1 45
14-Aug-07 2300 1.4 <1 <1 4.7 44
10-Oct-07 1900 1.2 <1 <1 4.7 45
26-Mar-08 2200 1.3 <1 <1 4.2 43
25-Jun-08 1800 1.3 <1 <1 4.8 43
10-Sep-08 1600 1.4 <1 <1 4.16 35
15-Oct-08 1900 <2 <2 <2 4.01 40
11-Mar-09 1800 1.2 <1 <1 3.7 35
24-Jun-09 1400 <1 <1 <1 3.8 37
15-Sep-09 1500 1.0 <1 <1 4.1 37
TW4-7 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
29-Dec-09 1300 <1 <1 <1 4.2 37
3-Mar-10 1200 <1 <1 <1 3.8 36
10-Jun-10 1100 <1 <1 <1 3.9 31
TW4-8 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
29-Nov-99 0
15-Mar-00 21.8
2-Sep-00 102
29-Nov-00 107 ND
26-Mar-01 116 ND
20-Jun-01 180 ND
20-Sep-01 180 0.35
7-Nov-01 180 ND
26-Mar-02 190 0.62
22-May-02 210 0.77
12-Sep-02 300 ND
24-Nov-02 450 ND
28-Mar-03 320 0.8
23-Jun-03 420 ND
12-Sep-03 66.0 ND
8-Nov-03 21.0 0.1
29-Mar-04 24.0 0.65
22-Jun-04 110 0.52
17-Sep-04 120 ND
17-Nov-04 120 ND
16-Mar-05 10.0 ND
25-May-05 <1 NA NA NA 0.2 NA
31-Aug-05 1.1 <1 1.7 <1 <0.1 NA
30-Nov-05 <1 <1 <1 <1 <0.1 NA
9-Mar-06 1.3 <1 2.1 <1 0.3 39
14-Jun-06 1.0
<1 1.8 <1 <0.1 37
20-Jul-06 <1 <1 <1 <1 0.1 39
8-Nov-06 <1 <1 <1 <1 <0.1 40
28-Feb-07 2.5
<1 <1 <1 0.7 39
27-Jun-07 2.5
<1 <1 <1 0.2 42
15-Aug-07 1.5 <1 <1 <1 <0.1 42
10-Oct-07 3.5 <1 <1 <1 0.5 43
26-Mar-08 <1 <1 <1 <1 0.1 46
25-Jun-08 <1 <1 <1 <1 <0.05 45
10-Sep-08 <1 <1 <1 <1 <0.05 39
15-Oct-08 <1 <1 <1 <1 <0.05 44
4-Mar-09 <1 <1 <1 <1 <0.1 42
24-Jun-09 <1 <1 <1 <1 <0.1 44
15-Sep-09 <1 <1 <1 <1 <1 44
TW4-8 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
17-Dec-09 <1 <1 <1 <1 <0.1 51
24-Feb-10 <1 <1 <1 <1 <0.1 57
9-Jun-10 <1 <1 <1 <1 <0.1 42
TW4-9 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
20-Dec-99 4.2
15-Mar-00 1.9
2-Sep-00 14.2
29-Nov-00 39.4 ND
27-Mar-01 43.6 ND
20-Jun-01 59.0 0.15
20-Sep-01 19.0 0.4
7-Nov-01 49.0 0.1
26-Mar-02 41.0 0.5
22-May-02 38.0 0.65
12-Sep-02 49.0 0.2
24-Nov-02 51.0 0.6
28-Mar-03 34.0 0.6
23-Jun-03 33.0 0.8
12-Sep-03 32.0 1.1
8-Nov-03 46.0 1.1
29-Mar-04 48.0 0.82
22-Jun-04 48.0 0.75
17-Sep-04 39.0 0.81
17-Nov-04 26.0 1.2
16-Mar-05 3.8 1.3
25-May-05 1.2 NA NA NA 1.3 NA
31-Aug-05 <1 <1 2.9 <1 1.3 NA
1-Dec-05 <1 <1 <1 <1 1.3 NA
9-Mar-06 <1 <1 2.6 <1 1.5 38
14-Jun-06 <1 <1 2.7 <1 1.5 39
20-Jul-06 <1 <1 <1 <1 0.9 41
8-Nov-06 <1 <1 <1 <1 0.7 44
28-Feb-07 <1 <1 <1 <1 0.6 44
27-Jun-07 21
<1 <1 <1 1.3 42
15-Aug-07 9.5 <1 <1 <1 1.8 38
10-Oct-07 8.7 <1 <1 <1 2 40
26-Mar-08 1.3 <1 <1 <1 2.1 35
25-Jun-08 1.0 <1 <1 <1 2.3 35
10-Sep-08 <1 <1 <1 <1 2.79 28
15-Oct-08 <1 <1 <1 <1 1.99 58
4-Mar-09 <1 <1 <1 <1 2.5 30
24-Jun-09 <1 <1 <1 <1 2.3 30
15-Sep-09 <1 <1 <1 <1 2.5 30
TW4-9 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
17-Dec-09 <1 <1 <1 <1 1.7 37
23-Feb-10 <1 <1 <1 <1 1.7 47
9-Jun-10 <1 <1 <1 <1 1.5 33
TW4-10 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
21-Jan-02 14
26-Mar-02 16 0.14
21-May-02 17 0.11
12-Sep-02 6 ND
24-Nov-02 14 ND
28-Mar-03 29 0.2
23-Jun-03 110 0.4
12-Sep-03 74 0.4
8-Nov-03 75 0.3
29-Mar-04 22 0.1
22-Jun-04 32 ND
17-Sep-04 63 0.46
17-Nov-04 120 0.4
16-Mar-05 140 1.6
25-May-05 62.4 NA NA NA 0.8 NA
31-Aug-05 110 <2.5 6.2 <2.5 1.1 NA
1-Dec-05 300 <2.5 <2.5 <2.5 3.3 NA
9-Mar-06 190 <5 <50 <50 2.4 50
14-Jun-06 300 <5 <50 <50 3.5 54
20-Jul-06 504 <5 <50 <50 6.8 61
8-Nov-06 452 <1 1.6 1 5.7 58
28-Feb-07 500 <1 <1 1 7.6 62
27-Jun-07 350 <1 <1 1 5.1 54
15-Aug-07 660 <1 <1 1 7.3 59
10-Oct-07 470 <1 <1 1 6.7 59
26-Mar-08 620
<1 <1 1 7.3 55
25-Jun-08 720 <1 <1 1 9.91 58
10-Sep-08 680
<1 <1 1 9.23 51
15-Oct-08 1200
<2 <2 2 10.5 61
11-Mar-09 1100
<1 <1 1 11.6 64
24-Jun-09 1200 <1 <1 1 9.8 62
15-Sep-09 910 <1 <1 1 8.1 51
22-Dec-09 300 <1 <1 <1 3.5 51
3-Mar-10 460 <1 <1 <1 5 49
10-Jun-10 220 <1 <1 <1 1.6 42
TW4-11 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride (ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
21-Jan-02 4700
26-Mar-02 4900 9.6
22-May-02 5200 9.07
12-Sep-02 6200 8.84
24-Nov-02 5800 9.7
28-Mar-03 5100 9.7
23-Jun-03 5700 9.4
12-Sep-03 4600 9.9
8-Nov-03 5200 9.3
29-Mar-04 5300 9.07
22-Jun-04 5700 8.74
17-Sep-04 4800 8.75
17-Nov-04 5800 9.7
16-Mar-05 4400 8.7
25-May-05 3590 NA NA NA 10.3 NA
31-Aug-05 4400 <10 <10 <10 9.4 NA
1-Dec-05 4400 <100 <100 <100 9.4 NA
9-Mar-06 4400 <50 <50 <50 9.2 56
14-Jun-06 4300 <50 <50 <50 10 56
20-Jul-06 4080 <50 <50 <50 10 55
8-Nov-06 3660 1.7 2.7 1.3 10 55
28-Feb-07 3500 1.3 <1 1.6 10.1 54
27-Jun-07 3800 1.6 <1 1.1 10.6 53
15-Aug-07 4500 1.7 <1 1.1 10.2 53
10-Oct-07 4400 1.6 <1 1.2 9.8 53
26-Mar-08 340
<1 <1 <1 7.7 63
25-Jun-08 640 <1 <1 <1 7.28 46
10-Sep-08 900
<1 <1 <1 7.93 42
15-Oct-08 1000
<2 <2 <2 9.46 47
11-Mar-09 1100
<1 <1 <1 7.3 49
24-Jun-09 980 <1 <1 <1 6.8 44
15-Sep-09 1000 <1 <1 <1 7 49
29-Dec-09 860 <1 <1 <1 6.6 46
3-Mar-10 820 <1 <1 <1 6.8 42
10-Jun-10 820 <1 <1 <1 6.9 40
TW4-12 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
12-Sep-02 2 2.54
24-Nov-02 0 2.2
28-Mar-03 0 1.9
23-Jun-03 0 1.8
12-Sep-03 0 1.8
9-Nov-03 0 1.6
29-Mar-04 0 1.58
22-Jun-04 0 1.4
17-Sep-04 0 1.24
17-Nov-04 0 1.5
16-Mar-05 0 1.4
25-May-05 <1 NA NA NA 1.6 NA
31-Aug-05 <1 <1 5.8 <1 1.5 NA
1-Dec-05 <1 <1 1.9 <2 1.4 NA
9-Mar-06 <1 <1 2.6 <1 1.3 19
14-Jun-06 <1 <1 1.4 <1 1.4 16
20-Jul-06 <1 <1 <1 <1 1.4 16
8-Nov-06 <1 <1 <1 <1 1.4 16
28-Feb-07 <1 <1 <1 <1 1.5 16
27-Jun-07 <1 <1 <1 <1 1,5 18
15-Aug-07 <1 <1 <1 <1 1.4 29
10-Oct-07 <1 <1 <1 <1 1.4 16
26-Mar-08 <1 <1 <1 <1 1.6 16
25-Jun-08 <1 <1 <1 <1 2.69 19
10-Sep-08 <1 <1 <1 <1 2.65 18
15-Oct-08 <1 <1 <1 <1 2.47 22
4-Mar-09 <1 <1 <1 <1 2.4 23
24-Jun-09 <1 <1 <1 <1 3.8 22
15-Sep-09 <1 <1 <1 <1 5.1 22
16-Dec-09 <1 <1 <1 <1 3.6 23
23-Feb-10 <1 <1 <1 <1 4 22
8-Jun-10 <1 <1 <1 <1 11 29
TW4-13 Chloroform
(ug/l)
Carbon
Tetrachlo
ride (ug/l)
Chlorome
thane
(ug/l)
Methylen
e
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
12-Sep-02 ND ND
24-Nov-02 ND ND
28-Mar-03 ND 0.2
23-Jun-03 ND 0.2
12-Sep-03 ND ND
9-Nov-03 ND 0.9
29-Mar-04 ND 0.12
22-Jun-04 ND 0.17
17-Sep-04 ND 4.43
17-Nov-04 ND 4.7
16-Mar-05 ND 4.2
25-May-05 <1 NA NA NA 4.3 NA
31-Aug-05 <1 <1 3.1 <1 4.6 NA
1-Dec-05 <1 <1 <1 <1 4.3 NA
9-Mar-06 <1 <1 1.7 <1 4.2 67
14-Jun-06 <1 <1 1.4 <1 4.9 66
20-Jul-06 <1 <1 <1 <1 4.3 65
8-Nov-06 <1 <1 <1 <1 0.8 33
28-Feb-07 <1 <1 <1 <1 4 59
27-Jun-07 <1 <1 <1 <1 4.6 59
15-Aug-07 <1 <1 <1 <1 4.4 58
10-Oct-07 <1 <1 <1 <1 4.1 58
26-Mar-08 <1 <1 <1 <1 3.8 54
25-Jun-08 <1 <1 <1 <1 4.24 58
10-Sep-08 <1 <1 <1 <1 4.26 50
15-Oct-08 <1 <1 <1 <1 4.63 58
4-Mar-09 <1 <1 <1 <1 3.7 58
24-Jun-09 <1 <1 <1 <1 1.2 57
15-Sep-09 <1 <1 <1 <1 4.7 63
16-Dec-09 <1 <1 <1 <1 4.1 60
24-Feb-10 <1 <1 <1 <1 4.3 53
8-Jun-10 <1 <1 <1 <1 5.2 52
TW4-14 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
8-Nov-06 <1 <1 <1 <1 2.4 37
28-Feb-07 <1 <1 <1 <1 2.3 38
27-Jun-07 <1 <1 <1 <1 1.4 38
15-Aug-07 <1 <1 <1 <1 1.1 36
10-Oct-07 <1 <1 <1 <1 0.8 36
26-Mar-08 <1 <1 <1 <1 0.04 57
25-Jun-08 <1 <1 <1 <1 1.56 35
10-Sep-08 <1 <1 <1 <1 1.34 34
15-Oct-08 <1 <1 <1 <1 0.76 40
4-Mar-09 <1 <1 <1 <1 1.6 35
24-Jun-09 <1 <1 <1 <1 1.4 36
15-Sep-09 <1 <1 <1 <1 1.5 38
16-Dec-09 <1 <1 <1 <1 1.4 34
3-Mar-10 <1 <1 <1 <1 2.5 33
8-Jun-10 <1 <1 <1 <1 2.9 49
TW4-15 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
12-Sep-02 3 ND
24-Nov-02 0 ND
28-Mar-03 0 0.1
23-Jun-03 7800 14.5
15-Aug-03 7400 16.8
12-Sep-03 2500 2.7
25-Sep-03 2600 2.5
29-Oct-03 3100 3.1
8-Nov-03 3000 2.8
29-Mar-04 NA NA
22-Jun-04 NA NA
17-Sep-04 1400 0.53
17-Nov-04 300 0.2
16-Mar-05 310 0.3
30-Mar-05 230 0.2
25-May-05 442 NA NA NA 0.2 NA
31-Aug-05 960 <5 5.4 <5 0.2 NA
1-Dec-05 1000 <50 <50 <50 0.3 NA
9-Mar-06 1100 <50 <50 <50 0.2 52
14-Jun-06 830 <50 <50 <50 0.2 52
20-Jul-06 2170 <50 <50 <50 1.4 65
8-Nov-06 282 <1 <1 2.8 0.3 54
28-Feb-07 570 <1 <1 5.5 0.5 56
27-Jun-07 300 <1 <1 13 0.4 49
15-Aug-07 1400 <1 <1 36 1 57
10-Oct-07 2000
<1 <1 14 0.6 57
26-Mar-08 930 <1 <1 40 0.1 49
25-Jun-08 1300
<1 <1 53 0.56 57
10-Sep-08 630
<1 <1 24 0.24 44
15-Oct-08 1700
<1 <1 100 0.65 64
4-Mar-09 950 <1 <1 51 0.4 49
24-Jun-09 410 <1 <1 12 0.2 48
15-Sep-09 850 <1 <1 30 0.1 46
14-Dec-09 1100 <1 <1 40 2.3 60
17-Feb-10 780 <1 <1 19 0.2 57
9-Jun-10 1900 <1 <1 28 1.1 58
TW4-16 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
12-Sep-02 140 ND
24-Nov-02 200 ND
28-Mar-03 260 ND
23-Jun-03 370 ND
12-Sep-03 350 ND
8-Nov-03 400 ND
29-Mar-04 430 ND
22-Jun-04 530 ND
17-Sep-04 400 ND
17-Nov-04 350 ND
16-Mar-05 240 ND
25-May-05 212 NA NA NA <0.1 NA
31-Aug-05 85 <1 3.2 43 <0.1 NA
1-Dec-05 14 <2.5 2.6 5.9 1.4 NA
9-Mar-06 39.0 <1 1.1 21 3 60
14-Jun-06 13.0 <1 2.4 8.9 1.9 55
20-Jul-06 5.2 <1 <1 2.7 2.7 60
8-Nov-06 13.6 <1 <1 9.2 5.6 62
28-Feb-07 8.7 <1 <1 6.5 12.3 79
27-Jun-07 2.6 <1 <1 1.8 9.9 75
15-Aug-07 7.1 <1 <1 5.1 5.4 66
10-Oct-07 1.4 <1 <1 <1 4.4 69
26-Mar-08 11.0 <1 <1 26 ND 52
25-Jun-08 <1 <1 <1 <1 1.46 58
10-Sep-08 10 <1 <1 14 10.5 71
15-Oct-08 3.9
<1 <1 6.6 9.82 89
4-Mar-09 <1 <1 <1 <1 9.6 78
24-Jun-09 <1 <1 <1 <1 8.9 76
15-Sep-09 <1 <1 <1 <1 8.8 79
17-Dec-09 <1 <1 <1 <1 5.2 76
24-Feb-10 <1 <1 <1 <1 4.2 77
9-Jun-10 2.1 <1 <1 <1 4.7 64
TW4-17 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
12-Sep-02 1.6 ND
24-Nov-02 ND ND
28-Mar-03 ND ND
23-Jun-03 ND ND
12-Sep-03 ND ND
8-Nov-03 ND ND
29-Mar-04 ND ND
22-Jun-04 ND ND
17-Sep-04 ND ND
17-Nov-04 ND ND
16-Mar-05 ND ND
30-Mar-05 ND ND
25-May-05 <1 NA NA NA <0.1 NA
31-Aug-05 <1 <1 3.2 <1 <0.1 NA
1-Dec-05 <1 <1 <1 <1 <0.1 NA
9-Mar-06 <1 <1 <1 <1 <0.1 32
14-Jun-06 <1 <1 3.5 <1 <0.1 30
20-Jul-06 <1 <1 1.8 <1 <0.1 32
8-Nov-06 <1 <1 1.5 <1 <0.1 31
28-Feb-07 <1 <1 <1 <1 <0.1 32
27-Jun-07 <1 <1 <1 <1 <0.1 32
15-Aug-07 <1 <1 <1 <1 <0.1 31
10-Oct-07 <1 <1 <1 <1 <0.1 32
26-Mar-08 <1 <1 <1 <1 <0.1 31
25-Jun-08 <1 <1 <1 <1 <0.05 29
10-Sep-08 <1 <1 <1 <1 <0.05 30
15-Oct-08 <1 <1 <1 <1 <0.05 26
4-Mar-09 <1 <1 <1 <1 <0.1 30
24-Jun-09 <1 <1 <1 <1 <0.1 31
15-Sep-09 <1 <1 <1 <1 <0.1 33
16-Dec-09 <1 <1 <1 <1 <0.1 34
17-Feb-10 <1 <1 <1 <1 <0.1 38
14-Jun-10 <1 <1 <1 <1 <0.1 32
TW4-18 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
12-Sep-02 440 1.49
24-Nov-02 240 13.3
28-Mar-03 160 13.1
23-Jun-03 110 19
12-Sep-03 68.0 19.9
9-Nov-03 84.0 20.7
29-Mar-04 90.0 14
22-Jun-04 82.0 12.2
17-Sep-04 38.0 14.5
17-Nov-04 51.0 17.3
16-Mar-05 38.0 14.1
25-May-05 29.8 NA NA NA 12.9 NA
31-Aug-05 39 <1 2.8 <1 13.3 NA
1-Dec-05 14 <1 1.1 <1 7.3 NA
9-Mar-06 12.0 <1 1.1 <1 5.9 5.9
14-Jun-06 12.0 <1 1.6 <1 4.7 35
20-Jul-06 10.8 <1 2.7 <1 6.1 35
8-Nov-06 139 <1 <1 <1 8.7 34
28-Feb-07 9.2 <1 <1 <1 5.1 30
27-Jun-07 8.0 <1 <1 <1 4.9 28
15-Aug-07 8.9 <1 <1 <1 5 32
10-Oct-07 7.4 <1 <1 <1 4.4 27
26-Mar-08 6.4 <1 <1 <1 0.7 23
25-Jun-08 5.7 <1 <1 <1 4.55 23
10-Sep-08 8.0 <1 <1 <1 4.68 26
15-Oct-08 9.4
<1 <1 <1 5,15 30
4-Mar-09 11.0 <1 <1 <1 5.2 29
24-Jun-09 16.0
<1 <1 <1 6.2 30
15-Sep-09 13.0
<1 <1 <1 5.9 26
22-Dec-09 8.2
<1 <1 <1 5.4 30
24-Feb-10 69.0 <1 <1 <1 5.1 41
9-Jun-10 29.0 <1 <1 <1 9 35
TW4-19 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
12-Sep-02 7700 47.6
24-Nov-02 5400 42
28-Mar-03 4200 61.4
15-May-03 4700 NA
23-Jun-03 4500 11.4
15-Jul-03 2400 6.8
15-Aug-03 2600 4
12-Sep-03 2500 5.7
25-Sep-03 4600 9.2
29-Oct-03 4600 7.7
9-Nov-03 2600 4.8
29-Mar-04 NA NA
22-Jun-04 NA NA
16-Aug-04 7100 9.91
17-Sep-04 2600 4.5
17-Nov-04 1800 3.6
16-Mar-05 2200 5.3
25-May-05 1200 5.7
31-Aug-05 1400 <5 <5 <5 4.6 NA
1-Dec-05 2800 <50 <50 <50 <0.1 NA
9-Mar-06 1200 <50 <50 <50 4 86
14-Jun-06 1100 <50 <50 <50 5.2 116
20-Jul-06 1120 <50 <50 <50 4.3 123
8-Nov-06 1050 1.6 2.6 <1 4.6 134
28-Feb-07 1200 1.3 <1 <1 4 133
27-Jun-07 1800
2.3
15-Aug-07 1100 1.9 <1 <1 4.1 129
10-Oct-07 1100
1.9 <1 <1 4 132
26-Mar-08 1800
2.9 <1 <1 2.2 131
25-Jun-08 1000
1 <1 <1 2.81 128
10-Sep-08 3600 8.6 <1 <1 36.2 113
15-Oct-08 4200 12 <1 <1 47.8 124
4-Mar-09 1100 1.2 <1 <1 3.2 127
24-Jun-09 990 1.2 <1 <1 2.4 132
15-Sep-09 6600 15 <1 <1 0.1 43
14-Dec-09 4700 16 <1 <1 26.7 124
17-Feb-10 940 1.3 <1 <1 2 144
9-Jun-10 1800 4.2 <1 <1 4.4 132
TW4-20 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
25-May-05 39000 NA NA NA 10.1 NA
31-Aug-05 3800 <10 <10 <10 2.9 NA
1-Dec-05 19000 <250 <250 <250 1.8 NA
9-Mar-06 9200 <500 <500 <500 3.8 120
14-Jun-06 61000 <500 <500 <500 9.4 235
20-Jul-06 5300 <1000 <1000 <1000 2.9 134
8-Nov-06 11000 7.1 1.9 2.2 3.5 124
28-Feb-07 4400 3.1 <1 1.1 4.2 124
27-Jun-07 1800 2.2 <1 <1 2.3 112
15-Aug-07 5200 3.5 <1 1.8 2.1 117
10-Oct-07 9000 6.8 <1 1.9 5.6 170
26-Mar-08 13000 9 <1 1.5 0.9 132
25-Jun-08 30000 13 <1 1.2 7.96 191
10-Sep-08 21000 15 <1 3.7 4.44 156
15-Oct-08 NA NA NA NA 5.51 166
4-Mar-09 8200 5.7 <1 5.2 5.1 164
24-Jun-09 6800 4.9 <2 4.2 2.9 164
15-Sep-09 13000 8.4 <2 4.4 3.3 153
14-Dec-09 15000 14 <1 3 5.3 187
17-Feb-10 3500 2.7 <1 3.2 2 179
14-Jun-10 18000 11 <1 3.7 5.6 200
TW4-21 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
25-May-05 192 NA NA NA 14.6 NA
31-Aug-05 78 <5 <5 <5 10.1 NA
1-Dec-05 86 <1 1.0 <1 9.6 NA
9-Mar-06 120 <2.5 <2.5 <2.5 8.5 347
14-Jun-06 130 <2.5 <2.5 <2.5 10.2 318
20-Jul-06 106 <2.5 <2.5 <2.5 8.9 357
8-Nov-06 139 2 <1 <1 8.7 296
28-Feb-07 160 1.8 <1 <1 8.7 306
27-Jun-07 300 5.8 <1 <1 8.6 327
15-Aug-07 140 <1 <1 <1 8.6 300
10-Oct-07 120 <1 <1 <1 8.3 288
26-Mar-08 380 7 <1 <1 14.3 331
25-Jun-08 160 1.7 <1 <1 8.81 271
10-Sep-08 120 1.6 <1 <1 7.57 244
15-Oct-08 170 2 <1 <2 8.00 284
11-Mar-09 180 <1 <1 <1 8.3 279
24-Jun-09 200 <1 <1 <1 8.1 291
15-Sep-09 140 <1 <1 <1 9.2 281
22-Dec-09 160 <1 <1 <1 8.4 256
25-Feb-10 170 <1 <1 <1 8.4 228
10-Jun-10 210 1.2 <1 <1 12 266
TW4-22 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
25-May-05 340 NA NA NA 18.2 NA
31-Aug-05 290 <5 <5 <5 15.7 NA
1-Dec-05 320 <5 <5 <5 15.1 NA
9-Mar-06 390 <10 <10 <10 15.3 236
14-Jun-06 280 <10 <10 <10 14.3 221
20-Jul-06 864 <10 <10 <10 14.5 221
8-Nov-06 350 <1 1.6 <1 15.9 236
28-Feb-07 440 <1 <1 <1 20.9 347
27-Jun-07 740 <1 <1 <1 19.3 273
15-Aug-07 530 <1 <1 <1 19.3 259
10-Oct-07 440 <1 <1 <1 18.8 238
26-Mar-08 1400 <1 <1 <1 39.1 519
25-Jun-08 1200 <1 <1 <1 41.9 271
10-Sep-08 6300 1.3 <1 <1 38.7 524
15-Oct-08 630 <2 <2 <2 36.3 539
11-Mar-09 390 <1 <1 <1 20.7 177
24-Jun-09 730 <1 <1 <1 20.6 177
15-Sep-09 2300 <1 <1 <1 40.3 391
29-Dec-09 380 <1 <1 <1 17.8 175
3-Mar-10 2200 <1 <1 <1 36.6 427
15-Jun-10 540 <1 <1 <1 19 134
TW4-23 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
27-Jun-07 <1 <1 <1 <1 <0.1 47
15-Aug-07 <1 <1 <1 <1 <0.1 46
10-Oct-07 <1 <1 <1 <1 <0.1 43
26-Mar-08 <1 <1 <1 <1 <0.1 41
25-Jun-08 <1 <1 <1 <1 <0.05 41
10-Sep-08 <1 <1 <1 <1 <0.05 35
15-Oct-08 <2 <2 <2 <2 <0.05 51
4-Mar-09 <1 <1 <1 <1 <0.1 41
24-Jun-09 <1 <1 <1 <1 <0.1 43
15-Sep-09 <1 <1 <1 <1 <0.1 43
16-Dec-09 <1 <1 <1 <1 <0.1 37
24-Feb-10 <1 <1 <1 <1 <0.1 45
8-Jun-10 <1 <1 <1 <1 <0.1 40
TW4-24 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
27-Jun-07 2.6 <1 <1 <1 26.1 770
15-Aug-07 2.2 <1 <1 <1 29 791
10-Oct-07 1.5 <1 <1 <1 24.7 692
26-Mar-08 1.5 <1 <1 <1 24.4 740
25-Jun-08 1.4 <1 <1 <1 45.3 834
10-Sep-08 2.9 <1 <1 <1 38.4 1180
15-Oct-08 <2 <2 <2 <2 44.6 1130
4-Mar-09 1.4 <1 <1 <1 30.5 1010
24-Jun-09 1.5 <1 <1 <1 30.4 759
15-Sep-09 1.4 <1 <1 <1 30.7 618
17-Dec-09 1.2 <1 <1 <1 28.3 1080
25-Feb-10 1.3 <1 <1 <1 33.1 896
9-Jun-10 1.7 <1 <1 <1 30 639
TW4-25 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
27-Jun-07 <1 <1 <1 <1 17.1 395
15-Aug-07 <1 <1 <1 <1 16.7 382
10-Oct-07 <1 <1 <1 <1 17 356
26-Mar-08 <1 <1 <1 <1 18.7 374
25-Jun-08 <1 <1 <1 <1 22.1 344
10-Sep-08 <1 <1 <1 <1 18.8 333
15-Oct-08 <2 <2 <2 <2 21.3 366
4-Mar-09 <1 <1 <1 <1 15.3 332
24-Jun-09 <1 <1 <1 <1 15.3 328
15-Sep-09 <1 <1 <1 <1 3.3 328
16-Dec-09 <1 <1 <1 <1 14.2 371
23-Feb-10 <1 <1 <1 <1 14.4 296
8-Jun-10 <1 <1 <1 <1 16 306
TW4-26 Chloroform
(ug/l)
Carbon
Tetrachloride
(ug/l)
Chloromethane
(ug/l)
Methylene
Chloride
(ug/l)
Nitrate
(mg/l)
Chloride
(mg/l)
15-Jun-10 13 <1 <1 <1 7.9 33

Tab L
Chloroform Concentration Trend Graphs

2000
3000
4000
5000
6000
7000
(u
g
/
L
)
MW4-Chloroform Values
0
1000
2000
Se
p
-
9
9
De
c
-
9
9
Ma
r
-
0
0
Ju
n
-
0
0
Se
p
-
0
0
De
c
-
0
0
Ma
r
-
0
1
Ju
n
-
0
1
Se
p
-
0
1
De
c
-
0
1
Ma
r
-
0
2
Ju
n
-
0
2
Se
p
-
0
2
De
c
-
0
2
Ma
r
-
0
3
Ju
n
-
0
3
Se
p
-
0
3
De
c
-
0
3
Ma
r
-
0
4
Ju
n
-
0
4
Se
p
-
0
4
De
c
-
0
4
Ma
r
-
0
5
Ju
n
-
0
5
Se
p
-
0
5
De
c
-
0
5
Ma
r
-
0
6
Ju
n
-
0
6
Se
p
-
0
6
De
c
-
0
6
Ma
r
-
0
7
Ju
n
-
0
7
Se
p
-
0
7
De
c
-
0
7
Ma
r
-
0
8
Ju
n
-
0
8
Se
p
-
0
8
De
c
-
0
8
Ma
r
-
0
9
Ju
n
-
0
9
Se
p
-
0
9
De
c
-
0
9
2000
3000
4000
5000
6000
7000
(u
g
/
L
)
TW4-1 Chloroform Values
0
1000
2000
24
-
J
u
l
-
9
8
6-
D
e
c
-
9
9
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
1-
A
p
r
-
1
2
3000
4000
5000
6000
7000
(u
g
/
L
)
TW4-2 Chloroform Values
0
1000
2000
24
-
J
u
l
-
9
8
6-
D
e
c
-
9
9
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
1-
A
p
r
-
1
2
Data point represented corresponds
to laboratory results. The value is
likely underestimated due to
laboratory error not considering the
dilution factor of 10.
0.4
0.5
0.6
0.7
0.8
0.9
1.0
(u
g
/
L
)
TW-4-3 Chloroform Values
TW4-3 Has been less than the detection limit since March 28, 2003
0.0
0.1
0.2
0.3
0
1500
2000
2500
3000
3500
4000
4500
(u
g
/
L
)
TW4-4 Chloroform Values
0
500
1000
6-
D
e
c
-
9
9
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
1-
A
p
r
-
1
2
100
150
200
250
300
350
(u
g
/
L
)
TW4-5 Chloroform Values
0
50
100
24
-
J
u
l
-
9
8
6-
D
e
c
-
9
9
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
1-
A
p
r
-
1
2
400
600
800
1000
1200
(u
g
/
L
)
TW4-6 Chloroform Values
0
200
12
/
0
6
/
9
9
04
/
1
9
/
0
1
09
/
0
1
/
0
2
01
/
1
4
/
0
4
05
/
2
8
/
0
5
10
/
1
0
/
0
6
02
/
2
2
/
0
8
07
/
0
6
/
0
9
11
/
1
8
/
1
0
04
/
0
1
/
1
2
2000
3000
4000
5000
6000
(u
g
/
L
)
TW4-7 Chloroform Values
0
1000
2000
24
-
J
u
l
-
9
8
6-
D
e
c
-
9
9
19-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14-
J
a
n
-
0
4
8-M
a
y
-
0
5
10-
O
c
t
-
0
6
22-
F
e
b
-
0
8
6-
J
u
l
-
0
9
8-
N
o
v
-
1
0
1-
A
p
r
-
1
2
200
250
300
350
400
450
500
(u
g
/
L
)
TW4-8 Chloroform Values
0
50
100
150
24
-
J
u
l
-
9
8
6-
D
e
c
-
9
9
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
1-
A
p
r
-
1
2
30
40
50
60
70
(u
g
/
L
)
TW4-9 Chloroform Values
0
10
20
24-
J
u
l
-
9
8
6-
D
e
c
-
9
9
19-
A
p
r
-
0
1
1-
S
e
p
-
0
2
4-
J
a
n
-
0
4
8-M
a
y
-
0
5
10-
O
c
t
-
0
6
2-
F
e
b
-
0
8
6-
J
u
l
-
0
9
8-
N
o
v
-
1
0
1-
A
p
r
-
1
2
600
800
1000
1200
1400
(u
g
/
L
)
TW4-10 Chloroform Values
0
200
400
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
2000
3000
4000
5000
6000
7000
(u
g
/
L
)
TW4-11 Chloroform Values
0
1000
2000
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
1.0
1.5
2.0
(u
g
/
L
)
TW4-12 Chloroform Values
0.0
0.5
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
0.4
0.5
0.6
0.7
0.8
0.9
1
(u
g
/
L
)
TW4-13 Chloroform Values
Chloroform has not been detected in TW4-13
0
0.1
0.2
0.3
Se
p
-
0
2
De
c
-
0
2
Ma
r
-
0
3
Ju
n
-
0
3
Se
p
-
0
3
De
c
-
0
3
Ma
r
-
0
4
Ju
n
-
0
4
Se
p
-
0
4
De
c
-
0
4
Ma
r
-
0
5
Ju
n
-
0
5
Se
p
-
0
5
De
c
-
0
5
Ma
r
-
0
6
Ju
n
-
0
6
Se
p
-
0
6
De
c
-
0
6
Ma
r
-
0
7
Ju
n
-
0
7
Se
p
-
0
7
De
c
-
0
7
Ma
r
-
0
8
Ju
n
-
0
8
Se
p
-
0
8
De
c
-
0
8
Ma
r
-
0
9
Ju
n
-
0
9
Se
p
-
0
9
De
c
-
0
9
0
1
1
1
1
1
1
(u
g
/
L
)
TW4-14 Chloroform Values
Chloroform has not been detected in TW4-14
0
0
0
0
4-
M
a
r
-
0
6
10-
O
c
t
-
0
6
28-
A
p
r
-
0
7
4-N
o
v
-
0
7
1-
J
u
n
-
0
8
8-
D
e
c
-
0
8
6-
J
u
l
-
0
9
22-
J
a
n
-
1
0
0-
A
u
g
-
1
0
6-
F
e
b
-
1
1
1000
1500
2000
2500
(u
g
/
L
)
TW4-15 Chloroform Values
0
500
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
200
300
400
500
600
(u
g
/
L
)
TW4-16 Chloroform Values
0
100
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
0.6
0.8
1
1.2
1.4
1.6
1.8
(u
g
/
L
)
TW4-17 Chloroform Values
0
0.2
0.4
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
150
200
250
300
350
400
450
500
(u
g
/
L
)
TW4-18 Chloroform Values
0
50
100
150
19
-
A
p
r
-
0
1
1-
S
e
p
-
0
2
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
3000
4000
5000
6000
7000
8000
(u
g
/
L
)
TW4-19 Chloroform Values
0
1000
2000
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
30000
40000
50000
60000
70000
(u
g
/
L
)
TW4-20 Chloroform Values
0
10000
20000
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
150
200
250
300
350
400
(u
g
/
L
)
TW4-21 Chloroform Values
0
50
100
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
2000
3000
4000
5000
6000
7000
(u
g
/
L
)
TW4-22 Chloroform Values
0
1000
2000
14
-
J
a
n
-
0
4
28
-
M
a
y
-
0
5
10
-
O
c
t
-
0
6
22
-
F
e
b
-
0
8
6-
J
u
l
-
0
9
18
-
N
o
v
-
1
0
0
1
1
1
1
1
1
(u
g
/
L
)
TW4-23 Chloroform Values
Chloroform has not been detected in TW4-23
0
0
0
0
Ju
n
-
0
7
Se
p
-
0
7
De
c
-
0
7
Ma
r
-
0
8
Ju
n
-
0
8
Se
p
-
0
8
De
c
-
0
8
Ma
r
-
0
9
Ju
n
-
0
9
Se
p
-
0
9
De
c
-
0
9
Ma
r
-
1
0
Ju
n
-
1
0
1.5
2.0
2.5
3.0
3.5
(u
g
/
L
)
TW4‐24 Chloroform Values
0.0
0.5
1.0
28
‐Ap
r
‐07
14
‐No
v
‐07
1‐Ju
n
‐08
18
‐De
c
‐08
6‐Ju
l
‐09
22
‐Ja
n
‐10
10
‐Au
g
‐10
0
1
1
1
1
1
1
(u
g
/
L
)
TW4-25 Chloroform Values
Chloroform has not been detected in TW4-25
0
0
0
0
Ju
n
-
0
7
Se
p
-
0
7
De
c
-
0
7
Ma
r
-
0
8
Ju
n
-
0
8
Se
p
-
0
8
De
c
-
0
8
Ma
r
-
0
9
Ju
n
-
0
9
Se
p
-
0
9
De
c
-
0
9
Ma
r
-
1
0
Ju
n
-
1
0

Tab M
Chloroform Well Daily Inspection Form

Chloroform Investigation Wells ‐ Daily Inspection Report
Date:
Inspection Ti It Weather and Wellhead Protective 
B (kOK
Electric System 
(kOK t
Heat Lamp 
Operational Status 
Flow Meter 
Operational (mark Pump Operational 
(kOK t Ab lOti Pt tilPbl
Chloroform Investigation Wells  Daily Inspection Report
Inspection 
No.Time Inspector
Weather and 
Temp.Boxes (mark OK or 
note otherwise)
(mark OK or note 
otherwise)
Operational Status 
(mark OK or note 
otherwise)
Operational (mark 
OK or note 
otherwise)
(mark OK or note 
otherwise)
Abnormal Operation or Potential Problems
1
2
3
4
5
6
7
8

Tab N
CSV Transmittal Letter

Kathy Weinel
From:
Sent:
To:
Cc:
Subject:
Attachments:
Dear Mr.Lundberg,
Kathy Weinel
Wednesday,August 11,20102:06 PM
[e-mail]
Harold Roberts;Jo Ann Tischler;David Frydenlund;David Frydenlund
Transmittal of CSV Files White Mesa Mill 2010 Q2 Chloroform Monitoring
C10060476_csv.zip;C1 0060760_R.csv
Attached to this e-mail are electronic copies of laboratory results for chloroform monitoring conducted at the White
Mease Mill during the second quarter of 2010,in Comma Separated Value (CSV)format.
Please contact me at 303-389-4134 if you have any questions on this transmittal.
Yours Truly
Kathy Weinel
Denison Mines (USA)Corp.
Quality Assurance Manager
1