DRC-2008-002344 - 0901a0688083f582

DENEOJ)//
MINES
.November 28,2008
VIA FEDERAL EXPRESS
Mr. Dane Finerfrock
Executive Secretary
Utah Radiation Control Board
State of Utah Department of Environmental't68 North 1950 West
Salt Lake City, UT 84114-4850
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Quality
Dear Mr.
Re: Transmiftat of the 3'd Quarter 2008 Chloroform Monitoring Report for the White Mesa
Uranium MilI
Enclosed are two copies of the White Mesa Uranium Mill Chloroform Monitoring Report for the 3d Quarter of
2008, as required under the State of Utah Notice of Violation and Groundwater Corrective Action Order UDEe
Docket No UGQ-20-1
Yours very truly,ka/*
VDr*r"o*Mrrues (USA) Conp.
Steven D. Landau
Manager, Environmental Affairs
Cc: Ron Hochstein
David Frydenlund
David Turk
White Mesa Uranium Mill
Chloroform Monitoring Report
State of Utah
Notice of Violation and Groundwater Corrective Action Order UDEQ
Docket No. UGQ-20-01
3'd Quarter (July through September)
2008
Prepared by:
Denison Mines (USA) Corp. (DUSA)
1050 lTth Street, Suite 950
Denver CO 80265
Novemberr 2008
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1. INTRODUCTION
This is the Quarterly Chloroform Monitoring Report, as required under State of Utah
Notice of Violation and Groundwater Corrective Action Order State of Utah Department
of Environmental Quality ("UDEQ") Docket No. UGQ-20-01 for the 3'd Quarter of 2008
(the "Quarter") for Denison Mines (USA) Corp.'s ("DUSA's") White Mesa Uranium
Mill (the "Mill"). This Report also includes the Operations Report for the Long Term
Pump Test at MW-4, TW4-19, TW4-15 (MW-26) and TW4-20 for the Quarter.
SAMPLING AI\D MONITORING PLAN
Description of Monitor Wells Sampled During the Quarter
During the Quarter, the following chloroform contaminant investigation groundwater
samples and measurements were taken:
2.1.1. Groundwater Monitoring
Groundwater Monitoring was performed in all of the chloroform monitoring wells, being
the following wells:
o MW-4
o TW4-Ao TW4-1o TW4-2
o TW4-3
o TW4-4
o TW4-5o TW4-6c TW4-7
o TW4-8o TW4-9
o TW4-10
o TW4-l Io TW4-12o TW4-13o TW4-14o TW4-15 (MW-26)o TW4-16o TW4-17 (MW-32)o TW4-18o TW4-19o TW4-20o TW4-21o TW4-22
The locations of these wells are indicated on the map attached under Tab A.
Wells sampled during this reporting period were analyzed for the following constituents:
o Chloroformo Chloromethaneo Carbon tetrachloride. Methylene chlorideo Chloride
o Nitrogen, Nitrate + Nitrite as N
b)
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2.1.2. Groundwater Head Monitoring
Depth to groundwater was taken in the following wells and/or piezometers during the
Quarter:
a) All of the chloroform contaminant investigation wells listed in paragraph2.l.l
above on August 26,2008;b) The point of compliance monitoring wells under the Mill's Groundwater
Discharge Permit ("GWDP") on August 4-26,2008.c) Piezometers - P-I, P-2,P-3, P-4, and MW's 20 and2l on July 8,2008. P-5 on
July 8, 2008.
In addition, weekly depth to groundwater measurements were taken in MW-4, TW4-15
(MW-26), TW4-19 and TW4-20, as part of the long term pumping test for MW-4.
.,,Sampling Methodology, Equipment and Decontamination Procedures
The sampling methodology, equipment and decontamination procedures that were
performed for the chloroform contaminant investigation during the Quarter can be
summarized as follows:
2.2.I. Well Purging and Depth to Groundwater
a) A list is gathered of the wells in order of increasing chloroform contamination.
The order for purging is thus established. Mill personnel start purging with all of
the non-detect wells and then move to the more contaminated wells in order of
chloroform contamination, starting with the wells having the lowest chloroform
contamination; and
Before leaving the Mill office, the pump and hose are rinsed with de-ionized
(o'D[") water. Mill personnel then proceed to the first well which is the well
indicating the lowest concentration of chloroform based on the previous quarters
sampling results. Well depth measuromonts are taken and the two casing
volumes are calculated (measurements are made using the same instrument used
for the monitoring wells under the Mill's GWDP). The Grundfos pump (a 6 gpm
pump) is then lowered to the bottom of the well and purging is begun. At the
first well, the purge rate is established for the purging event by using a calibrated
5 gallon bucket. After the evacuation of the first well has been completed, the
pump is removed from the well and the process is repeated at each well location
moving from least contaminated to most contaminated. All wells are capped and
secured prior to leaving the sampling location.
Sampling
a) Following the purging of all chloroform investigation wells, the sampling takes
place (usually the next morning). Prior to leaving the Mill office to sample, a
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cooler along with blue 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 the outfitted with rubber gloves. Chloroform investigation samples are
collected by means of dedicated bailers and the wells are purged by means of a
dedicated portable pump. Each quarterly pumping and sample collection event
begins at the location least affected by chloroform (based on the previous
quarters sampling event) and proceeds by affected concentration to the most
affected location. The dedicated portable pump is appropriately decontaminated
prior to each purging sampling event and the QA rinsate sample is collected after
said decontamination but prior to the cofilmencement of the sampling event.
b) Mill personnel use a disposable bailer to sample each well. 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;
(i) First, a set of VOC vials is filled. This set consists of three 40 ml vials
provided by the Analytical Laboratory. The set is not filtered and is
preserved with HCL;(ii) Second, a 500 ml sample is collected for NitratesArlitrites. This sample is
also not filtered and is preserved with H2SO4 (the bottle for this set is
also provided by the Analytical Laboratory);(iii) Third, a 500 ml sample is collected for Chloride. This sample is not
filtered and is not preserved; and
c) 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 blue ice. The well is
then recapped and Mill personnel proceed to the next well.
DUSA completed (and transmitted to UDEQ on May 25, 2006) a revised Quality
Assurance Plan ("QAP") for sampling under the Mill's GWDP. The GWDP QAP was
reviewed by UDEQ and has been approved for implementation. The QAP provides a
detailed presentation of procedures utilized for groundwater sampling activities under the
GWDP. While the water sampling conducted for chloroform investigation purposes has
been conformant with 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 8,2006letter, 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 QA procedures in the form of a separate document. The chloroform QA
document describes the differing needs of the chloroform investigation program, and is
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2.3
and attachment to the GWDP QAP where QA needs other than those described in the
chloroform QA document are addressed.
Field Data Worksheets
Attached under Tab B are copies of all Field Data Worksheets that were completed
during the Quarter for the chloroform contaminant investigation monitoring wells listed
in paragraph2.l.l above and sampled June 27,2007.
2.4 Depth to Groundwater Sheets
Attached under Tab C (to be transmitted separately on December l, 2008) are copies of
the Depth to Water Sheets for the weekly monitoring of MW-4, TW4-15 (MW-26),
TW4-19 and TW4-20 as well as the monthly depth to groundwater monitoring data for
chloroform contaminant investigation wells measured during the quarter. Depth-to-
groundwater measurements which were utilized for groundwater contours are included on
the Field Data Worksheets at Tab B of this report.
3.1.1.
DATA INTERPRETATION
Interpretation of Groundwater Levels, Gradients and Flow Directions.
Current Site Groundwater Contour Map
The contour map uses the August 26, 2008 data for the wells listed in paragraph 2.I.2 (a)
above, August 4-26, 2008 data for the wells listed in paragraph 2.1.2 (b), and July, 2008
for the piezometers and wells listed in paragraph 2.1.2 (c) above.
Also included under Tab D is a groundwater contour map of the portion of the Mill site
where the four chloroform pumping wells are located, with hand-drawn stream tubes, in
order to demonstrate hydraulic capture from the pumping
3.1.2. Comparison of Current Groundwater Contour Maps to Groundwater Contour
Maps for Previous Ouarter
The groundwater contour maps for the Mill site for the second quarter of 2008, as
submitted with the Chloroform Monitoring Report for the second quarter of 2008, are
attached under Tab E.
A comparison of the water table contour maps for the Quarter to the water table contour
maps for the previous quarter indicates similar patterns of drawdown related to pumping
of MW-4, MW-26 (TW4-15), 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.
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Reported decreases in water levels of approximately 5 feet in MW-19 and
approximately 20 feet in pumping well TW4-20 occurred, and reported increases
approximately 5 and 6 feet occurred at pumping wells MW-4 and TW4-19, respectively.
Water level fluctuations at pumping wells MW-4, MW-26 (TW4-15), 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 20 feet occurred at TW4-20, and the largest increase (decrease in
drawdown), of approximately 6 feet, occurred at TW4-19.
3.1.3. Hydro8raphs
Attached under Tab F are hydrographs showing groundwater elevation in each
chloroform contaminant investigation monitor well over time.
3.1.4. 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.
3.1.5. Evaluation of the Effectiveness of Hydraulic Capture
Perched water containing chloroform has been removed from the subsurface by pumping
MW-4, TW4-19, MW-26 (TW4-15), and TW4-20. The purpose of the pumping is to
reduce total chloroform mass in the perched zone as rapidly as is practical. These wells
were chosen for pumping because l) 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 the 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.
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 the pumping wells is occurring. As
noted in Section 3.1.2, a decrease in measured water level (increase in drawdown)
occurred at pumping well TW4-20 and increases in water levels (decreases in
drawdowns) occurred at MW-4 and TW4-19 between the second and third quarters of
2008. Overall, the combined capture of TW4-19,TW4-20, MW-4 and MW-26 (TW4-15)
has not changed significantly since the last quarter. The large increase in drawdown at
TW4-20 has increased the apparent capture zone of this well relative to that of other
nearby pumping wells.
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Although high chloroform concentrations exist at some locations downgradient of the
pumping wells (for example, near TW4-4), the low permeability of the perched zone at
these locations would prevent significant rates of chloroform mass removal should these
wells be pumped. By pumping at the more productive, upgradient locations, however,
the rate of downgradient chloroform migration will be diminished because of the
reduction in hydraulic gradients, and natural attenuation will be more effective.
3.2. Interpretation of Analytical Results
3.2.1. Copy of Laboratory Results
Included under Tab H of this Report are copies of all laboratory analytical results for the
groundwater quality samples collected under the chloroform contaminant investigation
on September 10, 2008 along with the laboratory analytical results for a trip blank.
3.2.2. 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). A copy of the
transmittal e-mail is included under Tab I.
3.2.3 Current Chloroform Isoconcentration Map
Included under Tab J of this Report is a current chloroform isoconcentration map for the
Mill site.
3.2.4 Data and Graphs Showing Chloroform Concentration Trends
Attached under Tab K is a table summarizing chloroform and nitrate values for each well
over time.
Attached under Tab L are graphs showing chloroform concentration trends in each
monitor well over time. As TW4-14 was previously dry and wells TW4-23,4-24 and 4-
25 have limited data, a trend graph for that well has not been included but will be
included with the 4th Quarter report as sufficient data will have been collected at that
time.
3.2.5 Analysis of Analytical Results
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:
a) Chloroform concentrations have increased by more than 20o/o in the following
wells, compared to last quarter: TW4-6, TW4-11, TW4-18, TW4-19,TW4-22,
andTW4-24.
b)
c)
d)
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Chloroform concentrations have decreased by more than 20% in the following
wells, compared to last quarter: MW-4, TW4-15, TW4-20, and TW4-21;
Chloroform concentrations have remained within 20o/o in the following wells
compared to last quarter: TW4-1, TW4-2, TW4-4, TW4-5, TW4-7, and TW4-
10;
Chloroform concentrations at TW4-16 increased from non-detect to l0 1tglL, and
at TW4-9 decreased from I .0 ttdL to non-detect; and
TW4-3, TW4-8, TW4-12, TW4-13, TW4-t4, MW-32 (TW4-17), TW4-23, and
TW 4-25 remained non-detect.
In addition, between the second and third quarters of 2008, the chloroform concentration
in well TW4-20 decreased from 30,000 $glL to 21,000 1tglL, and the concentration in
TW4-21decreased from 160 pglL to 120 1tflL. The concentration inTW4-22 increased
substantially from 1,200 p{L to 6,300 pgll. Wells TW4-23 andTW4-25 remained non-
detect for chloroform, and the concentration in well TW4-24increased from 1.4 to2.9
pglL. TW a-24, located west of TW 4-22, and TW4 -25, located north of TW4-2 I , bound
the chloroform plume to the west and north.
Chloroform concentrations in TW4-6, which was the most downgradient temporary
perched well prior to installation of temporary well TW4-23, increased from 24 to 39
pgl[-. This well has likely remained outside the chloroform plume 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. Both TW4-6 and TW4-23 bound the chloroform plume to the
south.
3.3. Quality Assurance Evaluation And Data Validation
Quality assurance evaluation and data validation procedures in effect at the time of
sampling were followed. These involve three basic types of evaluations: field QC
checks; Analytical Laboratory checks; and checks performed by DUSA personnel, as
described below.
3.3.1 Field OC Checks
Field Quality Control samples for the chloroform investigation program consist of a field
duplicate sample, a field blank and a trip blank. These check samples are to be generated
for each quarterly sampling episode. During the 3'd Quarter of 2008 duplicates (TW4-65,
duplicate of TW4-3 and TW4-70, duplicate of TW4-17), a DI blank (TW4-60) and a trip
blank were collected and analyzed. The results of these analyses are included with the
routine analyses under Tab H.
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3.3.2 Analytical Laboratory OA/OC Procedures
The Analytical Laboratory has provided summary reports of the analytical quality
assurance/quality control (QA/QC) measurements necessary to maintain conformance
with NELAC certification and reporting protocol. The Analytical Laboratory QA/QCSummary Report, including copies of the Mill's Chain of Custody and Analytical
Request Record forms, for the September sampling event, are included under Tab H.
3.3.3 Mill OA Manager Review
The Mill QA Manager, which, for these sampling events was DUSA's Manager of
Environmental Affairs, performed four types of reviews: a determination of whether Mill
sampling personnel followed Mill sampling procedures; a review of the results from the
Field QC Checks; a review of analytical-reports for holding times and qualifying
indicators for the data; and a review of the Analytical Laboratory QA/QC analysis. The
results of the QA Manager's review are discussed below.
a) Adherence to Mill Sampling SOPs
On a review of adherence by Mill personnel to the sampling procedures summarized in
Section 2.2 above, the QA Manager concluded that such procedures had been followed.
b) Results From Field QC Checl<s
The duplicate samples of TW4-3 and TW4-17 indicated a relative percent difference
within the prescribed standard of 20Yo. However, chloroform presence was indicated in
the field blank and rinsate samples. The matter of continued chloroform presence in
these field blank and rinsate samples in under investigation on the part of the QA
Manager and the results of that investigation and corrective actions taken will be included
with the 4ft Quarter,2008 Report.
c) Review of Analytical Laboratory QA/QC Analysis and Analytical Reports
The QA Manager reviewed the Analytical Laboratory's QA/QC Summary Reports and
made the following conclusions;
(i) check samples were analyzed for each method used in analyzing the
Chloroform investigation samples. These methods were:
Parameter Method
Nitrogen, (Nitrate + Nitrite as N) 8353.2Chloroform, 8624
Carbon tetrachloride 8624Chloromethane 8624
Methylene chloride
Chloride
E,624
A45OO-CL B
4.1.
(ii) The check samples included at least the following: a method blank, a
laboratory control spike (sample), a matrix spike and a matrix spike
duplicate;
(iii) All qualifiers, if any, and the corresponding explanations in the summary
reports are reviewed by the QA Manager. The only qualifiers reported
were for matrix interference in some of the analyzed monitoring location
samples, however, the reporting limit was maintained below the
parameter standard in these instances.
(iv) The laboratory holding time for all analyses was within chloroform
specification and sample temperature was acceptable upon receipt.
LONG TERM PUMP TEST AT MW-4, TW4-15 (MW-26), TW4-19 AND
TW4-20, OPERATIONS REPORT
Introduction
As a part of the investigation of chloroform contamination at the Mill site, IUSA has been
conducting a Long Term Pump Test on MW-4, TW4-19, TW4-15 (MW-26) and TW4-
20. 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.
4.2. Pump Test Data Collection
The long term pump test for MW-4 was started on April L4,2003, followed by the start
of pumping from TW4-19 on April 30, 2003, from TW4-15 (MW-26) on August 8, 2003
and from TW4-20 on August 4,2005. 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. IUSA 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:
a) Measurement of water levels at MW-4, TW4-19, TW4-15 (MW-26), and TW4-
20 on a weekly basis, and at selected temporary wells and permanent monitoring
wells on a monthly basis (See Section 3.1 and Tabs B and C for a discussion of
the water levels);
Measurement of pumping history:
(D pumping rates(ii) total pumped volume(iii) operationalandnon-operationalperiods;
Periodic sampling of pumped water for chloroform and nitrate & nitrite analysis
and other constituents, as discussed in detail in Section 3.2 above.
4.3. 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, water levels in that well 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 andTW4-20 and the October and December monthly Depth to Water
monitoring sheets for all of the chloroform contaminant investigation wells are typically
included under Tab C but will be transmitted separately on December l, 2008. Monthly
depth to water measurements for September are recorded in the Field Data Worksheets
included under Tab B.
4.4. Pumping Rates and Volumes
4.4.1. MW-4
Approximately 81,400 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 purging 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 I evaporation pond through a
pipeline installed specifically for that purpose. At the end of the 3rd Quarter, 2008, and
since commencement of pumping on April 14,2003, an estimated total of approximately
1,726,140 gallons of water have been purged from MW-4.
b)
c)
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4.4.2. TW4-19
Approximately 529,020 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 6.0 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. At the end of the l't Quarter,
2007, and since commencement of pumping on April 30,2003, an estimated total of
approximately 8,633,530 gallons of water have been purged from TW4-19.
4.4.3. TW4-1s (MW-26)
Approximately 61,280 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 1.5 gpm throughout the Quarter. The well is not purging 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. At the end of the l't
Quarter, 2006, and since commencement of pumping on August 8, 2003, an estimated
total of approximately 1,218,240 gallons of water have been purged from TW4-15.
4.4.4. TW4-20
Approximately 53,260 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
6.0 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. Since commencement of pumping on August 4,2005, an
estimated total of approximately 935,420 gallons of water have been purged from TW4-
20.
4.5 Daily Inspections
Denison has submitted an Operations and Maintenance Plan, Chloroform Pumping
System, Wite 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.
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4.6 Operational Problems
No operational problems in the pumping wells were reported during the 3'd Quarter, 2008
period.
4.7 Conditions That May Affect Water Levels in Piezometers
No water was added to any of the three wildlife diversion ponds during the Quarter.
4.8 ChloroformAnalysis
Monthly chloroform sampling ceased on November 8, 2003. From that time all
chloroform contaminant investigation wells wero sampled on a quarterly basis. The
sample results are discussed above in Section 3.2.
5. CONCLUSIONS AND RECOMMENDATIONS
The water level contour map for the Quarter indicates that effective capture of water
containing high chloroform concentrations in the vicinity of the pumping wells is
occurring.
Between the second and third quarters of 2008, the chloroform concentration in well
TW4-20 decreased from 30,000 ttdL to 21,000 1p,!L, and the concentration in TW4-21
decreased from 160 pglL to 120 VglL. The concentration in TW4-22 increased
substantially from 1,200 ltglL to 6,300 llglL. 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), indicated 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
less than 3 pdL atTW4-24.
Although there has been a general increase in chloroform concentrations in TW4-22 since
last year, the reported relatively substantial increase from 1,200 to 6,300 pgll- between
the second and third quarters seems anomalous. Fourth quarter sampling results should
help indicate whether or not this is a short term fluctuation.
Continued pumping of TW4-19, TW4-20, MW-4, and MW-26 (TW4-15) 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 chloroforrn mass and reducing average hydraulic
gradients, thereby allowing natural attenuation to be more effective.
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The chloroform concentration at downgradient well TW4-6 increased from 24 to
39 p,glL. Although fluctuations in concentrations have occurred, this well has likely
remained outside the chloroform plume 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. Both TW4-6
and TW4-23 bound the chloroform plume to the south.
ITTIIIIIIIIIIIIIIII
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SCALE IN FEET
uw.22 "/a/////////l/,//////,//
EXPLANATTON
w.20
3; ;fffi:T:llll,,o,,**"n { wirorbnond
ry pere,tredpiezometerr!'ll peretred monitoing well? insalled aprit, zoo6
TW+20'r\-- tomporaryperchsdrnonitorirqY well hstalled Apdl,2005
TW4-23j,{'" new temporary perchod monitoring well>t< instaled May,2007 (bcations approximi
PtezA .fr=--s-:-'-:a17 /
a,'- /e'/
PtEZ-5
l1
^lr-.ll
yl
1l
1l
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gl
ll ne
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SITE PLAN
AND PEBCHED WELL LOCATIONS
WHITE IIESA SITE,i-1.ri'r::{. iiy:} CHEMT INC.
s::riiiiir"
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Mill - Groundwater Discharge Permit
Groundwater Monioring
Quality Assurance Plan (QAP)
Date: 2.25.A7 Revision: 2
Page 40 of4l
ATTAC4dENT I
W}IITE MF^SA {,IRANI[}M MTLT,
F'IE[,D DATA WORKSTMETFOR GROUnID WAT'ER.
Description of SamplingEvent: -S !t\ 0,^o, * u rl,lr"o*tg:s.-
Locarion (wenname) ltl{ Ll - irffJiluiniriars
pu- (." 44 ,
f"rp"ruture \H '8 )
Well Purging Equip Use& Aump or-bailer Well Pump (if other than Bennet)
Prev. Vfell Sampled in Sampling Event- :4/-
pHBuffer 7.0 a-0
Specific Conductance-?42-ulvftIoS/cm Well Depth-
,
Depth to Water Before hugi "*13,fu-- Casing Volume (V) 4' lilell: - (.653h)
3" Wetl: - (.367h)
ConduCtiince (avg)-
Well lfaterTemP. (avg) -,-
weathercon d.il,',g, (qr!. -- Ext'l Amb. Temp.(priortosamplingeve ">*ll L
Tiflio;Jtr "f{ .,,-Gal. Purged-
conductance . ..?OlG -
" ct/?Redox Potentiat (Eh)--:!t .r-
Turbidity (J- * Turbidity
! '-;
\I
Redox Potential Potential (Eh)_
MiIl - Grouadwater Discharge Pumit
Oroundwater iVlonitoriag
Quntity Assurance PIau (QAP)
Daae: LL.17.06 Revision: I
Page&l of4l
Volurne ofWatarPurged WheaFieldParameters areMeasured
--.--..-P-umping Rafe Catsulation
Flow Rate (Q), in gpm.Time to evacuate two oasing votumes (2V)
5/60=T=2V/Q= ,.
-...Number of casing volumes Evacuated (if other thau two) --' --
o""uu*d ..-
Name of Certified Analytical Laboratory if OtherThan Enerry Labs
Tvoe of Slunle $qqote
Taken
(c,,irclel
&iiiuileVqlume.
finrficateifother
E{teged
(circl,eI
Pr,qrervqFve Added
(ciTcle)
vocb VN 3x40mI Y HCI. {Y) N
NUAiEEB N l00ml YNJ ILSOr /Y) N
Hdawlfietals Y ,f0 250ht YN IIN& Y NAll Other Nor-
Radiolosics
Y8 250mI YN No Preservative ldded
GrossAlpha YN}l.{m0El YN H?SO. Y N
Other(spec$)UN Sample volume YdY
Ifa preservative is use{
SpecifyTypeand
Quantity of Ppservative:
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TryHIT'E MESA URAMUM M[I,L
FTEI,D DATA UIORKSTIEET FOR, GtrtOUND WATER.
Description of Samplirg Event .3 {'\ O*aar.r a - (:h lu r of o,.u*-. -.--
Milt - Groundwater Discharge Permit
Groundwater Monitoring
Quality Assurance Plan (QAP)
Redox Potentiat (Eh)-lSL-
Tubidity -\1 .3 ---
Pureed
('"
Date: 2.25.07 Revision: 2
Page 40 of4l
Casing Volume (v) a'WelL 3,L ..)"1 - (.653h)
Redox
Turbidity
Sampler
Location (well name) f ulq - t Name and initials 'fin,ro /,
Dae and Time forPurging cl ,t q/(.18 .-*d Sampling (if diftercn$ q / /0 ,/ A B
Well PurgingEquip Usecl Xpump or bailer Well Pump (if other thanBeme1ihru,sL&>
Sampling nvern-fii Prev. Well Sampled in SamplingEvent-It^lLh 7
pHBufferT o a.t
Specific Conductance-?f Z--uMHOS/cm
Depth to Water Before Puretngl]l:L--
WeII Deoth ll t
Conduc&tnce (avg)
WellWaterTemp.(avC)----
-
RedoxPotential(Eh)--s=+,rUidiry :--
Ext'l Amb. Temp.(prior to sampling event)-rllo C-
crrnductance f.altl
3" Well: ,' z,r (.367h)
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Mll - Groundwater Dischatge Permit
CroundwaErMonitoring
Quality Assurance PIau (QAP)
Date: 11.17.06 Revision: I
Page4l of47
fu*0i5-
Volumeof WaterPuged
Pumping Rafe Calculation
FlowRate (Q), ingPm.5/60= =--J Tirne toevacuate two casing volumes (2V)
T=ZY|Q=. - il Mln
Number of casing volumes evacuated (if other than two) at r A -
If well evacuafed to dryness, number of gallons evacuated ru /A ...
Name of Certified Analytical Laboratory if OttrerThu Energy l,*ibs ilt lE _
Tvneof Samnle Samole
Token
(cildet
Srinnli-Ie Vqtume
findiea&ifsther
['iliered
(ci*Ie)Preeervative.{dded
(circle)
tHli ai sqpelfied
bdorr)
VOCs ,N 3x40ml Y H(x.2N
Nutrients N.l0OEl Y H2SO.)N
Hriawlfetals Y(ffi 250ilI YN IINO. Y NAll Other Noa-
Radiolosics
Y@ 25Oml YN NoPbeservative Added
GrossAlpha YOD [.000mI YN HISO" Y N
CIher(specify)
(qrur^-l fnt^aa.
@N Samplevolume Y d$r
ffa prcservative is use{
SpecifyTlpe and
Quaff ity of Preservative:
(1"
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Mill - Croundwater Discharge Penoit
Groundwater Monitoring
Quality Assurance Plan (QAP)
Date: 2.25.07 Revision: 2
Page 40 of4l
arr4,gEmryNT 1
WTINTE MESA I,RANTIJM MI[,L
pHBuffer4.0
Conducttnce
Well lilater TemP. (avg)- Redlox Potential (Eh)-Tbrbidity
WeatherCond.-!lP:r Ext'l Amb. Temp.(prior to sampling eve*)-Ll-o(i:-(.' ,
Time: .. . Gal. Purged ...
Conductapce. }.tlf(
Temperature--JJ:[3A
WellDepth, l}t!., li
-Casing Volume (V) 4" Well: 33 .7 f. (.653h)
Redox
Turbidity
f .';
F'IE[,D DATA WORI$HEETS'OR GROUND WATER
Description of Sampling B vent: 3 e'\ O*a arr p Lh lo c er oar*-
Sampler
Location(wellname) "r'iruq: )
-
Nameandinitials tart^rp il. i ilya* A
Date andTimeforPurging cl / q/ I X und Sampling (tt ditrerent, ? / /l /-0 I .
Well Purging EquiP Used::[pump or-bailer Well Pump (if other thanBennetlhrutzLfrt
Specific Condnrctance. !!!l-JMHOS/cm
Depth to Water Before Purging-6.{.J1.!-
Redox Potential ch)-355___
-16 .?TurbiditY,
.^Purged_
h'ev. Well Sampled in Sampling Event-nd9:Ll
.1.l
3" Well:--aZz-(.367h)
:-Gd.
(Eh) .)
Mll - Grouaduater Discharge Permit
GroundwaEr Adonitori4g
Quality Assurance Plan (QAP)
Date: 11.17.06 Revision: I
Paee4l af47
fu*i*ill-
VolumeofWaterPurgedffid CL
Pumpine Ratg Calculatiog
FlowRate (Q), ingPm.5/60= =--J Time io evacuat€ two caring volumes (2V)
T =ZY1Q= _l I M,n
Number of casing volumes evacuated (if other ttran two)-------. ,""'ZA
If q/ell evacuatsd to dr;ness, number of gallons evacuate.d zt, /A .
Name of &rtified Analytical Laboratory if OtherThan Energy Labs tvttux
Tvneof Saunle Samrlo
Trkgg
(cir,cte)
Sriihile Volume
findicale ifolher
Filtered
(eircle!
Preservative Added
(cifde)
VOCs N 3xzttlml Y,HcI, M N
Nurients N.l0Oml Y/.H,SO, @ N
Fleaw trdetals Y {iI 250hI YN IINO. Y NAII Other Non-
Rrdiolosics
Y6p 25Oml YN NoPreservative Added
GrossAlpha Y6D l.m0rd YN H,SO, Y NONSampld volume Y olj
If a prarervative is use4
SpecifyType and
Quantity of heservative:
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ArTACIry@l{r I
I4I[T[TE MESA {'RAMTIM MILN.
F'trETJ} DA,TA II/ORKSIMET FOR GROT'ND WA,TER
Description of Sampling Event: 3 r'\ Qrro*r,l , Lh ll.co
Location (wellnane) Tt^J 4 - 3 - Nameandinitialq
Date and Time for Purging cl ,fQrl i K *d Sampling (if ditterenil ? / ll f 0 3
Well Purging Equip Used: Xpump or
-bailer
Well Pump (if other than Bemet\:haatelfrs
Sampling Even t (Jt , wtrb itturtus.*x - Prev. lilell Sampted in Sampling Even d/L74 t/'?3
pHBuffer 7.o 7.t pH Buffer4.0-----:t tt
SpecificCondncrance:!3V tmllostem WellDepttt , // d
-
WellWaterTemp'tavel -/-
Depth ro WaterBefore Pwdrr1-l? 3{ CasinsVolume (v)4n wett:$LllL $s*)
Conductdnce(avg), .-3,1rys[; _ (.367hi
pHofWdter(svg)., .- -.
Reiox Potenti"l (Eh)--]t*U idiry 1
WeatherCon d .1r,, IJ, (r, l* - Ext'l Amb.Temp.(priortosampling rr"ri-Jfk
. #ta
Mill - Crroundwater Discharge Fennit
Groundwater Monibring
Quality Assurance Plan (QAP)
Dats 2.25.0'1 Revision: 2
Page40 of4l
{:
rinrc:l\Z F
-Gal.
Pureed-!2-
conducta$e l8clJ
pH .6't7
Temperature- lL{'la -
Redox Potential CnU--Bli--
ru*ioitv -... J-l .$
-
._hrged-
(Eh)____\__
Redox
Turbidity.
(Eh) ..-' l-
'*/$ il-//
€,^,r.-G- S**/L,
(i
l/-"- /*oLu 2-""-4. a,! /**p /cr,rze ?:5,1
a5 n? tN.s sL,pVeb o- Siloui,-' f*lJr-( Dt.
-<'i t, / a2
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Mill - Grouudwater Discharge Perarit
Grouudwater Moniroring
Quality Assurance PIan (QAP)
Dare: 11.17.06 Revisioa: I
Page{l of4l
furbiaiE-
Volume of Water ftuged
PumpinB Rate Cateql8lion
FlowRate(Q), inepm. ,Time to evacuate two.Aa.ri4g volurns (ZV)T=ZVIQ= l/ *,,',^5/60= =---J
Numberof casing volumes evacuated (if other than two)
If well evaeuated to dr5rness, number of gallons evacuatq.d
Name of Certified Analytical Laboratory if OtherThan Energyl-abs tVure
Tvpe of Samqle {Samnle
Taken(ctftlc)
SaiiriileVolume
(indicste iiother
['lltered
(g'rcle)
Preeenntiv,? Adde{
(eiTcle)
thnil ai sneciffed
trelow)
VOCs ,N 3x40ml Y, /N HCI,2N
Nutrienc N.tOOnl yi.H,SO,)N
HdawMetals v(N 250ihl YN IINft Y NAll Other Non-
Rndiolosics
Y@ 250mI YN Nohaservative Added
GmssNpha Y{M 1,000 ml YN HrSO, Y N
Other (specify)
hror*,t (*rtttdu
00N Sampldvolume Y69
ffapreservative is use4
SpecifyType and
Quantity of Preservative:
0..
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Mill - C'roundwater Discharge Perrnit
Grourdwater Monitrcring
Quality Assurance PIan (QAP)
F'IET,DDATA
Description of SamPling
Location (well name)i^tg: t'[
Date: 2.25 -07 Revision: 2
Page 40 of4l
aTsaqE[MENT 1
WHITE MESA URA"hIXUM NdILI,
rOR GROUND WATER
a
Name andinitials.
DateandTime torPurglng q ,/ r/r/ t K andSampling (tf ditterenil q / /0/05 -
Well Purging Equip Use* Xpump or-bailer WeIl Pump (if other than BeweDhraai-fr t
Prev. Well Sampled in SamplingEvent-:i:r.tt--- I
pHBufferT.Q
Sampl ing Eve *J]:wr*-zhtwrzu
Specific Conductance-7 7 L-uh,tr{Os/cm
Deprtr to Water Before Purging--6-L2J-
conducfiince tu"s) ---
Well Waier Temp. Gve)--
-
V/ellDepth, llq.S
Casing Volume (V) 4' Well: ..3J,, { I - (.653h)
3 " Well :.__.tu'A-(.367h)pHofWdter(avg),,, -- -q
RedgrPotentiaf Gfr)- -]irUidity. -:
Weather Cond -!lslrd[%- Ext'l Amb. Temp.(prior to sampling evenD-23j-g-
Time . Gal.Purged -.
conductance ]5.I1-
ps Lk
Temperaurc lll'7-T
RedoxPotential(Eh)-3'Ll-L--* *H
311'
Purged_
t-jj
Sampler
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Volume of Water Purged Um
Pumping Rate Celculation
FlowRate(Q), inePm.5160= =--A Time to evacuote two casirry volumes (2V)1=![/Q= I I prjn
Numberof casingvolumesevacuated(if otherthantwo) ... . -lA --
If well evacualed to drSmess, number of gallons evacuafed ,u r^
Name of Oertified Analytical Laboratory if Other Than Energy Labs . eUt ,r:,.e -
Mill-GroundwaterDischargePermit DarH 11.17.06 Revision: I
Groutrdwater Monitoring
Quality Assurarce Plan (QAP)
fu*Aiq-
Page4l of4l
TvneofSample Saimole
TakeE
(c,ircile)
SiihrileVglu+p
(indicateif otler
Eittere4
(circle)
PreFervatiyeA$gd
(ci{cle}
flrtiil oi spesified
belowl
VOCs N 3x40ml Y (DS t.HCX-/N
Nutdents N.l00ml Y(Hr.lOr g) N
HdawMetals Y(N A5Oinl YN IINOT Y NAll Other Non-
RadioloEics
Y6?25Ornl
;.,
YN No heservatiw Added
GrossAlpha YOp I-mOmI YN H,SO, Y N
Other(speciff)
Lunor-l ,fat$,ru-
ODN Samplevolume Y&)
If a preservative is use4
SpecifyTlpe and
Quantity of heservative:
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Mill - Groundwater Discharge Perrnit
Groundwater Moni8oring
Qualig Assurance PIan (QAP)
(
Date: 2.25.0'7 Revision: 2
Page 40 of4l
aTTaCrxMEMl-
WHXTE MESA IiRANTT,|M MIT,N,
FTEI,D DATA W,ORKSNMETFOR GROUND WATER
Description of SamplingEvent: 3 e'\ O,tuorra - -,, *
Locarion(weunarne) fi,uq -5 i;[X'h iniriats-fi,,a,,t /]. * Lya,.t P
Date and Time for Purging c/ / %iK-*d Sampling (it ditferent) ,,? / /4 / 0 $ ,
TlellPump(if ottrerthan Bernet) (r,t^,1 fis.
Prev. lVell Sampled in SamplingEvent rirq -tU
Well Purging Equip Used: 2fpump or
-bailer
Sampling Event 1il
pHBuffer7.0.
Specificconductance 7rl7 .TMHOS/cm Wetlo"ptf,, 9-lAl'75 -
Depth to water Before Pureinc.-5qlc1-- casing volume,rrf #fii*!:;il,
ConducEince (avg)- pH of W:iter
WellWaterTemp.(avg)- RedoxPotentialGhl-turbidity
Weather Cond.-Arsr cc"$+Rq,a- Ext'l Amb. Temp-(prior to sampling eventJ5k-
Time: . Gal.Purged-
Conductance ltq Ll -
ot . h,qL
-
r"mp"rattne . 15'06 -,l loRedox Potential (Eh)-Redox
Turbidiry ].la -Turbidity.
.turged-
1'-.:..
(-.- . t
:
".[;
(Eh) -r
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Mill-GrourdwaterDischargePermit Date: 7L.17.06 Revision: I
Groundwater Monitoring
Quality Assurance Plan (QAP)Fage(lof4T
fu*i*f-
Voluneof trVaterPuged
Puurpiqg Rate C. alculation
Number of casing volumes evacuated (if other than two) .v /o _
If wett evacuated to dryness, number of gallons evacuatsd
Name of Certified Analfiical Laboratory if OtherThu BnerWl.abs_ tVt rx_
Tvrgof Sample Samplg
Taken
(circle)
Slir46leVo,Iuue-
(indicate if other
Eiltsred
(circle)
Preservative Added
(circle)'thiiii oi spccifred
VOCs ,N 3x40ml Y HC[, &, N
Nulrients N.l0Omt YAD II^SO. 0r, N
HiawMetals Y CiT 2soriil YN HNO. Y NAll Other Non-
Radioloeics
Y@ 250mI YN No Preservative Added
GrossAlpha Y@ 1,000 tnl YN H,SO. Y NODNSampldvolumeY d,l
If a preservative is tue4
SpecifyTlpeand
Qruntiry of Pr,eservative:
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Mill - Groundr,vster Discharge Pemit
Groundwater Monitoring
Quality Assurance Plan (QAP)
Date: 2.25.07 Revision: 2
Pace 40 of 4t
ATTACHMENT 1
HT${XTE IIdESA ['R.AM['M MIL[,
F'NE[,D DATA W.ORKSIMET EOR GROUND WATER
Descriptionof SamplingBvent: 3a'\ Oruarrt,- - Lhluco-'ontv*- ..
Sampler
Sampling Even Jlwa
prButrerT.o-74
Specifi c Conduc tanc e -4lZ_lfirltl1S t cm
Depttr to WaterBefore Purgtng-7.f .3L-
Well Pump (if other than Berrrre$Laud-frs
Prev. Well Sampled in Sampling Eventgl5
WellDep0r, lo0
-Casing Volume (V) 4' Well:_11$1-(.653h)
3" Well: (.367h)
Location(wellname) fwQ- (, Nameandinitialq
Date andTimeforPurging ? r/^, I --andSampling (rtditrerenr,, q//0/Ag
Well Purging Equip Use* Xpump or_bailer
Conductrtnce (avg)- pII of .Wdter (avg)
WeltWaterTemp. (avg)-Redox Potential (Eh)_Turbidity _
WeatherCond. or:.\ , Fo,l", .- Ext'l Amb. Temp.(prior to sampling cvent)__l$-<-
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pH t-frq
Temperatrue lil. (L
Time:, .,..Gal.Purged-
Condrrctance Ll06l
Redox Potentiat (Eh).--tl a3---
Turbidity 761 . )-
Purged-
...'.[ '-r
Number of casing volumes evacuated (if other than two) ^,/* _
If well evacuated to dryness, numberof gallons evacuated . rurn
Namc of Certified Aualytical Laboratory if OtherThan HaegyLabs__ZU*vr
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Mill-GroundwatcrDischargePermit Date: 1L.17.06 Revision: I
Crroundwater ldonitoring
Qrurlity Assurance PIsn (QAP)Page4l aiLl
rrrrbiait-
Volurne of WaterFurged
Pum_pine Rate.Cplgulation
FlowRate (Q), ingpm.
5/60 =
Time to evacuate two casing volumes (2V)T=2VIQ= L,ta;^
Tvneof Slmnle Samule
Taken
(circtp.)
SoinlileVo.lume
(indicate lfother
Eiltere4
(circle)
Preserrative Added
(circle)
Itlillas.specifr4
VOCg N 3x4O Y.HCL 2N
Nutdents N l@mt Yi.H,SO,)NIldawMetalsY250:61 YN HNO, Y NAII Other Non-
Radiolosics
Y 250m|YN NoPreservative Added
GrossAloha Y I.000 Ed YN IITSO4 Y N
Other (speciff)
huo^l--funaail-
ODN Sample yoluue Ydj
Bapreservative is use(
Specify[peand
Quantity of heseruative:
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Mill - Gmundwater- Discharge Permit
Groundwater Monioring
Quality Assurance Plalr (QAP)
DatE - 2.25.91 Revision: 2
Page 40 of4l
ATTAC$|fltsNT1
WIfiXTE MESA ['R.AI\IT{'M NflTT,L
F{ELD r}AT'A WORIGIIEET EOR GROUTID WATER
Descdption of SamplingEvent: 3 e'\ Au,avp - - c-h loco(oa,nt-
Sampler
Location (well name) Twq - 7 . Name and lrr.itial.s Amno I
Daie and Time forPurging ? / ?r' tt K
-and
Sarnpling (it differenq ? / /l /' 0 I
Well Porging Equip Used: Xpump or -bailer Well Pump (if other than Benne ilLtuulnt
Prev. Well Sampled in SamplingEvent-l'tJ9-: ])
pHBuffer7.0.7.t pHhutter4.o---**!.0
SpecificConOuctance,??7 uMUOS/cm WetlDep
Depth to WaterBeforePurgrng-6Elr__ Casing Volume (V) 4' lVell: 3q. oa (.653h)
pHofW
3" Well:. ruzA (367h)
lVell Water Temp. (avg)-.:RedoxPotential(Fh) -Turbidity
Conduettince
(: ,
Itreather Cond Ext'l Amb. Temp.(prior to sampling event)-iQ o-L
#ta
Sampl ing Bve ntinaetu.A-&b&tu!.
t
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Timu-,-Gal.Purged -
Conductance t 64 (
pH 7&C
{l,lI
I
T€mperaturc .15 '0). -
RedoxPotential'(ED--ilI-- neiii
Turbidity
Pursed
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(Eh) --
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MiIl - GroundqmterDischarge Permit
Groundwater t\4onitoring
Quality Ass urarce Plen (QAP)Page4l of4l
+urbia$:-:furU*titl-
Volume of WaterPurged
Punpiqg Rqte Calculation
FlowR.ate(Q), ingpm"5/60= = d T=2VIQ= ll Hr,r
Time to evacuatre two casing volunes (2V)
Numberofcasingvolumesevacuated(ifotherthan awo) "tttt *
If well evacuated to dryness, number of gallons evacuated nr r 4 . _
Name of Certified Analytical Laboratory if OtherThau Energy Labs_. a/tsr:
Date: il-17.06 Revision: I
Tvoeof Sample SFmoIe
Ta.Ben(circLl
S!m, rilqVo,Iump
finillcote if other
Fittered
(circle)P, {ffgUr,otiveAdded(clrcle)'thtiil ai spec-iffed
below)
vocb ?N 3x40ml Y ECI, &,1 N
Nutrients N.l0OmI Y H,SOI g/ N
HdawlVtretals YGl 250drl YN [INO. Y NAII Other Non-
Radiolosics
Y@ 25Onl YN NoPrcserrative Addcd
Gross Alpha Y09 l.0O0mI YN H2SO4 Y N
Other (specify)
{rrurr,.l fnunttdu
00N Samplevohrme Y&l
ff a preservative is used,
Specifftlpeand
Quantity of heservative:
(J,,
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Mill - Croundwater Discharge Permit
Groundwater Monitoring
Qualify Assurance Plan (QAP)
Datei 2.25.07 Revision: 2
Fage 40 of4l
$TTACI@I\ITr
WffiIT'E MESA IiR.A}tr{UM MXT,L
STEN,D DATA. W,ORI(SHEBTS'OB. GRO{JND WATE&
Descriptionof SamplingEvent: .3e'1 Ors.arr,c- Lhlo:orgar* ,.. .. ...
Sampler
Location (well name) 'fl^d Y - ( _ Name and initials
Date andTime forPtnging'l / *, K and Sampling (it dttrerent) I / /0 / 0 I
trYelt Purging Equip Used: ,fpump or bailer Wcll Pump (if otlrer than Beruret\Jhtut!fis
Prev. lVell Sampled in Sampling Ev ents-t J-!.: I I
p[Butfer't.o-7i!
SpecificConductanee*l??V
-trMIIOStcm
WellDepth I I 6
-
Depth to WaterBefore purernl--6-t i-3- CasingVotume ,rrt"ryri::. JZ*22111,
C.onductance(avg) -
-
pllof Writer
WellWaterTe*p.(n S)- -- RedgxPotential(Sh)--Sur'iOity
Weather Con d.0 L, * , C *tl Ext't Amb. Temp.(prior ro sampting even tt-U.-I; ' -
Gal-
cnnducfance 31q3
pn 7')LI
r"*p"rurur" lLl '51 -
Redox Potential (Eh)-LU--Rpdox
rurbidity -J.}' 6 -Turbidity
._Purged--
|'. :
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Mill-Groun&ryaterDischargePermit Dare: 1L.17.06 Reruion I
ru*iAi.-
Page4l of47
volurneofwaterPurgedwh@d .3 z . &-l
Pumpi4g Rate Calculation
FlowRate (Q), ingpm.
5160 = =--*L
Number of casing volumes evacuated (if other than two)____ '- . __
If well evacuated to dqtness, number of gallons evacuated _. .-
Name of Certified Analytical Laboratory if Other Than Energy Labq
Time to evacua&e two casing vohures (2V)T=ZY|Q= . -/2 p,,t
Groundwater lldonitoring
Quality Assurance Plan (QAF)
Tvns of Somple Samnle
Tnlte4
(drcte)
SaiirdleVolumeffiffiila f iltered
(circle)Preservative Arlded
(ciTcle)
thtirl os enecified
below)
VOCs ,N 3x40ml Y HCL U NNutrientsN.l0Omt YI,HzSOn U) NI*iawMetals Y difl 25Oiirl YN IINOT Y NAII Other Non-
Radiolosics
Y6p 250m!YN NoPrcservative Added
GmssAlpha Y6p 1.000 ml YN ILSOr Y Nutmr (speclty)
hruro,,l fi.uafin)u
6N SamFle volume Yd)
lfa preservative is use{
SpecifyTypc and
Quantity of Preservative:
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I Mill - Cnoundwater Discharge Fermit
Grourdwater Monitoring
Qualify Assumnce Plan (QAP)
Date: 2,25.07 Revision: 2
Page 40 of4l
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aTTAC,$IMENT'1
WEflTE MESA I'RANNUM Mru,L
F'XET,D DATA WORKSflEET'F'OR GROUND WATER
Description ofSamplingEvent: -3 r'\ O*a'arro Lh lolo-'t:e,*
Sampler
Location (wellnanr) 'fN 4-X . Nameand initials -fi*aq !
Date and Time for Purging cl ,i ?/. t I -*andsampling (rf dittercnrr-q / P / 0 g
Well Purging Equip Used: ;fpump or
-bailer
$/ell Pump (if other thwBeme}-:hwL&s
Sampting Bven Prev. Well Sampled in Sampling Event-:.gi'Y' I
pli.Plutrel-7.0-7t!plHBtfier 43------?4
SpecificConductance-ZZZ-ulvElos/cm wettrrcptn ...- .,@ t?/' 3,
DepthtoWaterBeforePurgine ,I). L I CasingVolume Nr+"Wen: .44-,€9 -(ASZ$)
3" Well: - (.367h)
pHof Wnter(avg) ,=-=
Well WaterTemp. (avg)-- ---RedoxPotential(Eh)* :Turbidity -
E:rt'l Amb. Temp.(prior to sampling eveaqjl 9:!,L-
Conducftince(avg) -
Redox Potential (Eh)-197--
Turbidiry .11.6
--Purged_
TiwlrxJEIZ-GaL Purged 7 ? . .. .
Conductasce tCOq .-
prr . t.9a -
Temperature lL{ .Ldct
-Redox
Turbidiry
(i
WeatherCond . c{rr.ot,. larJ
(Eh)______:_(Eh) .--
Mll - Grouadwata'Dhcharge Permit
CroudwatsrMoritoring
Quality Assurance Plan (QAP)
-&eidit-:
Date: LL.77.06 Revisiou I
Page 4l of 4l
fu#Aiq-
FlowRate (Q), in gpm
5/60 =
Pumpins Eate Calculation
Time to evacu&te two casing volumes (2V)
T =}VtQ= dl *:^, - f /_tu.:*
Numberof casing voturres evacuated (if otherthan two) *- -*
Volume of WaterPurgea T-
If well evacuaM to dryness, number ofgallons evacuatet'_ --
Name of CertifiedAnalyticallaboratory if OtherThan Blrcrgyl,abs .tVtw _
Tvne of Samnle Samnle
Tdren
(circle)
SniinileVslume
findicaleif other
['ilterrcd
(circle)
Preserrative Adiled
fcir.cle)
thdif ai sDecified
below)
VOCs 7N 3x40ml Y.HcI" &, N
Nutrieats N.f00nl Y1.H,SO, A) N
Hriawtrdetals Y {if,250iirl YN IINO. Y NAII Other Non-
Radiolosics
YGP 250mI YN No Preservative fdded
Gross Aloha Y6D 1,000 ml YN HrSO. Y N
Other(speciff)6N Sample volune Ydp
Ifa prcscrvative is used,
SpectfyTypc and
Quantity of Prescrvative:
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Mill - Groundwater Discharge Pei'rnit
Groundwater Monitoring
Quality A$surance Plan (QAP)
Sampler
Location (wEll nams) tldt.t - {o-
-
Name and initials
Well Purging Equip Used: Xpump or-bailer
SamplingEvent (J,, *r"b ,l't r .^
Date: 2.25.07 Revision: 2
Page 40 of4l
ATTACHMENTS
WEITTE MF"SA URA"B[I['M MII,E,
['[E[,D DATA, WORKSIIEET FOR GROUND WATEB
Description of Sampling Even t: 3-e "\ - Q,\a. arr.t- . !+h I u e or oe,r-
(:
Time: -- Gal.Purged-
conductance l{IL\
ps - 7.91
Temperature 19 'fl6
Gat.
\_RedoxPotential(Eh)--36.I- Redoi
Turbidity,]3.5
Purged-
DateandTimeforPurging'7 r' 9r'' K,*asampling (it ditrerent, 1,/ /l / 0 I .-
pHBuffer7.0-7.t
specific conduetance-ff Z-u}ffIos/cm well Depth , I [a ,
Depth to Water Before Purgrne-5Ll,fl'l- Casing Volume (V) 4" lVell: 17 . {J (.653h)
3" Well:,, ruzA .(.367h)
Condue&ince (avg)- pH of Water (avg) .
Well WaterTemp. (avg)- . Redox Potential (Eh)-Turbidity
-Weather Cond.Orlcce1f,-tsa1-'4- Ext'l Amb. Temp.(prior to sampling event)-- |C-4-
Tt/ell Pump (if otherthan Bemet)-.:huulfrs
Prev. Well Sampled in Sampling Event furt{- l I
t-,,
(Etr)_--____\___(En) ., )
Mill-GroundwaterDischargePermit Date: 1Lt7.06 Revision: I
Grouadwater lMonitoring
Quality .Assurance PIan (QAP)Page47 af4L
fsfbidiE
Volurne of Water Purged
Puorpine Ratq Calculation
FlowRate (Q), ingp.m.5/60= =--6-Time to evacuate two casing volumes (2V)
T=2VlQ =lq ^Ar;
Number of casing volumes evacuated (if other than two)_____aga
ff well evacuated to drlmess, number of gallons evacuated a.,l /A -
NameofCertifiedAnalyticalLaboratory ifotherThanEaergyLabs ilt-rra -
Tvne ofSamnle Samplq
Eaken(qircle)
SririniJqVqlume
fiudieetedo&er
Eiltorqi!
(cirde)Preservstivg.$dded
(ci{cle)
tFti4 ai epecifiqC
lrelowl
VOCs N 3x4Oml Y EICL M N
Nutrients N,lfi)ml Y/ESO, V) N
Hdawlvletals YGI 250hI YN IINO, Y NAII Other Non-
Radiolosics
Y6p 25Oml YN No Preservative Added
CrrossAlohr Y&0 I.mOml YN HrSO4 Y N
Other (speciff)
{nru*,,l arnarrtt-
ODN Samplevolume Yd[l
If apreservafive is use4
Specfltlpeand
Quantity of Preservative:
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Mill - Groundwater Discharge Permit
Groundwater Monitoring
Qualig Assurance Platr (QAP)
Sampler
Location(wellname) fr^ru-. ll. Nameandinitials.
Date: 2.25 -A7 Revision: 2
Page 40 ot4l
Ar"fapIm4ENr n
WX{ITE MESA IJRANII]M MNL[,
F[E[,D DATA W.ORKSEEET FOR GROUND WATER
Description of Sampling E vent: - S e ".\,, Or*a av a - Lh lv,r or oeu*-
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DateandTimeforPurging cl rl ?r'' K undSampling (rt ditrerenq q/ il / 0 S
Well Purging Equip Use* Xpump or bailer WellPump (if otherthan Bewe|-Lhaa,ul frl
Prev. Well Samplecl in SamplingEveut-fQ3!:f,t
ptl Buffer 7.Q
specific conductance-ff2---uMlos/cm well Depth---Jao-
-
Depth to Water Before Purgine--Ll;llJ- Casing Volume (V) 4" Well: :S. iq (.653h)
3" Well:-- arra I367h)
Conductrince (a pHofWriter
WetlWaterTemp.(avg)- . Redorpotentiai(Eh)-----furbidity-
Wedt[er Cond. (){rrcr.(l r [V. i^. Ext'l Amb. Temp.(prior to sampling event)-lAk:--
Conductance }}8I
RedoxPotential(Eh)-3l-- Rsdox
Frged-
Tirne:-Gal. Purged-
!.:
Mitl-Gr'orudwaterDischargePermit Date: t1.77.06 Revision: I
Groundwoter Moniloriag
Quality Assurance PIan (QAP)Page4t of 4l
ferbidiE
Volume of lVaterPurgeA
Pumping Rafe Calculation
FlowRate(Q), ingpm. II tvYY r\Ee \\<.r, s 6r-. ?5/60= =---0
Time to evacuate'?T,:t*volumes (2v)
T=2VlQ=
Number of casing volumes evBcuated (if other than two) Nl tL _
If well evacuated to dr5mess, number of gallons evacuated ,r.r la
Name of Certified Analytical Laboratory if OtherThau F.wrgy Labs- a/nuF
Tvne ofSamrle Samole
Ta[en
(circie)
Sfli$ileVo,lume
(lniliclie if other
f,'lltered
(circle)
Pr,eservfltive Added
fcircle)'thiii as specige4
below)
voG PN 3x40ml Y HCL 2N
Nuttients N"I0OnI Y II?SO.)N
Hriaw\rfetals Y(N 250ill YN HNO" Y NAlt Other Non-
Radiolosics
Y6?25Oml YN No Preservative Added
GrossAlpha Y(M 1.000 EI YN HrSO, Y N
Other (specify)
Lrurc,*l lttaatu-
CDN Sample volume Y d['r
If a preservative is use4
SpecrffTypeand
Quamiry of Praservative:
CI,,
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I Mill * Gr-oundwafer Discharge Pennit
Groundwater Monitoring
Quality Assurance Plan (QAP)
Date: 2.25.A7 Revision: 2
Page40of 4l
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ATTACEXMENT 1
WXfrTE MESA [JR.A.I\T&]M MTI,L
,\ '.'
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F'XEX,D DA,TA WORKSHEET E OB GROUND WATER
Description of Sampling Event: 3 e"\ O,uatro - Lh lu.sof qty*-, -
Location (well name) 7r.r V. l2-_ _ Name and initialq
Date andTimeforPurging c/ / 1/ l K
^nd
Sampling (rf different) ? / /0 i 4 ts
Well PurgingEquip Used: .,[pump or-bailer Welt Pump (if otherthan Beme[Ltua;!/rtL
SamplingEvent il,'nortrb ".hh"r. '^ Prev. Well Sampled in SamplingEvent TuA-23
pII Buffer 7.0 7.t p[Btfier 4.0----:fuL
SpecificCondrtctarce,4?7 A&t glsst WellDepth , /0/. {
-Depth to WaterBeforePurgin e-Jj-A|.- Casing Volume OD 4" Wdl: ?/, $J (.653h)
Conductance (ave) -- , pH of Water (avg).
3" Well:- (.367tt)
WelllVaterTemp.(avg)---
-
RedoxPotfitial(Eh)-:lTurbidity
Weather Cond . fln, 5 , :,tirt f /LqrcGirt'l Amb. Temp.(prior to sampling even tl)Lt1-
Time:JNEQ --Gal.Purgeil-!/- Tine:-Gal.
conductance, 761. j _
Purged-
(Eh)______\__
Temperature
(Eh) -,'_ -
Mill-GrousdwaterDisehargePermit Date: 11.17.06 Revision: I
Groundwater Monioring
Quality Assurance Plan (QAP)
fu*iAt-
Number of casing volumes evacuated (if other than two)
Pap4l of 41
Volume of WaterPurged -----v
Pumpins Rate CalcElation
Flow Rate (Q), in gpm. , Tirne !o evacuate two.casing volumes (2V)s/60==A,T=zyte=_JlW
If well evacuated to dr5mess, numberof gallons evacuated
Name of Certified Analytical Labomtory if Other Than Energy Labq
Tvneof Sample Samole
Taken
(circle)
SirirrileVolume
(indicate if other
f iltered
fcircle)
Preservative Added
(circle)
thrii as eueaified
below)
VOCs &N 3x40ml Y.HCI. &, N
Nuhients g, N.l0Oml YN rtso, 6D N
Heawhfetals Y6T 250ihl YN HNO. Y NAtl Other Non-
Radioloeics
Y@ 250mI YN NoPrescnative Added
Gross Aloha YIN I,fi)Oml YN H,SO, Y N
Other(speciS)
{quror-l arua,
clN grmple volume Y 6$J
If a preservative is used
SpecifyType and
Quantity of Preservative:
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Mill - Groundwater Discharge Permit
Groundwater Monioring
Quality Assurance Plan (QAP)
Date: 2.25.W Revision: 2
Page'10 of 4l
ATTACHMEI\IT 1
WE{ITE MESA EIRANTUM MTLE,
[,TET,D DATA IJVORN(SITEET FOR GROTJND WAT'ER.
DescriptionofSampling Event: 3 e't Q,qayr( - ch lu:oflgl';,r-
Location (wettname)tl'l' 13 i,l*:'il, initiats."fin*t tl i Lyna P,
DateandTimeforPurging ? r' ar' q, andSampting (tt dttterenil g / fi / A S
Well PurgingEquip Used: Xpump or-bailer
SamplingEvent fiuaonto\ i'th
p[Brtrer1,.0-7i!
Specific Conductanee 4?V uNfrIAS.rum WeU n"pttr ,fuf. S
-
Depth to WaterBefore p*gr"g-&%-Y- Casing Volume (V, q" Wen:; 6 ' L{7-(653h\
3" lVell: (.367h)
pH oJWater (avg) * --Condue&lnce (avg)
- -
Ext'l Amb. Temp.(prior to sampling event)--l! t/;-
Welt Pump (if otherthan Bennel-hugel frs
Prev. Well Sampled in Sampling Everrt-7 st'{' lZ
WellWaterTemP. (avg)--- -
-
remperarur" iLl.UQ
-Redox Potenrial (Eh)-465- Rrh;
Turbidity }}.0 -
. Pureed
( -:i
Gal. Purged 2 7. .
(Eh) )
Mill-GroundwaterDischargePecmit Dare: 1i.t7.06 Revision: I
Grourdwater Monitoring
Quality Assurance PIan (QAP)
fu*iety-
Page[l of41
Voluneof WaterPurged v-
Pumping Rple Calculeligg
Ftow Rate (Q), in gpm. , Time to evacuate two casing volumes (2V)5/60= T =ZY!Q= ii--r^-:'-
Number of casing volumes evacuated (if ofter than two) --l- _
If well evacuated to dryness, number of gallons evacuated -- .
NamE of Certified Analytical Laboratory if OtherThan Eneryy Labs Nure
Preservqtive Ad{S4
(cifcle)
Sampld.volume
If apresewative is use4
Specifylypeand
Quantity of Preservative:
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Mill - Gr-oundwater Discharge Ferrnit
Groundwater Monitoring
Quality Assurance Plan (QAP)
Date: 2.25.A7 Revision: 2
Page*} of41
AgrAcmt{nNrI
WHITE MESA IJRA.NIUM MtrLE,
E'[ET,D DA,TA WORNrcHEET S'OR GRO{'ND WAT'EM
Descriptionof SamplingEvent: 3E'r (]*aarrt . Lhlocof oaut-
Sampler
Location(wellname) TC./'J- lV Nameand initials:frust*l
Dafe andTime forPruging cl /,'t, 'K anasampling(if ditreren} .9/ /l-i 0 S
Well Purging Equip Use& ;fpump or -bailer Well Pump (if othe r thanBemeil:aruryllZ.;
Sampling Even t .(lt, arob rhtn,,a,,,,^ Prev. Wetl Sampled in Sampting Ev entJl*fl: I 3
Specific Conductance*2ZZ--uMgOSlcm
Depth to water BeforePuretne-ZLl!- casing volume *l1 r#;il:-=ji=.![|lP
Conduefttnce(avg) ,. , .. "-
-
pHof Water(irvg) . ._
WellWaterTemP.(avg)- RedoxPoEntial
Ext'l Amb. Temp.(prior to sampling ev eilr-/-? G.-
,u//t #/a
(Eh) - Turbidity-;
(*.. '
Timo: . Gal. Purged
pH
Temperature-
Conductsrcq
Redox Potential (Eh)-
Turbidity-
Purged-
Redox
Turbidiry
(i
Temperature
Gn). . ^
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Mill-GroundwaterDischargePermit Date: 11.17.06 Revision: I
Croundwater lVlonitoring
Quality ^Assurailce Plas {QAP)
Turbidir--
Pap(l of 4l
Tirne to evacuate two casing volumes (2V)
T=2VlQ=
Number of casing volumes evacuated (if other than two) 1- .
If well evaeualed to dr5mess, number of gallous evacuated
-Name of e.ertifiedAnolyticallaboratory if OtherThan EnergyLabs il.Crre _
Volume of T[aterPurged
Ppmlrins Rate Calculation
Ftow Rate (Q), in g,pm.5/60= =-A
Tvne ofSarnple Samnle
Taken(cirde)
SriurileYolume
(indiote if other
EII!ered(circle)
Pmsg.r,wtiveAdded
fcircle)
thtiil os. soecifie4
helow)
VOCs a0N 3x4tlml Y.HCI,2N
NuEients V' N..l00ml Y HzSOr ,N
Iliaw lrlefals Y dir 250ihl YN IINO. Y NAll Other Non-
Radiolosics
Y6?25OmI YN NoPreservative Added
Gross Alpha Y0$l.00Oml YN HrSOa Y N
Other (specify)
hrorr,-l Eamqa)u
6N Sampl6volume Y&r
Ifa preservative is use{
SpecifyType and
Quantity of Presorvative:
0',
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Mill - Groundwater Discharge Pennit
Groundwater Monitoring
Quali$ Assurance Plan (QAP)
ETEX,DDATA
ATTASflMENT x
WE{TT'E MESA I'RAMUM M[[,L
Daw: 2.25-tr1 Revision: 2
Page 40 of4l
WATtsR
Description of SamPling Eventl
Locarion(w"nnume) 7r,.i ud il#Jil, nruats Ta,,,u,r ll . {1a^r I
Date and Time forPurging _ and Sampling (if differen$
/l
Well Purging Equip Used: Xpp*p or-bailer lVell Pump (if other flran Beme$:hn:{-
It
Sampting Even t Chk rafoewt - Prev. Well Sampled in sampling Eve * N-0-
pHBuffer7.0 a.a pHBuffer4.0
Specific conductalrce-ql7_tir,diloslcm w"ltD"pth ? ,
Depth to water Before Purgin J4 ^ V'{ Casing Volume (v) 4' w€ll: - ("653h)
3" Well: * (.367h)
Conduc&incetavg) -l pHofWiter (av* --
-
WeatherCond -C ,, ./P Exf I Amb. Temp.(prior to sampling even ,r-/f-k -
(
Gal. Purged_
pw 6.v-'/
-temperatur" Li 9l
Redox Potential G$a7L
-
Turbidity.fro
fitffe"a-
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ftfrll-GroundwaterDischargePermit Date: ll.l7.M Rsvision: I
CrouBdvllatern oEibriEg
Quolity Assurance Plan (QAP)Page(l of4l'
TurbiditY.Turbidity
VolumeofWaterPugedWhenFieldParametersareMeasured . - _
Pumring RafB QalcuktioU
FlowRate (Q), ingpm.
--_-__--.---S/ffi= =.
Time to evaeuate two casiug volurnes (2V)
T =2YtQ= ----
Number of casing volumes evacuated (if other ttran two) *a-ll-
If wellevacuatcd to dryness, numberof gallonsevacuatgd #
Name of CertifiEd Analytical Laboratory if OtherThan Energy LabS 8'
Tvne of Sample Saqole
Take4
(circle)
SiihilqVqluue
(indicatc if otLer
['iltered
(circle)
Preservative Added
(circle)
voch (v/ N 3x40ml Y. qr IICI. (Y.] N
Nutrients nN l00ml Y qf'IIzSOa (t) N
I*iawMetals YN 250hI YN HNO. Y NAII Other Non-
Radiolosics
YN 250ml YN NoPreservative fdded
GrossAloha YN 1,000 ml YN ILSO, r Y N
Other (specify)UN Samplevolumc YN
Ifa preservative is use4
SpeciffTypcand
Quantity of Pressrvative:
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I Date: 2.25.07 Revision: 2
Page40of 4l
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Mill - Groundwater Discharge Pernnil
Groundwater Monitoring
Qualily Assurance Plan (QAP)
Sampler
Location (wellname) Tt*'1,,--/,L * Nameandinitials
ATTACTIMENTl
WEIITE MtsSA URANE[Ihd MI[,[,
E [E[,D DAT'A W, ORI$IIEET S'OR. GROIII{D WATER.
Description ofSamplingEvent: -S e": Q+""rrs . Lh l""of*
DateandTimeforPurging ? /', K undSampling (rf ditrerent) ?,/-/0 / 0 I _ ._
Well Purging Equip Used: Xpump or _bailer Wetl Pump (if other rhan Berrrre[:htuuLfr;
SamplingBve", fi,^^rr-* ***r* Prev. Well sampled in samplingEverr--W Tr,u, y-zS
pHBuffer7.0.{.t pHButter fi-----:fu!
Specific Conducance-ZZZ-uNfiI0s/cm Well Depth /. ? 3 -
Conducfiince fust
Depttr toWaterBeforePulging-313!Ll- CasingVolume (V)4" Weilr Sr.5-t (.653h)
pHof,Warcr
3" Well:- - --(.367h)
Well Water Temp . (av g) --r".,*-
Weather Cond -!M*+rx-Ec,-- Ert'l Amb. Temp.(prior to sampling eve firJ_3_-Q_
r"mp"m*" Ijl,'7Q.
Redox Potentiat (Eh)--3!l}----
Tu$idity . .ll .\ -
Surged-
(,
Timez |tnS Gal. Purged-?.2
Conductance l7lll
pn [.4(
,...{ .';
(Eh) :
Mill-GroundwatErDischargePermit Date: ll.17-06 Revision: I
Grouadwater Mooinoring
Quality Assurance PIan (QAP)
fu*iei*l-
Page4l of4l
Volumeof WaterPurged
Pumping Rale Catquletion
FlowBatE(Q), in8Pm.5160= =-J-
Number of casing volurues evacuated (if other than trvo)
ff well evacuated to drymess, number of gallons evacuated
Name of Certified Analytical Laboratory if Other Than Eneryy labs iltrq_
Time to evacuate two casing volumes (2V)
T=2YlQ= l'7 *i.t
Tvoe ofSaurple Saqple
Take+(cirdel
SipUeVo.Iume
(inilicate if other
Filtered
(cirde)
Precervative Added
(eircle)'ttii!i,4 snecified
helow)
VOCs N 3x40ml Y HCI. &t N
Nutrients N.l00ml Y60 HrSO, A) N
Ildawlfietals Y(N 250bt YN IINO. Y NAII Other Non-
Radiolosics
YOp 25Omt YN NoPreservative Addcd
GrossAlpha Y0p 1.m0ml YN HrSO, Y N
Other(specify)ON Samplevolune Ydp
If a preseivative is use{
SpecifyType and
Quantity of Preservative:
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Mill - Groundwater Discharge Penuit
Groundwater Monitoring
Quality Assurance PIan (QAP)
Datsl. 2.25.07 Revision: 2
Page 40 of4l
ATTAAIIMENT.,l
WXTNTE MtsSA TIRAMIJM M[LT,
FTEI,D I}ATA. \HORI$EIEET FOR GROUNI} WAT'ER
Description of SamplingEvent: .1.d lirl, Chl,rraitfl t)
Locarion (we*narne) TN \: e-ffi*gH, initiats/iannt
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DaE aud Time for Purging 4' g ' 0 t *A
Well PurgingEquip Used: &r*p or-bailer
-l t
Sampling Eve* (h larofctnr
pHBuffer7.0 1.0
Sampling(if dift"r"nr, ('/l'l {
Well Pump (if other than gewre\lart*-
Prev. Well Sampled in Sampling Ev erfi ly A ,
Specific cond,ur^""-Clff-rlufttost" WellDepth, I 3J. S
DeprhtoWarersef orePwstne-7/.-gJ-casingVolumenr;:'#ril,:&tfrrfi,
Conductrtnce (a pHof Water (av$ . .-
-Well WatcrTemP. (avg)
'[VeatherCond t rT - E:ct'lAmb.Temp.(priortosampling evenil ,ZZ'L
/ --qn b'il
con*rctan"" ifb/ .
t"*p".tu* . / ?. 55
-Redox Potenti il (Eh)
-[{-3--tuuiaity . -- //, ? Twbidity, !2-7
cona,rcanee-LlLf condu"^n 3'i5,0 -ps A.r-tl-l
-
pw [30
-temperatur" l#.75 - T"*p"ratur" /S' // -
Redoxpotent iatqti--fu{.-fi5- RedoxPotential An> I K7
-
r"*pr*t* ftf.'i(-
RedoxPotential (Eh) l7V
(:i
{, Ll q rf{*'b 6a
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MII - G'ouadwater Dilcharge Permit
Groundwater iVtronioring
Quality Assurarce Plan (QAP)Page(l of 4l
Turbidity-
Volume of WaterPurged lflh"nFietdPerarne.crs era$nrmre d, -:'-tr[
Pumnine Rflte Calculation
FlowRate (Q), ingpm.5/60= =- ' 33
Date: ll.17-06 Revision: I
Time to evacua0e two c.asiag volumes (2V)
T =ZVIQ= ?7.U ln^ i--- -
Number of casing volumes evacuated (if other than two) /, Z
If well evacuated to dryness, number of gallons evacuated 4.4 .
Name of Certified Analytical Laboratory if Other Than F-aergtabs r'J *
Tvoeof Samnle Samole
Taken
(circle)
SamdleVoIuEe
-
findieetsilother
E-IItered
(gircle)
Preservative Ad..d.e,4(ci$e)
ihtid as speciffed
below)
VOCs &tN 3x40 ml YN.|HCX.iN
Nutrients VN I0OEI YN'H,SO. lV N
HriawMetale YN 250hI YN HNO" Y NAll Other Non-
Radiolocics
YN 250mI YN NoPreservative Added
GrossAlohs YN 1.000 mI YN HaSOr- Y NOther(specify)
tu!.fanranni
VN Samplevolume YU
Ifa preservative is use4
Speci$Typcand
Quantity of Preselative:
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Mill - Groundwater Discharge Permit
Groundwater Monitoring
Quality Assurance Plan (QAP)
Specific Condu ct n"":!IZ----.:aNfrlAS bm
Depth to Water Before Prtgtng SS.--!L-
Date: 2.25 -M Revision: 2
Page40of 4l
ATT'A.C}IMENT 1
WTTITE MESA IIRANEUM MXLX,
E'IE[,D DATA TryOR.I$T{EET F'OR GROUND WA,TER
Description of Sampling Event: 3 e'\ Gt&,trto
-(,h
l.t c af*
Location (wettname) Tu1,: j{ ffiHnrinitiatq
Date and Time for Purging ? ,/ ar( lS.-and Sampling (rt drtterenil ? / /0 i 0 S-
Well Purging Equip Used: Xpump or -bailer Well Pump (if other than Berne1:htusLfr>
Sampling Evur t lit,, otrtrb ,ht*nat,.,,t ftev. Well Sampled in Sampting Event
pH Buffer 7.0 7,t
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Conductrince (avg) ^ pH of Water (ivgl
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r4pH----J--L)-'--
remperarureJi.dlL\ --_
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Well Dep*r /.:?7. f,
Casing Volume (y) +" Wetl: =13- ,sZ-(.OSgtt)
3" Well: - (.367h)
Well lffater Temp, (avC)-----*:-_Redox Potential (Eh)- -- Turbidity:
Weather Con a n{rr, $ ,S{o,i v ti Ext'l Amb. Temp.(prior to samp lineevenr4lAL2-
conctucrence lt{ (f 1(
Bedox Potentiar'Gn)--3 )0--Redox
Turbidity v.al Turbidity
Pureed
(.. "jj
(Eh)____\_(Eh)._____r :
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Mill - Groundw'ater Discharge Permit
Orormdwater l\Aordtodng
Quality Assurance Plun (QAP)
-+c6idit E:
Date: 11.17.06 Revision: I
Pap{Tof 4l
e*ieh-
Volumeof WaterPurged
PuEpine Rate Calculetion
FlowRate (Q), ingpm. r
S/@=
Number of casing volutues evacuated (if other than two)
If well evacuaterl to drlmess, number of gallons evacuated .
Name of Certified Analytical Laboratory if Other Than Eneryy Ltus a/u,r.F *
?ime to evacuate tw-o casing volumes (2V)
T=ZVIQ = lK *,;*
Tvue of Sarnrle Samntre
Taken
fcircle)
SrigUileVo,Iume
findicate if other
Filtdred
(circlel Pgrg5vative&lded
fuiTcle)
thriif os snecifred
below)
VOCs PN 3x40 url Y.H(r-2N
NuEients N.t00ml Y/HrSOe N
tr{eavs Metals Y dil 250ht YN HNO. Y NAll Other Non-
Rediolocics
YoP 250mI YN No Preservative Added
Gross Alpha Y 1.000 EI YN H,SO, Y N
Other (specify)6N Sample volume YdJ
Ba preservative is use{
SpecifyType and
Quantity of hreservative:
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Mill - Groundwater Discharge Permit
Groundwater Monitoriog
Quillity Assurance Plan (QAP)
Dats 2.25 -Ul Revision: 2
Page4Aof4l
ATTACHMEn{1rl
WT{ilTE MESA. URANIUM MX[,N,
FTEI,D DATA WORKSI{EET FOR, GROIJND WAT'ER
Description ofSamplingEvent: 324 ( Jer d&fq(oa t^
DateandTimeforPurging andSampling(AAircerent) lf ' /A'0 y' . -,
nBennet)jLrE--
SamptingEve * dlwoflif ra-- Prev.lVell Sampted in SamplingEve fi-$ L
pll of
RedoxPoisntial@h)-----Turbidity- ...
o
$tnutferT.o----7'0 pH Buffer4.Q t/. I
specific conduetanceq!7-u\tIrosrcm wetta.p* . ..VI' j3
DepthtowaterBefore nurstne 1()'LB casingvolume*lfr#;1:lfifll,
Conduc&ince (N$ '--
Well Watsr Te mP. {ave\-*-. -/
-
wearherCon A.d]Zr&t-h Ext'l Amb. Temp.(prior to sampling eve *l-2-4-'L-(.'
t-j;
Gal. Purged_2__
Redox Potenti ot (rl{22 {-
Redox Potential (Eh)-
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MilI-GroundwaterDischargePumit Date: 11.17.06 Revision: I
&oundwater Monitoring
Quality Ass urauce Plan (QAP)
Turbidity
Page(l af4t
---'-'turbl(Ifiy
-
.
Volurne of WaterPurged When Fietd Pararrcters are Measured-
Pumpine RAtE Calculation
FlowRate(Q), inEPm.Time to evacuate two casing volunes (2V)
5160 =T=2VlQ = *
Number of casing volumes evacuated (if other than two)
If well evacuated to dryness, number of gallons evacuated.---
Name of Cedficd Analytical Laboratory if Other Than Energy Labs.
TYpeof Sample sqmple
Token
(ctuiile)
Sririrrile Volume
(indicqtif other
Filtered
(circle)
Pmservative Adf,qd
feis!-e}
VOCs CH rt(Y) N
3x40ml Y{}P HCL (g2 N
Nurieuts l0Oml YlW Iroso, 6,/ N
Hiawilhtals YN 25O'oll YN HNO. Y NAll Other Nou-
Radiolosics
YN 250 ml YN No Prcsewative Added
GmssAlpha L\N 1.000 mI YN H,SO, Y N
Other(speci$)aN Sampldvolume YY @
If apreservative is used,
SpecifyType and
Quantity of heservative:
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Mill - Groundwater Discharge Perdt
Oroundwater Monitoring
Qualisy Assurance Plaa (QAP)
Conducttnce(uvg).-.- i1- pHofrWater
Date: 2.25.07 P,evision; 2
Paee40 af4l
ATTACHMtsNT 1
VffiIruE MtsSA URAMT]M MIT,E,
TIIET,D X}.{TA
Description of Sampling Event:
Sampler
Location(wellname) IA,i{-?A Nameudinitialq
n
Well Purging Equip Used: [pr*p or bailer Well Pump (if other than BerrretJ l^f ,
SamplingEve "r-ful Prev. Welt Sampled in SwnplingBvent.7fu &
arOpHBufferT.o r
-
plBuftura.O ' A:A-
Specific Conductance-ft2ulVftIos/c, W"lt O"ptn , 7
Depth to Water Before p*en& -)0- Casing Volume ff) a" Well:---(.653h)
3" Well: -
(.367h)*/-
Redo:q Potential (Eh)-r:Turbidity
Exg'l Amb. Temp.(prior to sampling even t'r*lfL
Time:-Gal. Purged-
coodu"w"r,,3701 -ow- [-4-
r"*p"*tu* //-57 -
RedorPotential(Eh) r/S- --r,*iaity 1.0 (f -
Gal. Purged Gal. Pureed
Conductance
(:iRedox Potential (Eh)
MII - Groundunter Discharge Permit Date: ll.l1 .06 Revision: I
Grcuodwater ldotrilcring
Qmlity Assurance Plau (QAP)Page{l of4l
e----'
Volune of Water Purged When Field Parameters are Measured_____H
Pumpine Rate Calculation
FlowRate (Q), ingpm. __-_-.Time to evacuate two,gasing+olumes (2V)5160= =.T=2VlQ=
Numbsr of casing volumes evacuated (if other than two) . -.. -
.
If welleyacuatpd to dryness, numberof gallonsevacuate.d ---
Namc of Certified Analytical Laboratory if Other Than Energy Labs_____ '_
Tvoeof Sannle Sqqole
Taken(cirele)
SpndleVqlqELe(indicaisif other
Filtere{
(Sircle)
Prcsersative Adde-4
(eifcte)
ihtiii as spc.cifreil
helowl
YOCs (J) N 3x40ml v 6I'HCL -Ii: N
Nulrients ff)N l00lrt YAT ILSOr V N
HiawMetals YN 250inl YN IINO" Y NAll Other Non-
Radiolosics
YN 250mI
t
YN NoPreservative Added
GrossAlphs YN 1-000 mI Y Nr H,SO, . Y N
Other(speci$)
brrrnlfrrrn^
UN Samplevoluue YN/
If apresewative is use4
SpeciffTypeand
Quantity of PreservativE:
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Mill - Groundwater Discharge Permit
Groundwater Monitoring
Qualily Assurance Plan (QAP)
(
Date: 2.25.07 Revision: 2
Page 40 of 4l
AT'E'A,C.EMEIqT 1
WI{NTE MESA I.IRAMT]M MI[,L
E'[EN,D DAT'A \MORN$HEET F'OR GTiO{IND WATER
Description ofSamplingEvent: 3 e'l O,rugrrlt . - Lh luco.oe,,--
(-'
Sampler
Location (well name) Tw.:t- }.l Name and initials 'Ttt,tnra I
Well Pump (if other than Beme$thauiL&s
Plev. Well Samplerl in Sampting Event-tl'i -c
Weather Cond. (J rr..a corsl, R,.in Exf I Amb. Temp.(prior to sampling event)-l-5i.s-:-
Dare and Time forPrugine !Ji/.X&-and Sampling (it differenq ? / /0,i 0 g *
WellPurging
SamplingEve
Equip Use&Xpump or-bailer
pHBuffer7.0 p[Butrer 4.0----fu!/
Specific Conductance-ZZZ-tMHoS/cm Well Depth , .tAL -
Depth to Water Before Purgrng--6-O5l- Casing Volume ,rrf ,ffir,tt,*\.!:;il1,
Conductdnce (avg)-pH of Water
WettWaterTemp.(avg)-' RedoxPotential(Eh)-Turbidity-
Tinc: , Gal. Purged-
Conductarce 500J
Temperarure - 15 7A
-
Redox Potentiat (Eh)-*Q tj--
2,8
Purged-
( l';(Etr)------\--
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Mill-GrouadwaterDischargePermit Dare: 11.17.06 Revision: I
&oundwafer Monitoring
Quality Assurance PIau (QAP)Paee4l of4l
Rr$idisr-
Volumeof WaterPuged
PuHrine RatE 9gtculption
FlowRate(Q), ingpm.5/60= =-6 Time to evacuate two casing volumes (2V)T=2V|Q= lti.. t"rin
Number of casing volurnes evacuated (if other than two)___----_________ al
If well evacuated lo drlmess, numberof gallons eyacuated ruln _
Name of Certified Analytieal Laboratory if Other Than F.irlerey LLbs_-&,tNt
Tvse ofSanrple Saqole
TukeU(circle)
Sanrile Volumen"ffiffiil;4i!lered(circlql Preservative Added
(clrele)
ihgiisq rpecified
belorr)
voG N 3x40 ntl Y,HCI, &I N
Nurientt N.1008I Yi H,SO, U) N
HeawMetals Y di,250hl YN HNG YNAll Other Non-
Rdioloeics
Y6p 250mI YN NoPreservative Added
Gross Aloha Y(M 1.000mI YN HrSO, Y N
Other(speciff)6N Samplevolume Ydp
Ifa preservative is used,
SpeciffType and
Quaatity of Preservative:
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Mill - Groundvnter Discharge Permit
Groundwater Monioring
Quality Assurance PIan (QAP)
(
Date: 2.25.07 Revision: 2
Page40of 4l
AISIACIIMENT I
WETITE MESA IJRANIT]M MN[,L
F'IELD DAT'A WORKSI{EET'F'OR GROUND WATBR
Descriptionof SamplingEvent: .3e'\ O,raarro (ihlo.co:'o'a,* --- --
Sampler
Werither Cond. 1 tourl,A . - Ext'l Amb. Temp.(prior to sampling event)-l6oc,
onnrtrrcrance t{6 t O
pn - 7.o3 -t"mp".utore t5 .)1
-
Redox Potential (Eh)-*-3}}_-
7.s).
Jurged_---
Redox
Turbidity
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Location(wellname) -- -f..W-{:-af
-
Nameandinitials
DareandTimeforPurging ? / nr'I K undSampling (rtditfercnil ? /l0 /0 B
Well Purging EquiP Used:Xpump or-bailer Well Pump (if other than Bewrct\LtltsaLfn t
Prev.lMell Sampled in SamplingEvent T\Jt{' to
.?. opHBuffer4.0
Specific eonductance 4? V -ultlROslem
Depth 0o Water Before Puqgln&55-q?-
Conducfirnce (avg)-
Well WaterTemP. (avg)-
well Depth , I 15
-CasingVolume (V)4" Well: 38-5?. G653h)
3" Well: .-ruza (.367h)
pHof Wuiter
Redox Potential (Eh)-Turbidity
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MII-GroundwaterDischargePermit Date: 11.17.06 Revision: I
CroundwaterMonihring
Qualifl Assurance Plan (QAP)Page4t of 4l
fe$idilk_
Volumeof WaterPurged
Pumpins,Ratc Calculation
Flow Rate (Q), in gPm.5/60= =-J Time to ev&cuate two casing volurres (2V)
T=ZVIQ= l1 Ptin
Numberofcasingvolumesevacuated(ifotherthantwo) . +.r/A
If well evacuated to dryness, number of gallon s evacuntsd N / tA
Name of Certified Analytical Laborfltory if Other Thau Eaergy l-tbs. a/we
Tvoe of Sample Samnle
Tskqg(circld'
S,qpileVqlump(inrlicate if other
f,'lltered
Gircle)
Pre$grqative Added
(ctrde)
llrtiii ap specifie4
betow)
VOCs N 3x40 nl Y.HCI, &' N
Nutiefis N.l0OEl YrM H,SO, V) N
Iltisw nfietals YGI 250iiil YN INO. Y NAll Other Non-
RadioloEics
Y@ 250mI YN No Preservative Added
GrossAloha Y6D 1.000 mI YN HrSO, Y NODNSampldvolumecyr
If r prcservative is used,
SpecifyTypeand
Quantity of Preservative:
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&Iill - Groundwater Discharge Perait
Groundwater Monitoring
Quality Assurance Plan (QAP)
Location (well namefi:hl-ll:l 3
Datei 2.25.07 Revision: 2
Page40af 4l
ATTA,CHMEUIT I
WIflT'E MESA. I.IR,AMUM MILE,
EIEI,D DATA UTORKSIIEET FOR GROIJND WA,TER
Description of Sampling Event: 3 e'\ Ork,arra - Lh lacofo..a,'n.- -
Sampler
pH LJ6
-
Temperature lq -OLl -
Redox Potentisl (Eh)---!7L-
DateandTime torPwgaag-rl ,/ 1/ lK andSampling (rf drtferen| ?/H/0 S
tJt/ell Purging
SamplingEve
EquipUse&Xpump or-bailer
pEBuffer7.0 pHBuffer4.0 4.a
Specificconducrance*fl2-TMHOslcm WellDepth 123 3
Depth to water Before P,xstnLJ.4-fi- casins votume *lf #l:*!Hll,
Conductrtnce(avg) --:-pHofWater(avg) -
Well WaterTemP. (avg)RedoxPotential (Eh)- -Turbidity ".-
Ext'l Amb. Temp.(prior to sampling even0-/Sk-
f irc:JSZ,_Z-_Gal. Purged_30__
condo"tance 35(A-
ls.2
Pureed
Wetl Pump (if otherthan Bennellz*n l fas
Prev. Well Sampted in SamplingEven*Jc:/:l L
! ':r
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Mitl-GroundwaterDischargePermit Dats Ll.l7-05 Revision: I
Groundwater lt4onitoring
Quality Assurance Plan (QAP)
rt*i*iq-
PageAl ot4l
Volume of Water Purged $&/
Bumpine -Rate Calculation
FlowRate (Q), iugPm.
d
Time io evacuats two easing volumes (2V)5/60= -T=ZYIQ= l2 w,i*
Number of casing volumes evacuated (if other thar two) -
If well evacuated to dr5mess, number of gatlons evacuated
Name of Certified Analyticel Laboratory if Other Than Energy Labq
lVne of Samole Samole
Taken
fcirde)
Sririnrils Volumq
finrlicate if other
Eilteted
(cirdel Preservative Aelded
(df-qt4
voG N 3x4Oml Y HCXL & N
Nutrients N.l0Oml Y H^SO{ V) N
tftiawMetals Yff 250ift YN IINO. Y NAII Other Non-
Rrdiolocics
Y6p 250ml YN NoPreservative Added
GrossAloha Y lI\D 1.000 ml YN HrSOd Y N
other(qpecin ODN Sampldvolume Y dI')
ffapreservative is used
SpecifyTlpe and
Quantity of Beservative:
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Mill - Groundwater Discharge Ferrnit
Groundwaler Monitoriog
Quality Assurance Plan (QAP)
Date:- 2.25.07 Revision: 2
Page 40 of4l
DaEandTimeforPurging cl /'?/iJ{ und Sampling (rtditrerenq 3-/ /0 / 0 S,
WellPurgingEquipUsed Xpumpor bailer
ATTACHMENT 1
WEUTE MESA URANMUM MIN-L
EIELDDA,TA rOR GROUIqD WATER
Description of SamPling
Location (wellname) Tt4f - ? L/ Nameandinitial$.
samplingEventJi
pHBufferT'0.pHBuffer4 o 4.a
Specific Conductancc*ZZZ-uMHOslcm
Depth to Water Before Purging -56 -(q-
weltDeprh,. /2 2
-
Conduetance (avg)-
Casing Volume (Y) 4" Wefi:-W. tA (653h)
3" Wett: .(.367h)
pH of,Writer (irvg) .-
Redox Potential (Eh)-Turbidity
-
Wetl WaterTemP. (avg)-
Weather Cond.- Ext'l Amb. Temp.(prior to sampling event)----- ' :-
pH. 0.q0
-,r*p"** Itt*17 .
Redox Potentiat'Ch)-343-
tr*iaitv 5.7I
Pureed
Well Pump (if otherthan Bennet)-(t,un,'l fis
Prev. lVell Samplerl in Sampling Ev ent-fu-!/: 7
T
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Sampler
Gh)..-- -.
-
Mill-GroundwaterDischaryePermit Date: 1i.17.06 Revision: I
ns$idiq-
Time to evacuate
T =?YlQ=
Page(l of 4l
VolurneofWarerPurgedffid,t ? .-
Pumpi+F Rate Calculation
FlowRate (Q), ineprn
5/60 =
Number of casing volumes evacuated (if other than two)
If well evacuated to dryness, number of gallons evacuate.d
Name of Certified Analytical Laboratory if Oftrer firan Esergy Labs--y'ytilE
t rii*i*lurtes (2v)
Groundwater Moaitoring
Quality .Assurance Ptan (QAP)
Tvne of Sample Samule
Taken
(cirrle)
SaiinileVolume
Gndicateif othe-t
FiltsEqf,
(circle)
Presersrtive Added
(clrcle)
4rtiii_. ri soecifred
halowl
VOCs N 3x4O url Y.HC[,2N
Nutrienfs N fOOml Y HrSOa tr/ N
EdawlVtretals Y0iT 2s0ht YN HNO, Y N
All Other Non-
Radioloeics
Y6p 25Oml YN NoPreservative Added
GrossAlohn Y 1,00081 YN TLSO, Y N
Other (speciff)ON Samplevolume YCI$
If apreservative is used,
SpecifyTlpe and
Quantity of Preservative:
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Mill - Groundwater Discharge Permit
Groundwater Modtorirg
Quality Assurance Plan (QAP)
Date: 2.25.07 .Revision: 2
Page40of.4l
Arrac4MENT r
WIIITE MESA URAMT]M MILL
FIELD DATA ?SORI$IIEETFOR GIIOI.IND WATER
Description ofSamplingEvent: 13 e'\ Ataarro, Lh lqco"t eyx-
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Well Purging
Sampling Eve
Date andTime totVurgag q / 1/ 4 K and Sampling (it ditterenil I / /fi i 0 S,
Equip Used:,[pump or
-bailer
\ilell Pump (if other than Beme\-lhiatilJfu
Prev. Well Sampled in Wpf*egventtg/tL "
pIIBuffer ?.0.
Specific Conductance /i 7 7 ulvtrIos/cm Wetl Dep*r----- -'l$ ' / S
WeatherCond.li2s:
Depth to Water Before Purgrng--S4.J.-g- Casing volume (v) 4" wdlfi d 0. 3 g (653h)
3" Welt: ,(.367h)
Conductance (avg) ^r,t* pH of Water (avg) ar n _-.-
Well WaterTemp. (avg)---:z-a- Redox Potential (Eh)zz4-Turbidity *t i4
Ext'l Amb. Ternp.(prior to sampling cve nt)-12-'l '-
Conductance )$3N
pH----Lll
,"**rur*. ,5 ?" -
RedoxPotential(Eh)--954.-- Redox
3. 01\
Pursed
(.'
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MII-GrouudwaterDischargePermit Dars LL.fi.A6 Revisiorr t
Groundwater Monitoring
Quality Assurance Plan (QAP)
n*i*it-
Page4l of4l
Volume of lVaterPurged
PumBinE Rate Calc.ulation
FlowRate(Q), ingpm.
316O= =-6
Number of casing volumes cvacuated (if other thao two) ^,, ^ _
If well evacuated to dryness, number of gallons evacueted .. az,r.
Name of Certified Aualytical Laboratory if Other Than Energy Labq
Time to eyacuate two casing volumes (2V)
T=2VlQ = -2/) *'.^,
TVue of Samnle SamuIc
TSken(eirctcl
Situile.Yqlq+m
(indieateif other
4llered(cirgle)
Predgryative Added
(cifcle)
ihdii as speciffed
below)
vocb AN 3x40ml Y HC[, M N
Nutrients g,N.l(X)ml Y60 H,Sor g) N
llCawMetals Y diT 25Afu,t YN HNO. Y NAII Other Non-
Radioloeics
Y@ 250ml YN No Preservative Added
Gross Aloha Y6D 1.000mI YN HrSO, Y NODNSamplevolumeY&)
If a prcservative is used,
SpeciffType and
Quantity of Preservative:
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Mill - Groundwater Discharge Pennit
Oroundwater Monitoring
Quality Assurance Plan (QAP)
Date:. 2.25.M Rpvision: 2
Page CI of4l
ATTACTIMEI{TT
WHITE MESA T'RAMUM MILL
S'IELD DATA WORI$TTEET FOR GROUND WATEIT
Description of SamplingEvent: 3 tul (lo'il- €Llrtr'rue,n
WellDepth . N,/ 0
CasingVolume (V)4" Well: ., -, (.653h)
3"Well: -- (.367h)
pHofWater(avg).
-RedoxPoiential(Eh)--Srbidity .
(j'
Locarion (wennane) filN 6/) - iH*, iwtiatsil,a,tn tl. { {4-*^ !o/*r<
Date and Time for Purging I / g f 0 {*and Sampling (if diffennt)- ...,
Well Purging Equip Use& Jump or -bailer Well Pump (if other thanBenneilJUitA
-
sampting n.*-}ryo\-Lh-Prev. Well Sampled in SamplingEvefi-Ud
pHBuffer ?pH Buffer4.O"qo
Specific Coaducrarr;e-f4f-tiltfrI}S t cm
Depth to WaterBefore Purgtne N/ A
Conductance (avg)
-.-
Well WaterTemP. (avg)--. -. -
conductance . 6Llq
pH s.6-o_
remperature iq.q8
Redox Potential (Eh)-35-
rurbidiry 0.0
WeatherCond.dl'lrr.Sunrt'klr\Ext'lAmb.Temp.(priortosamplingevent)-- 'j-
x"dr.7Knt Redox Potential (Eh)-
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MII - GroundwaterDischarge Permit
Groundwater Moaibring
Quality Assurance Plau (QAP)
Turbidity
Dare: 11.17.06 Revision: I
Page{l of 4l
Turbidity .. --1- -
VoluneoflVaterPurgedWhenFieldParameters arcMeasurcd. /{/ H
Purnpins Rate Calculation
FlowRate (Q), ingpm.?ime to evacuafe two casing volumes (2Y)
5/60 =T =ZVte=
Number of casing volumes evacualed (if other than two) ,.-
-If well evacuated to dqmess, number of gallom evacuate.d
-'
_
Name of Certified Aoalytical Laboratory if Other Thaa Energy Labq
D. z- E l^^ t(
Tvreof Sapple Sample
TaBeg
(circte)
Filtered
(circle)
Preservative Added
(citde)
thriii as sp€ciEg!
VOCs 7N 3x40ml Y.HCL /-N
Nutrieats 2N f00El Y6P HrSo./N
HtiawMetals Y ds)250hl YN IINO. Y NAll Other Non-
Radiolocics
YS 25Oml YN NoPreservative Added
Gross Alphs Y IrT,l.000ml YN H,SO, Y N
Ottnr(specffi)
/rr*r,rr frurq*ui,.
PN Samplevolume YoY
If a preservative is used
SpecifyTypoand
Quan$fy of Prcservative:
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Mill .. Groundwater Discharge Perrnit
Oroundwater Monitoring
Quality Assurance Plan (QAP)
I
Date: 2.25 -07 Revision: 2
Page4A af4l
ATTACHMENT I
WIIITE MFSA TIRANITJM MILL
FIEI,D DATA WORKSITEETFOR GROUND WATER,
Description of Sampling Evefi: SaA (');,,Ttl €14/a
Locarion (wettname) lhbl {,i
-itl*3il,
inittats-{u
Date and Time for Purging
Well PurgingEquiP Use&
SamplingEve nt-e'agdtr
pHBufferT'0
q' f h y and Sampling (if ditterenl At A -
_pump or_bailer Well Pump (if other than g*nn"D-{--
Prev. Well Sampled in Sampling Event:--
Specific Conducranc.*!{!-uMHoS/cm wettoepldn , / fr.
WeatherCond flo,o\, {^J*rt,uv-- . . Ext'lAmb.Temp.(priortosamplingeventlSZ.'L
Time: ., Gal.Purged ._.-
c*a*w" f . {-
Redox Potential
' <') -4 .-fEh) < rD
Turbidity /d)c /C)Turbidity
Depth to WaterBeforePurgrng-*- -- Casing Volume (V) 4" Well: ,' (.653h)
3" Well:. f -(.367h)
Conductance tavgl -- pHof Water (avg) , .,. -
WeltWaterTe*p.(urg)----- RedoxPotential(Eh)-: Turbidity--
(. '
Temwaturefu
/
Redox Potdntial (Eh)
ltil^l I s {,;,t,-c
Redox Potential (Eh)-
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Mill - Groundwater Discharge Permit
GroundwaterMonimring
Quality Assurance Plan (QAP)
Datre: 11.17.06 Revision: I
Page 4l of4l
Trlrbidity Turbidity
Volume of Water Purged When Field Parameters are Measured_
Pumring Rate Cglc.$lation
Flow Rate (Q), in gpm. Time to evacuate two casi4g volumes (2V)
^r/^ r'-F-5/60= = _- T=2VIQ= .... -:
Number of casing volumes evacuated (if other tt * t*o) '-..
If well evacuated to dryness, number of gallons evucuate.d -/ _*
Irlame of Certified Analytical Laboratory if OtherThan Bnergy
Tvng of SamPle Satlgole
Takgn
(circle)
SiihdeVqtuue
0ndicateif othcr
Filtered
(circle)
Presggntiv-q4.ddg{
(ciycle)
thii4 nsSqeciffed
below)
VOCs N 3x40ml YN}HCL & N
Nuhients N l0Omt Y H,SO, N N
Hriawtrfetals YN 250int YN IINO. Y NAU Other Non-
Radiolosios
YN 250mI YN No Preservative Added
GrossAlpha YN 1,000 rnl YN.HrSOai Y N
Other (speciS)VN Samplcvolume Yg U
If a preservative is use(
SpecifyTypeand
Quantiry of Preservative:
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MiU - Groundwater Discharge Permit
Groundwater Moniloring
Quality Assumnce Plan (QAP)
Date: 2.25 -07 Revision: 2
Page{Sof 4l
ATTACIIMENTI
WHITE MESA URAMUM MIT,N,
E IE[,D DA.TA WORT(ST{EET FOR GROTIND WATER
Description of SamptingEvew: .3n A Q,a,ot( . ih h;b'ru{l
Samoler
Locarion (wettnarw) fN4' lr€ * i,H'#. initirt . f./t Z--(.
Dafe andTime forPurging and Sampling (if different)-
Well Purging Equip Use& --Sump or
-bailer
Well Purnp (if other than Bennet)-
SamplingEvent Prev. Well Sampled in SamplingBveft*
pH Buffer4.0 ' :
Specific Conductance--UMHOS/cm
Depth to WaterBefore Purgrng__
rflell Depth-
Conduotrtnce (avg)-
Casing Volume (V) 4" Well: (.653h)
3" Well: (.367h)
pHof Writer(avg)-
Redox Potential (Eh)-Turbidity
-
Well WaterTemP. (avg)-
WeatherCond Ext'l Amb. Temp.(prior to sampling event)---------' '-
Tirne: . -Gal.Purged ..-,
Conductaote-
RedoxPotential (Eh)-
Turbidity-
Time'. ,, ... Gal. Purged--------------,
Conductance
PH
Temoerahrre
Redox Potential (Eh)-
Turbidity
pH
Temperatllte-
Time:- Cal.Purged-
Conductance-
pH
Temperature-
Redox Potential (Eh)-
Time:- Gal- Purged-
Conductance -
Redox Potential (Eh)-
D.,g 1**{, / Tal
f ..;q->
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MII - Gtouadwarcr Discharge Fermit
&oundwaterMonitoring
Qualiy Assurance Plau (QAP)
Dare; 11.17.06 Revisioa: I
Page4l of4l
Volume of Water Purged When Field Parameters am Measured
Puqpine Blt€ Calculation
FlowRate (Q), inpm'Time to evacuate two ca.ring volumas (2V)
5/60= -T --ZYIQ=
Number of casing volumes evacuated (if other than two)
B well evasusted to dryness, uurnber of gallons evacuated
Name of Certified Analytical Laboratory if Other Than Energy Labs.
D^St/,;J, { Tr'tq-}
Tvpo of SamPle Sqmple
Tuleu
(circle)
SaiiuilgVolume
(tndicate if other
Elfered(gro14
Preservative Added
(cir,de)
'thiiil ai specified
below)
VOCs YN 3x40ml Y. N HCI, Y N
Nutrients YN l0Oml YN H"SO, Y N
Hiawtrfict ls YN 250hI YN HNO. Y N
All Other Non-
Radiolopics
YN 25Oml YN No Preservative Added
GrossAlpha YN 1-m0ml YN H,SO. Y N
Other (specifY)YN Sampldvolume YN
lf a preservative is use4
SpecrfyTyp" and
Quantity of Preservative :
Commpnts
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Mill - C'roundwater Discharge Permit
Groundwate'r Monitoring
Quality Assurance Plan (QAP)
Date: 2.25.A7 Revision: 2
Page 40 of4l
ATTACHMts-SI I
WIf,TT'E MF"SA EIRAIT{IT,IM M[N,L
F'IET,D DATA WORX(SEMET FT}B,GROI'ND WAT'ER
Description of Sampling Eve nt: ? {'(
. 6 f ,,i e.E i: {A/r ro ft L,*
Location (wettnamq Vtil L: Vd-
Date and Time forPurging and Sampling (if different)
Well Purging Equip Used:
-pump or
-bailer
Well Pump (if other than Bennet)-
Prev. \Mell Sampled in SamplingEvenSampling Bvent
pHBuffer7.0 pHBuffer4.O
Specific Conductance-uMHoSlcm Well Deoth--
DepthtoWaterBeforePurgina-- CasingVolume(V)4'Well: (.653h)
3" Well: (.367h)
Conducftince (avg)-
lVell lVater TemP. (avd-Redox Potentiat (Eh)-Tu6idity
-WeatherCond Ert'l Amb. Temp.(prior to sampling evenO---:j-
Sampler
Name and initials
Time:-Gal.Purged
Conductance-
Time: . Gsl. Pursed
Conductance - _ .
Redox Potential (Eh)
pH
TemBeratufe
Redox Potential (Eh)-
Turbidity-
Time:-Gal. Purged -
Conductance-
Redox Potential (Eh)-
Time:- Gal. Purgdd
(lnnductance
pH
Temperature-
Redox Potential (Eh)-(:i
Dql,,"*l { 1-Nq-t?
PageAl af41
Vohune of lVater Purged ll/hen Field Parameters are Measured-
Pumping Rate Calculatioq
FlowRate (Q), ingpm.Time to evacuats two casi4g volunes (2V)
5/60=T =ZYIQ=
Number of casing volumes evacuated (if other than two).
If well evacuated to dryness, number of gallons eyacuated
Name of Certified Analytical Laboratory if Other Than Energy Labs.
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Mill - Groundwater Discharge Permit
Gmuodwater lVtroaitoriag
Quality .Assurance Plan (QAP)
Darq 11.17.06 Revision: i
TYpeof S,amrle Samole
Taken
(circlel.
Sriiir{leVqlume
(indiqteifother
f iiltered
(cif,cle)
Prcservative Adtled
(glTcle)
t4fiil,ai sueei$g{
helow)
vocb YN 3x40ml YN H(x, YN
Nutrients YN t00ml YN H,SO, Y N
Hiavv Metals YN 250ht YN HNO* Y NAll Other Non'
Radiolosics
YN 250 rnl YN NoPreservative Added
CirogsAlpha YN l.000mI YN H,SO, Y N
O&er (specifY)YN Samplevolumo YN
Ifa praservative is use{
Speciff?ype aod
Quaotity of Preservative:
D,+ l,;,h f[^rrl-17
Commests
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Mill - Groundwater Discharge Pennit
Groufldwater Monitorirrg
Quality Assurance Plan (QAP)
Date: 2.25 -07 Revision: 2
Page 40 of4l
AT',TACI{nryDNTl
IryEfl[T'E MESA {'RANIIJM MNL[,
F'XE[,D DAT'A WOITKSXMET,EOR GROUND WATER
Description of SamplingEvent: 3I! f,tt,r,,,ri,?. { ltlrfip
Samoler
Location (wetlnarw) fl,tttl:73 ffi:,L, inti*sfaarrn f]. I 4.,^ Akri-
Dareandrime to.Plrgin1 L4/'I Y and
Well Purging Equip Use* --pump or
-bailer
Well Pump (if othe r thankenne|--fu 4--
pHBufferT.Q v_o
Prev. Well Sampled in Sampling Even2lif*
pH Buffer4.o. -. - - Y. d .
WellDepth, /4 -
CasingVolume(V)4"Well:,.f .. (.653h)
Specific Cond ucurffie-lq ? -tlirfl\Qstcm
Depth to Water Before Purgrng--d4--
Conductdnce(avg) -T" -
3,, Welt: __ - (.367h)
pHofWater(avg). - ,
WellWaterTemp.(xv1\--a- RedoxPotentialtgh) * t*Uidity-
Ito
WeatherCond 4U, 9, L,' t't - Ext'l Amb. Temp.(prior to samplingeven rl22b-
Time: . Gal. Purged-
CnnducWce-LA.--Q
pw s.6 *
Temperaure 2.S. Z9 *Temperature.
Redox Potent iat @h)-lfu-Redox Potentiat
rurbidity 4, d -
(i
sampling er"il fieIElyJ/L
Redox Potential
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Mill - Grouadwater Discharge Permit
Groundwater l\4onitoring
QualiSy Assurance PIan (QAP)
Date: 11.17.06 Revision: I
Page(l of4l
Pumping Rale egkulation
Flow Rate (Q), in gPm. /5/60= = b Time to evecuate
T=2VlQ =
r/4
Volurne of WaterPuged When FieldParameters areMeasured_ :-
Numberof casing volumes evacuated (if otherthan two) -]-
If well evacuaM to dryness, uumber of gallom evacuated "-: .
Name of Cenified Analytical Laboratory if Other Than Energy Labs___==-
*SrJv /,,?
two casing volumes (2V)
ntA
TYue of Sample Sqmplq
Talren
(circle)
$i,iir[teVo,tqmg(indicate if other
Sllered
fd.",[eJ
PreserJative Added(cirrJe)
t&dii ai peeciffed
below)
VOCs UN 3x40 ml Y,V H(x-N
Nutrients UN l00ml Y!P HrSo./N
EdawMetals YN 250iht YN IINO. Y NAll Other Non-
Radiolosics
YN 250mI YN No Preservative Added
GrossAlpha YN l.000ml YN H,SOa Y N
Other(spectfy)
Lrrrr^|fi*ri,
FSN Samplevolune Yd
ffa preservative is use4
SpecifyType and
Quntity of Preservative:
{t
o&, 1,,r,-,so,.fu ,/, /ttnq e T,v, I - s ,JzL N./b sb
To be hansmitted separately to UDEQ l2-1-08
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Quarterly Depth Summary
3rd Quarter 2008
DATE DEPTHWELL
MW-1
MW-2
MW-3
MW-3A
MW.4
MW-5
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-26
MW-27
MW.28
MW-29
MW-30
MW.31
MW-32
PIEZ.1
PtEZ-z
PtEZ-3
PtEZ-4
PIEZ-'
8112t2008
812612008
811212008
8t12t2008
811812008
8111t2008
81512008
8111t2008
81612008
8t12t2008
8t12t2008
8113t2008
8t13t2008
811112008
8t11t2008
81512008
8/6/2008
81412008
8112t2008
8/6/2008
8t6t2008
8t5t2008
814t2008
8t4t2008
8t512008
7t8t2008
718t2008
7t812008
718t2008
71812008
66.93
109.63
83.37
85.38
72.53
106.70
91.43
108.50
104.23
106.57
77.79
71.90
55.77
80.42
67.43
114.20
114.99
76.83
84.51
51.98
78.43
103.14
78.15
70.46
77.00
63.69
15.01
31.72
52.34
47.31
WELL
MW4
TW4.1
TW4-2
TW4-3
TW4-4
TW4-5
TW4.6
TW4-7
TW4-B
TW4-9
TW4-10
TW4-11
TW4-12
TW4-13
TW4-14
TW4-15
TW4-16
TW4-17
TW4-18
TW4-19
TW4-20
TW4-21
TW4-22
TW4-23
TW4-24
TW4-25
DATE DEPTH
812612008 71.97
812612008 61.75
812612008 69.43
812612008 47.68
8126t2008 64.25
812612008 54.25
8126t2008 72.88
812612008 68.73
8t26t2008 68.90
8t26t2008 52.36
8t26t2008 54.77
8126t2008 61.55
8t26t2008 36.88
812612008 49.53
8t26t2008 89.76
8126t2008 79.63
8126t2008 64.70
812612008 76.82
812612008 s4.98
8126t2008 89.988t26t2008 89.89
812612008 59.43
812612008 56.00
812612008 67.69
8126t2008 56.498t26t2008 50.74
I I I I I I I
w,/0.(r()) /?i
'..-U, \\t-)Er@\tu f .
=,/t
)/
LCI
l[ \
\\
ll\\\
//
tt//// -:,?'
.+,
tl
tl
\\
\\\
N
A
I
+
38S'-
\\\\
0 3000
SCATE IN FEET
EXPLANATTON
rw-22 ,/as4so //////,//.//////,//////psrchcd monitofllre ws[ shos,rng
s46o obvltion h fo€t amsl
temporery perdn<l nrcnitoring wefi(J 5s55 srrowing ebvation in bet amd NOTES: Locations and elevations for TW4-23,TW4-24, and TW4-25 are approximatePtEz-1 perc-hedpiezometersfltring3 s592 dev|tbn in hcl aruBlMW-31 perched monitoring well inetalled April,
{> ssao rhryirE ebvatkrn in ,6ot ilnsl
. temporary perched monitodng woll installedQ ssze &rii, ZOOS'atrowir€ elevation-in lect amd
lri --.^ temporary perched monitoring well instalkAl cccu May, 2(X)7 ehowing apgoxlmate elevation
q
P|EZ.t.5606
\\
\\
il
il
l/
-^ll
ll
1l
;l
1l
gl
1l
ii sz
1l
pl
1l
1l
;l
gl
1l
;l
gl
KRIGED 3rd QUARTER, 2008 WATER LEVELS
WHITE MESA SITE
HYDRO
GEO
CHEM,INC.
II TTIIIIIIII
r I I I I I I
(r--
/ 1 /=-
EXPL/ANATlOll
-.
;'r"s j." l "
-".tirnapo captuo zonei : j i bou{arV.strcamtubes
NOTES: MW-4, MW-26, TW4-19, and TW4-20 are pum$ng wo$s
Nl
I+
---l0 r50 3m
SCALE IN FEET
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White Mesa Temporary Well (4-22) Over Time
Date Of Measurement
szeeae 'rr% "rr% 'rr%, 1r?sro> 4, %na 'r% %n*2,^.an%
30.00
40.00
50.00
11000
120.00
White Mesa Temporary Well (4-21) Over Time
Date Of Measurornent
L-
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White Mesa Temporary Well (4-20) Over Time
Date Of MeasurenEnt
%u <,eero6 4" %"^ ',rU,, <,esro> 'ono,'orrn", uesr% <,eoao '%
30.00
40.00
50.00
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White Mesa Temporary Well (a-19) Over Time
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White Mesa Temporary Well (4-18) Over Time
Date Of Measurerent
40.00
50.00
60.00
L
E.:o 70.00
o
6
=o a000
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90.00
100.00
't 10.00
120.00
e'-uo!'eu,*%ur*uo!'eu^"'-uo%rol",*or%ro"%uo!"+o!+uru%rof,4ru%t"r%qo'r2'z*r*e^ue^
White Mesa Temporary Well (4-17) (MW-32) Over Time
Date Of Measurement
40.00
50.00
00.00
r
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-=s 70.00
@
G3
I 80.00
qoo
90.00
100.00
110.00
120.OO
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White Mesa Temporary Well (4-16) Over Time
Date Of Measurerent
%*o!'rruror'rr%r%uro!,rru,*'rru"o*ru"J,rrt q"rt o"ur.aireuor%ua*earol?ea^,rea"reeero'r%e-*eq* ee*
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40.oo
50 00
100.00
11000
^ 40.00&
=-=;€ oo.oo3
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White Mesa Temporay Well 4-15 Over Time
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White Mesa Temporary Well (4-14) Over Time
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White Mesa Temporary Well (4-13) Over Time
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White Mesa Temporary Well (a-12) Over Time
Date Of Measurement
L 50.00
E:
o6 60.00
Bo
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80.00
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White Mesa Temporary Well (a-1 1) Over Time
Date Of Measurerent
%"%t%'%,%t%,%t%t%,%r%t%,%"%t%,,r,+",%rn%r,%"%t%
White Mesa Temporary Well (a-10) Over Time
Date Of Measurernent
'%"%t%'%"%"%'%'%"%'%"%t%'%"%"%rto",""rrto'%"%"%
White Mesa Temporary Well (4-9) Over Time
Date Of Measurement
54
56
&Esa
.=E
660
=o
;, a2oo
64
66
68
70
'%o{neo,!oei/oeo,/;o,!,eJ,/;o,!,e.
White Mesa Mill Temporary Well (4-8) Water Level Over Time
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White Mesa Mill Temporary Well (4-7) Water Level Over Time
Date of Measurement
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White Mesa MillTemporary Well(4-O) Water Level OverTime
Date of Measurement
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50.00
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100.00
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White Mesa Mill Temporary Well (4-5) Water Level Over Time
Date of Measuaement
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White Mesa Mill Temporary Well (4-4) Water Level Over Time
Oate of Measurement
%o*neo*'eoofooleco,'ao{eo{+*'eof+*%o{+;)e"n1e*'eo{'+{+*'eof+*%oo!+r}ar!eu"!eo*%o}ao*
50.00
70.00
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100.00
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120.00
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White Mesa Mill Temporary Well (4-3) Water Level Over Time
I
40.00
r 70.00
=.}€
o6 80.00
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Whit€ Mesa Mill Temporary Well (4-2) Water Level Over Time
Oate of Measurerent
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60.00
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White Mesa Mill Temporary Well (4-1) Water Level Oyer Time
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White Mesa Monitor Well 4 Depth Over Time
Date
70.00
G
=i ao.oog
o
6
=o; so.oo
q
@ct
100.00
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Date of Sample CHCI3 Values Nitrate Values Samolinq Event
28-Seo-99 MW.4 6200 Shallow Samole
28-Sep-99 5820 Deeo Samole
28-Sep-99 6020 TotalSample
15-Mar-00 5520 Quarterly
15-Mar-00 5430 Quarterly
2-Seo-00 5420 9.63 Quarterlv
30-Nov-00 6470 9.37 Quarterly & Split Sample
29-Mar-01 4360 8.77 Quarterlv
22-Jun-01 6300 9.02 Quarterlv
2O-Seo-01 5300 9.45 Quarterlv
8-Nov-01 5200 8 UDEQ Solit Samolino Event
26-Mar-02 4700 8.19 First 1/4 2002 Sample
22-Mav-02 4300 8.21 Quarterly
12-Sep-02 6000 8.45 UDEQ Solit Samolino Event
24-Nov-02 2500 8.1 Quarterly
28-Mar-03 2000 8.3 Quarterly
30-Apr-03 3300 NA Well Pumoino Event Samole
30-Mav-03 3400 8.2 Well Pumping Event Sample
23-Jun-03 4300 8.2 2nd Quarter Samplinq Event
30-Jul-03 3600 8.1 Well Pumping Event Sample
29-Auq-03 4100 8,4 Well Pumoino Event Samole
12-Seo-03 3500 8.5 3rd Quarter Samplinq Event
15-Oct-03 3800 8.1 Well Pumoino Event Samole
B-Nov-O3 3800 8.0 4th Quarter Samolino Event
29-Mar-04 NA Unable to puroe/samole
22-Jun-04 NA Unable to ouroe/samole
17-Seo-04 3300 6.71 3rd Quarter Samolino Event
17-Nov-04 4300 7.5 4th Quarter Samolino Event
16-Mar-05 2900 6.3 1st Quarter Samolinq Event
25-Mav-05 3170 7.1 2nd Quarter Samolino Event
3l-Aus-05 3500 7.0 3rd Quarter Samolinq Event
l-Dec-05 3000 7.0 4th Quarter Samplinq Event
9-Mar-06 3 100 6.0 1st Quarter Samolinq Event
l4-Jun-06 3000 6.0 2nd Quarter Samplinq Event
20-Jul-06 2820 1.2 3rd Quarter Samolinq Event
9-Nov-06 2830 6.4 4th Quarter Samolino Event
l5-Aus-07 2600 6.2 3rd Quarter Samolino Event
10-Oct-07 2300 6.2 4th Quarter Samolinq Event
26-Mar-08 2400 5.8 1st Quarter Samolino Event
25-Jun-08 2500 6.09 2nd Quarter Samolinq Event
10-Seo-08 1 800 6.36 3rd Quarter Samolino Event
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Date of Samole CHCI3 Values Nitrate Values Samolino Event
28-Jun-99 TW4-1 1700 7.2 Quarterlv
10-Nov-99 5.79 Quarterly
15-Mar-00 1 100 Quarterly
10-Apr-00 1490 Grab Samole
6-Jun-00 1 530 Quarterlv
2-Seo-00 2320 5.58 Quarterly
30-Nov-O0 3440 7.79 Quarterly & Split Sample
29-Mar-01 2340 7.15 Quarterly
22-Jun-01 6000 8.81 Quarterly
20-Seo-01 12.8 Quarterlv
8-Nov-O1 3200 12.4 UDEQ Split Samplinq Event
26-Mar-02 3200 13.1 First 1/4 2002 Samole
22-Mav-02 2800 12.7 Quarterlv
12-Seo-02 3300 12.8 UDEQ Split Samplinq Event
24-Nov-O2 3500 13.6 Quarterlv
28-Mar-03 3000 12.4 Quarterly
23-Jun-03 3600 12.5 2nd Quarter Samolino Event
12-Seo-03 2700 12.5 3rd Quarter Samolinq Event
8-Nov-03 3400 1 1.8 4th Quarter Samplinq Event
29-Mar-04 3200 11 1st Quarter Samolino Event
22-Jun-l4 3100 8.78 2nd Quarter Sampling Event
17-Seo-04 2800 10.8 3rd Quarter Samolino Event
17-Nov-04 3000 11.1 4th Quarter Samplinq Event
16-Mar-05 2700 9.1 1st Quarter Samplinq Event
25-Mav-05 3080 10.6 2nd Quarter Samolino Event
3l-Aus-05 2900 9.8 3rd Quarter Samolino Event
1-Dec-05 2400 9.7 4th Quarter Samplino Event
9-Mar-06 2700 9.4 1st Quarter Samplinq Event
14-Jun-06 2200 9.6 2nd Quarter Samplinq Event
20-Jul-06 2840 9.2 3rd Quarter Samolino Event
8-Nov-06 2260 9.2 4th Quarter Samolino Event
15-Auq-07 2300 8.4 3rd Quarter Samplinq Event
10-Oct-07 2000 7.8 4th Quarter Samolino Event
26-Mar-08 2000 7.6 1st Quarter Samplinq Event
25-Jun-08 1900 8.68 2nd Quarter Samolinq Event
10-Seo-08 1700 8.15 3rd Quarter Samplinq Event
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Date of Samole CHCI3 Values Nitrate Values Samolinq Event
10-Nov-99 rw4-2 2510 Quarterly
2-Seo-00 5220 Quarterly
28-Nov-O0 4220 10.7 Quarterlv & Solit Samole
29-Mar-01 3890 10.2 Quarterly
22-Jun-01 5500 9.67 Quarterlv
20-Sep-01 4900 11.4 Quarterlv
B-Nov-O1 5300 10.1 UDEQ Solit Samolino Event
26-Mar-02 51 00 9.98 First 1/4 2002 Sample
23-Mav-02 4700 9.78 Quarterly
12-Seo-02 6000 9.44 UDEQ Split Samplinq Event
24-Nov-O2 5400 10.4 Quarterlv
28-Mar-03 4700 9.5 Quarterly
23-Jun-03 5100 9.6 2nd Quarter Sampling Event
12-Seo-03 3200 8.6 3rd Quarter Samolino Event
8-Nov-O3 4700 9.7 4th Quarter Samolinq Event
29-Mar-04 4200 9.14 1st Quarter Samolino Event
22-Jun-04 4300 8.22 2nd Quarter Samplinq Event
17-Seo-04 41 00 8.4 3rd Quarter Samplinq Event
17-Nov-04 4500 8.6 4th Quarter Samolino Event
16-Mar-05 3700 7.7 1st Quarter Samplino Event
25-Mav-05 37s0 8.6 2nd Quarter Samolino Event
3l-Aue-05 3900 8.0 3rd Quarter Samplinq Event
l-Dec-05 3s00 7.8 4th Quarter Samolino Event
9-Mar-O6 3800 7.5 1st Quarter Samolino Event
l4-Jun-06 3200 7.1 2nd Quarter Samplinq Event
20-Jul-06 4t20 7.4 3rd Quarter Sampling Event
8-Nov-O6 3420 7.6 4th Quarter Samolino Event
15-Auo-07 3400 7.3 3rd Quarter Samolino Event
10-Oct-07 3200 4th Quarter Samplinq Event
26-Mar-08 3300 6.9 1st Quarter Samolino Event
25-Jun-08 31 00 7.44 2nd Quarter Samplinq Event
1O-Seo-08 2800 7.1 3rd Quarter Samplinq Event
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Date of Sample CHCI3 Values Nitrate Values Samolino Event
28-Jun-99 TW4-3 3500 7.6 Quarterly
29-Nov-99 702 Quarterlv
15-Mar-00 834 Quarterly
2-Seo-00 836 1.56 Quarterlv
29-Nov-O0 836 1.97 Quarterlv & Solit Samole
27-Mar-01 347 1.85 Quarterly
21-Jun-01 390 2.61 Quarterly
20-Sep-01 300 3.06 Quarterlv
7-Nov-01 170 3.6 UDEQ Split Samolinq Event
26-Mar-02 11 3.87 First 1/4 2002 Sample
21-Mav-02 204 4.34 Quarterlv
12-Seo-02 203 4.32 UDEQ Solit Samolino Event
24-Nov-O2 102 4.9 Quarterly
28-Mar-03 ND 4.6 Quarterlv
23-Jun-03 ND 4.8 2nd Quarter Samolino Event
12-Seo-03 ND 4.3 3rd Quarter Samplinq Event
8-Nov-O3 ND 4.8 4th Quarter Samolino Event
29-Mar-04 ND 4.48 1st Quarter Samolinq Event
22-Jun-$4 ND 3.68 2nd Quarter Samplinq Event
17-Seo-04 ND 3.88 3rd Quarter Samolinq Event
17-Nov-04 ND 4.1 4th Quarter Samplinq Event
16-Mar-05 ND 3.5 1st Quarter Samolino Event
25-Mav-05 ND 3.7 2nd Quarter Samplinq Event
3l-Aus-05 ND 3.5 3rd Quarter Samolino Event
l-Dec-05 ND J.J 4th Quarter Samplinq Event
9-Mar-06 ND J.J 1st Quarter Samolino Event
14-Jun-06 ND 3.2 2nd Quarter Samolino Event
20-Jul-06 ND 2.9 3rd Quarter Samplinq Event
8-Nov-O6 ND 1.5 4th Quarter Samplinq Event
28-Feb-07 ND 3.1 1st Quarter Samolino Event
27-Jun-07 ND 3.3 2nd Quarter Samolino Event
l5-Aus-2007 ND 3.1 3rd Ouarter Sampline Event
t0/10t2007 ND 2.8 4th Ouarter Samolins Event
26-Mar-08 ND 2.8 1st Quarter Samolinq Event
25-Jun-08 ND 2.85 2nd Quarter Samolino Event
1O-Sep-08 ND 2.66 3rd Quarter Samolino Event
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Date of Sample CHCI3 Values Nitrate Values Samplinq Event
6-Jun-00 TW4-4 ND lnitial
2-Sep-00 ND Quarterly
28-Nov-00 3.85 1.O2 Quarterly & Split Samole
2B-Mar-01 2260 14.5 Quarterly
20-Jun-01 31 00 14 Quarterlv
20-Sep-01 3200 14.8 Quarterly
8-Nov-01 2900 15 UDEQ Split Samplinq Event
26-Mar-02 3400 13.2 First 1/4 2002 Sample
22-Mav-O2 3200 13.4 Quarterlv
12-Seo-02 4000 12.6 UDEQ Solit Samplino Event
24-Nov-O2 3800 13.4 Quarterly
28-Mar-03 3300 12.8 Quarterly
23-Jun-03 3600 12.3 2nd Quarter Samolinq Event
12-Seo-03 2900 12.3 3rd Quarter Samplinq Event
8-Nov-03 3500 12.2 4th Quarter Samolino Event
29-Mar-04 3200 12.1 1st Quarter Samplinq Event
22-Jun-l4 3500 11.1 2nd Quarter Samolino Event
17-Seo-04 3100 10.8 3rd Quarter Samolinq Event
'17-Nov-O4 3600 11.6 4th Quarter Samplino Event
16-Mar-05 31 00 10 1st Quarter Samplinq Event
25-Mav-05 2400 I 1.3 2nd Quarter Samolino Event
3l-Aus-05 3200 9.9 3rd Quarter Samolino Event
l-Dec-05 2800 10.2 4th Quarter Samplins Event
9-Mar-06 2900 9.5 1st Quarter Samolino Event
l4-Jun-06 2600 8.6 2nd Quarter Samplinq Event
20-Jul-06 2850 9.7 3rd Quarter Samolino Event
8-Nov-O6 2670 10.1 4th Quarter Samolino Event
28-Feb-07 2200 9.0 1st Quarter Samolino Event
27-Jun-07 2400 9.4 2nd Quarter Samplins Event
l5-Aus-07 2700 9.5 3rd Ouarter Sampline Event
l0-Oct-07 2500 9.5 4th Ouarter Samoline Event
26-Mar-08 2800 9.2 lst Ouarter Sampline Event
25-Jun-08 2500 10.8 2nd Ouarter Sampline Event
l0-Seo-O8 2200 8.83 3rd Quarter Samplins Event
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Date of Samole CHCI3 Values Nitrate Values Samolino Event
20-Dec-99 TW4-5 29.5 Quarterly
15-Mar-00 49 Quarterly
2-Sep-00 124 .86 Quarterly
29-Nov-O0 255 3.16 Quarterly & Split Samole
28-Mar-01 236 3.88 Quarterly
20-Jun-0'1 240 6.47 Quarterly
20-Sep-01 240 2.1 Quarterly
7-Nov-01 260 5.2 UDEQ Solit Samolinq Event
26-Mar-02 260 2.54 First 1/4 2002 Sample
22-Mav-02 300 3.05 Quarterlv
12-Seo-02 330 4.61 UDEQ Split Samplinq Event
24-Nov-02 260 1.1 Quarterly
28-Mar-03 240 1.9 Quarterlv
23-Jun-03 290 3.2 2nd Quarter Samplinq Event
12-Seo-03 200 4 3rd Quarter Samplinq Event
8-Nov-03 240 4.6 4th Quarter Samolinq Event
29-Mar-O4 210 4.99 1st Quarter Samolino Event
22-Jun-l4 200 4.78 2nd Quarter Samolino Event
17-Seo-04 150 4.79 3rd Quarter Samolino Event
'17-Nov-04 180 5.1 4th Quarter Samplino Event
16-Mar-05 120 4.9 1st Quarter Samolinq Event
25-Mav-O5 u3 3.7 2nd Quarter Samplino Event
3l-Aue-05 82 6.0 3rd Quarter Samolino Event
1-Dec-05 63 6.0 4th Quarter Samolino Event
9-Mar-06 66 6.0 1st Quarter Samolino Event
14-Jun-06 51 5.9 2nd Quarter Samplinq Event
20-Jul-06 53.70 3rd Quarter Samplinq Event
8-Nov-06 47.10 2.9 4th Quarter Samolinq Event
28-Feb-07 33 7.8 1st Quarter Samplinq Event
27-Jtn-07 26 7.0 2nd Ouarter Samoline Event
l5-Aus-07 9.2 7.7 3rd Quarter Samplins Event
l0-Oct-17 9.5 8.2 4th Ouarter Samolins Event
26-Mar-08 ll 7.4 lst Ouarter Sampline Event
25-Jun-08 9.3 8.7 2nd Ouarter Samnline Event
l0-Sep-08 1l 7.9 3rd Ouarter Samolins Event
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Date of Samole CHCI3 Values Nitrate Values Samplinq Event
6-Jun-00 TW4-6 ND lnitial
2-Seo-00 ND Quarterlv
28-Nov-O0 ND ND Quarterly & Split Sample
26-Mar-01 ND .13 Quarterlv
20-Jun-01 ND ND Quarterly
20-Seo-01 3.6 ND Quarterlv
7-Nov-01 1.00 ND UDEQ Solit Samolino Event
26-Mar-02 ND ND First 1/4 2002 Samole
21-Mav-O2 ND ND Quarterly
12-Seo-02 ND ND UDEO Solit Samolino Event
24-Nov-02 ND ND Quarterlv
28-Mar-03 ND 0.1 Quarterly
23-Jun-03 ND ND 2nd Quarter Samolino Event
12-Seo-03 ND ND 3rd Quarter Samplinq Event
8-Nov-O3 ND ND 4th Quarter Samolino Event
29-Mar-04 ND ND 1st Quarter Samolinq Event
22-Jun-l4 ND ND 2nd Quarter Samolino Event
17-Seo-04 ND ND 3rd Quarter Samolino Event
17-Nov-04 ND ND 4th Quarter Samplino Event
16-Mar-05 ND 0.2 1st Quarter Samolino Event
25-Mav-05 ND 0.4 2nd Quarter Samplinq Event
3l-Aue-05 10.0 0.5 3rd Quarter Samplinq Event
l-Dec-05 t7.0 0.9 4th Quarter Samolino Event
9-Mar-06 31.0 1.2 1st Quarter Samolino Event
l4-Jun-06 19.0 1.0 2nd Quarter Samolino Event
20-Jul-06 1 1.00 0.6 3rd Quarter Samolino Event
8-Nov-06 42.80 1.4 4th Quarter Samplinq Event
28-Feb-07 46 1.5 1st Quarter Samolino Event
27-Jw-07 0.1 I 0.6 2nd Ouarter Samplins Event
l5-Aus-07 l8 0.7 3rd Ouarter Sampline Event
l0-Ocr07 l8 0.8 4th Ouarter Samolins Event
26-3-08 52 l.t lst Ouarter Samolins Event
25-Jun-08 24 0.9 2nd Ouarter Samoline Event
l0-Seo-08 39 t.t4 3rd Ouarter Samolins Event
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Date of Sample CHCI3 Values Nitrate Values Samolino Event
29-Nov-99 TW4-7 256 Quarterlv
15-Mar-00 616 Quarterlv
2-Seo-00 698 Quarterlv
29-Nov-O0 684 1.99 Quarterlv & Split Sample
28-Mar-01 747 2.46 Quarterlv
20-Jun-01 1 100 2.65 Quarterlv
20-Seo-01 1200 3.38 Quarterly
8-Nov-01 1 100 2.5 UDEQ Solit Samolinq Event
26-Mar-02 1 500 3.76 First 1/4 2002 Sample
23-Mav-02 1 600 3.89 Quarterlv
12-Sep-02 1 500 3.18 UDEQ Split Samolino Event
24-Nov-02 2300 4.6 Quarterly
28-Mar-03 1800 4,8 Quarterly
23-Jun-03 5200 7.6 2nd Quarter Samolino Event
12-Sep-03 3600 7.6 3rd Quarter Samolinq Event
8-Nov-03 4500 7.1 4th Quarter Samplinq Event
29-Mar-04 2500 4.63 1st Quarter Samolino Event
22-Jun-$4 2900 4.83 2nd Quarter Samplinq Event
17-Seo-04 31 00 5.59 3rd Quarter Samolinq Event
17-Nov-04 3800 6 4th Quarter Samolino Event
16-Mar-05 3100 5.2 1st Quarter Samplinq Event
25-Mav-05 2700 5.4 2nd Quarter Samplinq Event
3l-Aus-05 31 00 5.2 3rd Quarter Samolino Event
1-Dec-05 2500 5.3 4th Quarter Samolino Event
9-Mar-06 1900 1.0 1st Quarter Samolinq Event
l4-Jun-06 2200 4.5 2nd Quarter Samplinq Event
20-Jul-06 2140 4.7 3rd Quarter Samplinq Event
8-Nov-O6 2160 4.6 4th Quarter Samolino Event
28-Feb-07 1800 5 1st Quarter Samolinq Event
27-hn-O7 2600 5.1 2nd Ouarter Samolins Event
l4-Aus-0'7 2300 4.7 3rd Ouarter Sampling Event
l0-Oct-07 1900 4.7 4th Ouarter Sampline Event
26-Mar-O8 2200 4.2 lst Ouarter Samolins Event
25-Jun-08 1800 4.8 2nd Ouarter Sampline Event
l0-Seo-08 1600 4.16 3rd Ouarter Samolins Event
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Date of Sample TW4-8 CHCI3 Values Nitrate Values Samolino Event
29-Nov-99 ND Quarterlv
15-Mar-00 21.8 Quarterly
2-Seo-00 102 Quarterly
29-Nov-O0 107 ND Quarterlv & Split Samole
26-Mar-01 116 ND Quarterly
20-Jun-01 180 ND Quarterlv
20-Sep-01 180 0.35 Quarterly
7-Nov-01 '180 ND UDEQ Solit Samolino Event
26-Mar-02 190 0.62 First 1/4 2002 Samole
22-Mav-02 210 0.77 Quarterly
12-Seo-02 300 ND UDEQ Solit Samolino Event
24-Nov-O2 450 ND Quarterly
28-Mar-03 320 0.8 Quarterlv
23-Jun-03 420 ND 2nd Quarter Samolinq Event
12-Seo-03 66 ND 3rd Quarter Samolinq Event
8-Nov-O3 21.0 0.1 4th Quarter Samplinq Event
29-Mar-04 24 0.65 1st Quarter Samolinq Event
22-Jun-l4 110 0.52 2nd Quarter Samolino Event
17-Sep-04 120 ND 3rd Quarter Samplino Event
17-Nov-04 120 ND 4th Quarter Samolino Event
16-Mar-05 10.0 ND 1st Quarter Samolino Event
25-Mav-O5 ND 0.2 2nd Quarter Samolinq Event
31-Aue-05 1.1 ND 3rd Quarter Samolinq Event
l-Dec-05 ND ND 4th Quarter Samplino Event
9-Mar-06 1.3 0.3 1st Quarter Samolino Event
14-Jun-06 ND ND 2nd Quarter Samplino Event
20-Jul-06 ND 0.1 3rd Quarter Samolinq Event
8-Nov-O6 ND ND 4th Quarter Samolino Event
28-Feb-07 2.50 0.7 1st Quarter Samplinq Event
27-Jun-07 2.5 0.2 2nd Ouarter Samplins Event
l5-Aus-07 1.5 ND 3rd Ouarter Samplins Event
10-Oct-07 3.5 0.5 4th Ouarter Samolins Event
26-Mar-08 ND 0.1 lst Ouarter Samplins Event
25-Jun-08 ND ND 2nd Ouarter Samplins Event
l0-Seo-08 ND ND 3rd Ouarter Samoline Event
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Date of Samole TW4-9 CHCI3 Values Nitrate Values Samolinq Event
20-Dec-99 4.24 Quarterly
15-Mar-00 1.88 Quarterlv
2-Seo-00 14.2 Quarterly
29-Nov-00 39.4 ND Quarterlv & Solit Samole
27-Mar-01 43.6 ND Quarterlv
20-Jun-01 59 15 Quarterly
20-Seo-01 19 0.40 Quarterly
7-Nov-O1 49 0.1 UDEO Solit Samolino Event
26-Mar-02 41 0.5 First 1/4 2002 Sample
22-Mav-02 38 0.65 Quarterlv
12-Seo-02 49 0.2 UDEQ Solit Samolino Event
24-Nov-02 51 0.6 Quarterly
28-Mar-03 34 0.6 Quarterly
23-Jun-03 33 0.8
2nd Quarter Sampling
Event
12-Seo-03 32 1.1 3rd Quarter Samplinq Event
B-Nov-03 46 1.1 4th Quarter Samolinq Event
29-Mar-04 48 0.82 1st Quarter Samolino Event
22-Jun-04 48 0.75
2nd Quarter Sampling
Event
17-Seo-04 39 0.81 3rd Quarter Samolinq Event
17-Nov-04 26 1.2 4th Quarter Samplinq Event
16-Mar-05 3.8 1.3 1st Quarter Samolinq Event
25-Mav-05 1.2 1.3 2nd Quarter Samolinq Evenl
3l-Aus-05 ND 1.3 3rd Quarter Samolino Event
l-Dec-05 ND 1.3 4th Quarter Samolinq Event
9-Mar-06 ND 1.5 1st Quarter Samplinq Event
l4-Jun-06 ND 1.5
2nd Quarter Sampling
Event
20-Jul-06 ND 0.9 3rd Quarter Samplinq Event
8-Nov-06 ND 0.7 4th Quarter Samolinq Event
28-Feb-07 ND 0.6 1st Quarter Samolino Event
27-lun-07 2t 1.3
2nd Quarter Sampling
Event
l5-Aus-07 9.5 1.8 3rd Quarter Samolino Event
l0-Oct-07 8.7 2 4th Quarter Samolino Event
26-Mar-O8 1.3 2.1 1st Quarter Samolino Event
25-Jun-08 1.0 2.3
2nd Quarter Sampling
Event
l0-Seo-08 ND 2.79 3rd Quarter Samolinq Event
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Date of Samole TW4-10 CHCI3 Values Nitrate Values Samplino Event
21-Jan-02 14 lnitialSamole
26-Mar-02 16 0.14 First 1/4 2002 Samole
21-Mav-02 17 0.11 Quarterly
12-Seo-02 6.0 ND UDEQ Solit Samolino Event
24-Nov-02 14 ND Quarterly
28-Mar-03 29 0.2 Quarterly
23-Jun-03 110 0.4 2nd Quarter Samolino Event
12-Sep-03 74 0.4 3rd Quarter Samplinq Event
8-Nov-03 75 0.3 4th Quarter Samolino Event
29-Mar-04 22 0.1 1st Quarter Samolino Event
22-Jun-04 32 ND 2nd Quarter Samolino Event
17-Seo-04 63 0.46 3rd Quarter Samolino Event
17-Nov-04 120 0.4 4th Quarter Samolinq Event
16-Mar-05 140 1.6 1st Quarter Samolino Event
25-Mav-05 62.4 0.8 2nd Quarter Samplinq Event
31-Aue-05 110 1.1 3rd Quarter Samolino Event
l-Dec-05 300 J.J 4th Quarter Samolino Event
9-Mar-06 190 2.4 1st Quarter Samolino Event
14-Jun-06 300 3.5 2nd Quarter Samplinq Event
20-Jul-06 504.00 6.8 3rd Quarter Samolino Event
B-Nov-O6 452.00 5.7 4th Quarter Samplinq Event
28-Feb-07 500 7.6 lst Ouarter Sampline Event
27-Jun-07 350 5.1 2nd Ouarter Samplins Event
l5-Aus-07 660 I --t 3rd Ouarter Samplins Event
l0-Oct-07 470 6.7 4th Quarter Samplinq Event
26-Mar-08 620 t-t lst Ouarter Samolins Event
25-Jun-08 720 9.91 2nd Ouarter Samplins Event
l0-Seo-08 680 9.23 3rd Ouarter Samolinp Event
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Date of Sample TW4-11 CHCI3 Values Nitrate Values Samolino Event
21-Jan-02 4700 lnitialSample
26-Mar-02 4900 9.60 First 1/4 2002 Sample
22-Mav-02 5200 9.07 Quarterlv
12-Seo-02 6200 8.84 UDEQ Solit Samolino Event
24-Nov-O2 5800 9.7 Quarterly
28-Mar-03 5100 9.7 Quarterlv
23-Jun-03 5700 9.4 2nd Quarter Samplino Event
12-Sep-03 4600 9.9 3rd Quarter Samolino Event
8-Nov-O3 5200 9.3 4th Quarter Samolinq Event
29-Mar-04 5300 9.07 1st Quarter Samolinq Event
22-Jun-l4 5700 8.74 2nd Quarter Samplinq Event
17-Seo-04 4800 8.75 3rd Quarter Samolino Event
17-Nov-04 5800 9.7 4th Quarter Samolino Event
16-Mar-05 4400 8.7 1st Quarter Samolino Event
25-Mav-05 3590 10.3 2nd Quarter Samplinq Event
3l-Aue-05 4400 9.4 3rd Quarter Samolino Event
l-Dec-05 4400 9.4 4th Quarter Samolino Event
9-Mar-06 4400 9.2 1st Quarter Samplinq Event
14-Jun-06 4300 10 2nd Quarter Samolinq Event
20-Jul-06 4080 '10 3rd Quarter Samolino Event
B-Nov-O6 3660 10 4th Quarter Samolinq Event
28-Feb-07 3500 10.1 1st Quarter Samolino Event
27-Jun-07 3800 10.6 2nd Ouarter Sampline Event
l5-Aue-07 4s00 10.2 3rd Ouarter Samolinp Event
l0-Oct-07 4400 9.8 4th Ouarter Samoline Event
26-Mar-08 340 7.7 lst Ouarter Sampline Event
25-Jun-08 640 7.28 2nd Ouarter Samolins Event
l0-Sep-O8 900 7.93 3rd Ouarter Samolins Event
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Date of Sample TW4-t2 CHCI3 Values Nitrate Values Samolinq Event
l2-Seo-02 1.5 1.5 2.54 UDEQ Solit Samolinq Event
24-Nov-O2 ND 2.2 Quarterly
28-Mar-03 ND 1.9 Quarterly
23-Jun-03 ND 1.8 2nd Quarter Samolino Event
12-Sep-03 ND 1.8 3rd Quarter Samplinq Event
9-Nov-03 ND 1.6 4th Quarter Samolino Event
29-Mar-04 ND 1.58 'tst Quarter Samolino Event
22-Jun-04 ND 1.4 2nd Quarter Samplinq Event
17-Seo-04 ND 1.24 3rd Quarter Samolino Event
17-Nov-04 ND 1.5 4th Quarter Samolinq Event
16-Mar-05 ND 1.4 1st Quarter Samplinq Event
25-Mav-05 ND 6 2nd Quarter Samplinq Event
31-Aue-05 ND .5 3rd Quarter Samolino Event
l-Dec-05 ND 4 4th Quarter Samolino Event
9-Mar-06 ND .J 1st Quarter Samolinq Event
l4-Jun-06 ND .4 2nd Quarter Samolino Event
20-Jul-06 ND .4 3rd Quarter Samolino Event
8-Nov-06 ND 4 4th Quarter Samolino Event
28-Feb-07 ND .5 1st Quarter Samolinq Event
27-lun-07 ND .5 2nd Ouarter Samplins Event
Aue-15-07 ND 4 3rd Ouarter Samplins Event
l0-Oct-07 ND 4 4th Ouarter Samplins Event
26-Mar-08 ND 6 lst Ouarter Samplins Event
25-Jun-08 ND 2.69 2nd Ouarter Samolins Event
I0-Seo-08 ND 2.65 3rd Ouarter Samolins Event
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Date of Samole TW4-13 CHCI3 Values Nitrate Values Samolinq Event
l2-Sep-02 ND ND UDEQ Split Samolino Event
24-Nov-02 ND ND Quarterlv
28-Mar-03 ND 0.2 Quarterly
23-Jun-03 ND 0.2 2nd Quarter Samplinq Event
l2-Seo-03 ND ND 3rd Quarter Samolino Event
9-Nov-03 ND 0.9 4th Quarter Samplinq Event
29-Mar-04 ND 0.r2 1st Quarter Samolino Event
22-Jun-04 ND 0.17 2nd Quarter Samolino Event
l7-Sep-04 ND 4.43 3rd Quarter Samolino Event
l7-Nov-04 ND 4.7 4th Quarter Samolino Event
l6-Mar-05 ND 4.2 1st Quarter Samolino Event
25-Mav-O5 ND 4.3 2nd Quarter Samplinq Event
3l-Aus-05 ND 4.6 3rd Quarter Samolino Event
l-Dec-05 ND 4.3 4th Quarter Samolinq Event
9-Mar-06 ND 4.2 1st Quarter Samolino Event
l4-Jun-06 ND 4.9 2nd Quarter Samolinq Event
20-Jul-06 ND 4.3 3rd Quarter Samolinq Event
8-Nov-06 ND 0.8 4th Quarter Samplinq Event
28-Feb-07 ND 4 1st Quarter Samolino Event
27-Jun-07 ND 4.6 2nd Quarter Samolino Event
l5-Aus-07 ND 4.4 3rd Quarter Samolino Event
t0-Oct-07 ND 4.1 4th Quarter Samplino Event
26-Mar-08 ND 3.8 1st Quarter Samolinq Event
25-Jun-08 ND 4.24 2nd Quarter Samolino Event
l0-Sep-08 ND 4.26 3rd Quarter Samolino Event
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Date of Samole TW4-15 CHCI3 Values Nitrate Values Samolino Event
12-Sep-02 2.6 ND UDEQ Solit Samolino Event
24-Nov-02 ND ND Quarterly
28-Mar-03 ND 0.1 Quarterly
23-Jun-O3 7800 14.5 2nd Quarter Samolinq Event
l5-Aus-03 7400 16.8 Well Pumpino Event Samole
l2-Sep-03 2500 2.7 3rd Quarter Samolinq Event
25-Sep-03 2600 2.5 Well Pumpinq Event Sample
29-Oct-03 3 100 3.1 Well Pumoino Event Samole
8-Nov-03 3000 2.8 4th Quarter Samolino Event
29-Mar-04 NA NA Unable to ouroe/samole
22-Jun-04 NA NA Unable to ouroe/samole
l7-Sep-04 1400 0.53 3rd Quarter Samolino Event
l7-Nov-04 300 0.2 4th Quarter Samplinq Event
l6-Mar-05 310 0.3 1st Quarter Samolino Event
30-Mar-05 230 0.2 1st Quarter POC Samolino
25-Mav-05 442 0.2 2nd Quarter Samolino Event
3l-Aue-05 960 0.2 3rd Quarter Samolino Event
l-Dec-05 1000 0.3 4th Quarter Samolinq Event
9-Mar-06 1 100 0.2 1st Quarter Samplinq Event
l4-Jun-06 830 0.2 2nd Quarter Samolino Event
20-Jul-06 2170 1.4 3rd Quarter Samolinq Event
8-Nov-06 282 0.3 4th Quarter Samolinq Event
28-Feb-07 570 0.5 1st Quarter Samolinq Event
27-Jut-07 300 0.4 2nd Quarter Samolinq Event
l5-Aue-07 r400 3rd Quarter Samplinq Event
l0-Oct-07 2000 0.6 4th Quarter Samplino Event
26-Mar-08 930 0.1 1st Quarter Samolinq Event
25-Jun-08 1300 0.56 2nd Quarter Samplinq Event
l0-Seo-08 630 0.24 3rd Quarter Samolino Event
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Date of Samole TW4-16 CHCI3 Values Nitrate Values Samplino Event
l2-Seo-02 140 ND UDEQ Solit Samolino Event
24-Nov-02 200 ND Quarterlv
28-Mar-03 260 ND Quarterlv
23-Jun-03 370 ND 2nd Quarter Samplinq Event
l2-Sep-03 350 ND 3rd Quarter Samplino Event
8-Nov-03 400 ND 4th Quarter Samplinq Event
29-Mar-04 430 ND 1st Quarter Samolino Event
22-Iun-04 s30 ND 2nd Quarter Samplinq Event
l7-Sep-04 400 ND 3rd Quarter Samolino Event
l7-Nov-04 350 ND 4th Quarter Samolino Event
l6-Mar-05 240 ND 1st Quarter Samplinq Event
25-Mav-05 2t2 ND 2nd Quarter Samolino Event
3l-Aus-05 B5 ND 3rd Quarter Samolinq Event
l-Dec-05 t4 t.4 4th Quarter Samolino Event
9-Mar-06 39 3.0 1st Quarter Samolino Event
l4-Jun-O6 l3 t.9 2nd Quarter Samplinq Event
20-Jul-06 5 2.7 3rd Quarter Samolino Event
8-Nov-06 13.6 5.6 4th Quarter Samolino Event
28-Feb-07 8.70 12.3 1st Quarter Samolinq Event
27-Jwr-07 2.60 9.9 2nd Quarter Samplino Event
l5-Aus-07 7.10 5.4 3rd Quarter Samplinq Event
l0-Oct-07 1.40 4.4 4th Quarter Samolino Event
26-Mar-08 11.00 ND 1st Quarter Samolino Event
25-Jun-08 ND 1.46 2nd Quarter Samolinq Event
l0-Seo-08 r0.00 10.5 3rd Quarter Samolino Event
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Date of Samole TW4-17 CHCI3 Values Nitrate Values Samplinq Event
l2-Sep-02 1.6 ND UDEQ Split Samplinq Event
24-Nov-02 ND ND Quarterlv
28-Mar-03 ND ND Quarterlv
23-Jun-03 ND ND 2nd Quarter Samplinq Event
l2-Sep-03 ND ND 3rd Quarter Samolinq Event
8-Nov-03 ND ND 4th Quarter Samolino Event
29-Mar04 ND ND 1st Quarter Samplinq Event
22-Jun-O4 ND ND 2nd Quarter Samplinq Event
l7-Sep-04 ND ND 3rd Quarter Samplinq Event
l7-Nov-04 ND ND 4th Quarter Samolino Event
16-Mar-05 ND ND 1st Quarter Samolino Event
30-Mar-05 ND ND 1st Quarter POC Samolino
25-Mav-O5 ND ND 2nd Quarter Samplino Event
3l-Aue-05 ND ND 3rd Quarter Samplinq Event
l-Dec-05 ND ND 4th Quarter Samplinq Event
9-Mar-06 ND ND 1st Quarter Samolino Event
l4-Jun-06 ND ND 2nd Quarter Samolino Event
20-Jul-06 ND ND 3rd Quarter Samolino Event
8-Nov-06 ND ND 4th Quarter Samplinq Event
28-Feb-07 ND ND 1st Quarter Samolino Event
27-Jun-07 ND ND 2nd Quarter Samolino Event
l5-Aus-07 ND ND 3rd Quarter Samolino Event
l0-Oct-07 ND ND 4th Quarter Samolinq Event
26-Mar-08 ND ND 1st Quarter Samplino Event
25-Jun-08 ND ND 2nd Quarter Samolinq Event
l0-Seo-08 ND ND 3rd Quarter Samolino Event
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Date of Samole CHCI3 Values Nitrate Values Samolino Event
l2-Seo-02 TW4-18 440 t.49 UDEQ Solit Samolinq Event
24-Nov-02 240 13.3 Quarterly
28-Mar-03 160 13.I Quarterlv
23-Jun-03 110 t9 2nd Quarter Samplino Event
l2-Sep-03 68 19.9 3rd Quarter Samolino Event
9-Nov-O3 84 20.7 4th Quarter Samolino Event
29-Mar-04 90 t4 1st Quarter Samolinq Event
22-Jrlr-O4 82 2.2 2nd Quarter Samolino Event
17-Seo-04 38 4.5 3rd Quarter Samolino Event
17-Nov-04 5l t.J 4th Quarter Samolino Event
l6-Mar-05 38 4.t 1st Quarter Samolino Event
25-Mav-05 29.8 2.9 2nd Quarter Samplinq Event
3l-Aus-05 39 5.5 3rd Quarter Samolino Event
1-Dec-05 t4 t.J 4th Quarter Samolino Event
9-Mar-06 t2 5.9 1st Quarter Samolino Event
l4-Jun-06 t2 4.7 2nd Quarter Samplinq Event
20-Ju1-06 10.80 6.1 3rd Quarter Samolinq Event
8-Nov-06 139.00 8.7 4th Quarter Samolino Event
28-Feb-07 9.2 5.1 1st Quarter Samolinq Event
27-Iwt-07 8.0 4.9 2nd Quarter Samolino Event
l5-Aue-07 8.9 5 3rd Quarter Samolino Event
l0-Oct-08 7.4 4.4 4th Quarter Samolinq Event
26-Mar-08 6.4 0.7 1st Quarter Samolinq Event
25-Jun-08 5.7 4.5s 2nd Quarter Samolino Event
l0-Sep-08 8.0 4.68 3rd Quarter Samolino Event
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Date of Sample TW4-19 CHCI3 Values Nitrate Values Samolino Event
l2-Sep-02 7700 47.6 UDEQ Solit Samolinq Event
24-Nov-02 5400 42 Quarterly
28-Mar-03 4200 61.4 Quarterly
15-Mav-03 4700 NA Well Pumoinq Event Samole
23-Jun-03 4s00 tt.4 2nd Quarter Samolino Event
l5-Jul-03 2400 6.8 Well Pumpinq Event Sample
l5-Aue-03 2600 4 Well Pumpinq Event Sample
I 2-Sep-03 2500 5.7 3rd Quarter Samolino Event
25-Seo-03 4600 9.2 Well Pumoinq Event Samole
29-Oct-03 4600 7.7 Well Pumpinq Event Samole
9-Nov-03 2600 4.8 4th Quarter Samolinq Event
29-Mar-04 NA NA Unable to purqe/sample
22-Iun-04 NA NA Unable to ouroe/samole
16-Aus-04 7100 9.9r Well Pumoino Event Samole
l7-Sep-04 2600 4.5 3rd Quarter Samolino Event
l7-Nov-04 1800 3.6 4th Quarter Samolino Event
l6-Mar-05 2200 5.3 1st Quarter Samolinq Event
25-Mav-O5 1200 5.7 2nd Quarter Samplinq Event
3l-Aus-05 1400 4.6 3rd Quarter Samplinq Event
1-Dec-05 2800 ND 4th Quarter Samolino Event
9-Mar-06 200 4.0 1st Quarter Samolino Event
l4-Jun-06 100 5.2 2nd Quarter Samolino Event
20-Jul-06 120 4.3 3rd Quarter Samolinq Event
8-Nov-07 050 4.6 4th Quarter Samolino Event
28-Feb-07 200 4 1st Quarter Samolino Event
27-Itn-07 800 2.3 2nd Quarter Samolino Event
l5-Aue-07 100 4.t 3rd Quarter Samolinq Event
l0-Oct-08 100 4 4th Quarter Samolino Event
26-Mar-08 800 2.2 1ar Quarter Samplinq Event
25-Jun-O8 000 2.81 2nd Quarter Samolinq Event
l0-Sep-08 3600 36.2 3rd Quarter Samplino Event
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Date of Sample TW4-20 CHCI3 Values Nitrate Values Samolino Event
25-Mav-O5 39000 l0.l 2nd Quarter Samolino Event
3l-Aue-05 3800 2.9 3rd Quarter Samolino Event
l-Dec-05 r9000 1.8 4th Quarter Samolinq Event
9-Mar-06 9200 3.8 1st Quarter Samolino Event
l4-Jun-06 61000 9.4 2nd Quarter Samolinq Event
20-Jul-06 s300 2.9 3rd Quarter Samplinq Event
8-Nov-O6 I 1000 3.5 4th Quarter Samplinq Event
28-Feb-07 4400 4.2 1st Quarter Samplinq Event
27-Jur-07 1800 2.3 2nd Quarter Samplinq Event
15-Aus-07 5200 2.1 3rd Quarter Samplinq Event
l0-Oct-08 9000 5.6 4th Quarter Samplinq Event
26-Mar-O8 13000 0.9 1st Quarter Samplinq Event
25-Jun-08 30000 7.96 2nd Quarter Samplinq Event
10-Sep-08 21000 4.44 3rd Quarter Samplinq Event
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Date of Sample TW4-21 CHCI3 Values Nitrate Values Samolino Event
25-Mav-05 192 14.6 2nd Quarter Samolino Event
3l-Aus-05 78 10.1 3rd Quarter Samolinq Event
l-Dec-05 86 9.6 4th Quarter Samolino Event
9-Mar-06 120 8.5 1st Quarter Samplinq Event
l4-Jun-06 130 10.2 2nd Quarter Samolino Event
20-Jul-06 106 8.9 3rd Quarter Samolino Event
8-Nov-06 t2.5 5.7 4th Quarter Samolino Event
28-Feb-O7 160 8.7 1st Quarter Samolinq Event
27-Jun-07 300.0 8.6 2nd Quarter Samplinq Event
l5-Aue-07 t40 8.6 3rd Quarter Samplinq Event
l0-Oct-07 120 8.3 4th Quarter Samolino Event
26-Mar-08 380 14.3 1st Quarter Samolino Event
25-Jun-08 160 8.81 2nd Quarter Samolino Event
10-Seo-08 r20 7.57 3rd Ouarter Samolino Event
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Date of Sample TW4-22 CHCI3 Values Nitrate Values Samolino Event
25-Mav-05 340 18.2 2nd Quarter Samolinq Event
31-Auq-05 290 15.7 3rd Quarter Samolinq Event
1-Dec-05 320 15.1 4th Quarter Samplinq Event
9-Mar-06 390 15.3 1st Quarter Samplinq Event
14-Jun-06 28A 14.3 2nd Quarter Samolino Event
20-Jul-06 864 14.5 3rd Quarter Samolino Event
8-Nov-06 350 15.9 4th Quarter Samplino Event
28-Feb-07 440 20.9 1st Quarter Samolino Event
27-Jun-07 740 19.3 2nd Quarter Samolino Event
15-Auq-07 530 19.3 3rd Quarter Samolino Event
Oct10-08 440 18.8 4th Quarter Samolinq Event
26-Mar-08 1400 39.1 1st Quarter Samolino Event
25-Jun-08 1200 41.9 2nd Quarter Samolino Event
10-Seo-08 6300 38.7 3rd Quarter Samplino Event
I ENERGY LABORATORIES, lNC. . 2393 Salt Creek Highway (82601) ' P.O. Box 3258 ' Casper, WY82602
Toll Free888,235.0515 ' 307.235.0515 ' Fax [phone] ' [e-mail]'www.energylab.com
I
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I
N,IALWI CAL S U MM ARY REP O RT
September 26, 2008
Denison Mines (USA) Corp
6425 S Hwy 191
Blanding, UT 84511
WorkorderNo.: C08090521
Project Name: 3rd Quarter Chloroform
Energy Laboratories, lnc, received the following 32 samples from Denison Mines (USA) Corp on 911212008 for analysis.
Sample lD Client Sample lD Collect Date Receive Date Matrix Teattc08090521-001 MW4 0g/10/0810:59 09/1?08 Aqueous Chloride
Nitrogen, Nitrate + Nitrite
SW8260B VOCs, Standard List
I c08090521-002 TW4-1 09/10/08 12:48 O9llZOB Aqueous Same As Above
c08090521-003 TW4-2 09/10/08 13:03 09/12108 Aqueous Same As Above
c0809052't-004 TW4-3 09/10/08 13:09 09/12108 Aqueous Same As AboveIc08090521-005 TW44 09/10/08 09:53 09/12108 Aqueous Same As Above
c08090521-006 TW4-5 09/10/08 10:33 09/12108 Aqueous Same As Above
I c08090521-007 TW4-6 09/10/08 09:43 09/12108 Aqueous Same As Above
c08090521-008 TW4-7 09/10/08 12:40 O9l12lO8 Aqueous Same As Above
t c08090521-009 TW4-8 09/1 0/08 12:55 09112108 Aqueous Same As Above
c08090521-010 TW4-9 09/1 0/08 1O:4O O9l12lOB Aqueous Same As Above
c08090521-01't TW4-10 09/1 0/08 10:27 09112108 Aqueous Same As AboveIc08090521-012 TW4-11 09/10/08 10:48 09/12108 Aqueous Same As Above
c08090521-013 TW4-12 09/10/08 09:14 09/12108 Aqueous Same As Above
I c08090521-014 TW4-13 09/10/08 09;21 09/12108 Aqueous Same As Above
c08090521-015 TW4-14 09/10/08 09:33 09/12108 Aqueous Same As Above
c08090521-016 TW4-15 09/1 0/08 13:28 OOll2lQB Aqueous Same As Abovetc08090521-017 TW4-16 09/1 0/08 08:54 O9l 12lOB Aqueous Same As Above
c08090521-018 TW4-17 09/1 0/08 13154 Ogl 12108 Aqueous Same As AboveIc08090521-019 TW4-18 09/1 0/08 08:23 09112108 Aqueous Same As Above
c08090s21-o20 Tw4-19 09/10/08 14i15 Ogl'l2l08 Aqueous Same As Above
I c08090521-02 1 TW 4-20 09/1 0/08 13:37 O9l 12108 Aqueous Same As Above
c08090521-022 TW4-21 09/1 0/08 O8:1 4 091 12lOB Agueous Same As Above
c08090521-023 TW4-22 09/10/08 08:4a 09/12108 Aqueous Same As AboveIc0E090521-024 TW4-23 09110/08 09:02 09/12108 Aqueous Same As Above
c08090521-025 TW+24 09/10/08 08:34 09/12/08 Aqueous Same As Above
I c08090521-026 TW4-25 09/10/08 08:06 09/1?08 Aqueous Same As Above
c08090521-027 TW4-60 09/08/08 1 4:45 O9l 12loB Aqueous Same As Above
I
I
t ENERGY LABORATORIES, lNC. ' 2393 Salt Creek HEhway (82601) ' PO. Box 3258 ' Casper; WY 82602
TollFree888.235.0515 . 307.235.0515 . Fax [phone] ' [e-mail]'wwwenergylab.com
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I
AT{ ALW I CAL S U M M ARY REP O RT
September 26, 2008
Denison Mines (USA) Corp
6425 S Hwy 191
Blanding, UT 84511
Workorder No.: C08090521
Project Name: 3rd Quarter Chloroform
Energy Laboratories, lnc. received the following 32 samples from Denison Mines (USA) Corp on 911212008 for analysis.
Sample lD Cllent Sample lD Collect Date Receive Date Matrlx TestIc08090521-028 TW4-63 09/08/08 15:21 O9l12lOB Aqueous SameAsAbove
c08090521-029 TW4-65 09/10/08 13:09 09/12108 Aqueous SameAsAbove
I c08090521-030 TW4-70 09/1 0/08 13:54 091 12lOB Aqueous SameAsAbove
c0809052't-031 TW4-73 09/09/0815:55 09/12/08 Aqueous SameAsAbove
C08090521-032 Trip Blank 09/10/08 14:15 09112108 Aqueous CancelledSampleI
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As appropriate, any exceptions or problems with the analyses are noted in the Laboratory Analytical Report, the
OA/OC Summary Report, or the Case Nanative.
lf you have any questions regarding these tests results, please call.
ReportAppror*"*-ffi76fu
I ENEEGY LABORATOflES, lNC. . 2393 Salt Creek Highway (82601) ' PO. Box 3258 ' Caspet WY 82602
Toll Free888.235.0515 . 307.235.0515 . Fax [phone] ' [e-mail]'www:energylab.com
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t
I
Client:
Project:
Lab lD:
Client Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-001
MW.4
Report Date: 09/26/08
Collection Date: 09/10/08'10:59
DateReceived: 09/1 2/08
Matrix: Aqueous
Result Units Qualiriers RL
MCUQCL Method furalyris Date / By
I
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MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetraciloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzen+d4
Surr: Dibromofl uoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluene.dS
1
0.05
35 mg/L
6.36 mdL
A4500-Cl B
E353.2
SW8260B
sw8260B
sw8260B
SW8260B
SW8260B
SW82608
sw8260B
SW826OB
09/16/08 0E:40 / sp
0911710815:52 / eli-b
09/17108 08:21 lllr
0911610822:15 litr
0U17/0E 08:21 / jlr
0911710808:21 lllr
0911710808:21 lilr
09/17108 08121 I ilr
09/1 7/08 08:21 / ilr
0911710808:21 I jk
1.E
1800
ND
ND
104
114
10'l
100
ug/L
ug/L
uglL
ug/L
%REC
%REC
%REC
%REC
1.0
100
1.0
1.0
80-120
70-130
80-120
80-120
I
I
I
Roport
Dafinitions:
RL - Analyte reporting limit.
QCL - Quality mntrol limit.
D - RL increased due to sample matrix interference.
MCL - Maximum contiaminant level.
ND - Not detected at the reporting limit.
I ENEaCY LABORATOBIES, lNC. . 2393 Salt Creek Highway (82601) ' PO. aox 3258 ' Casper; WY 82602
TollFree888.235.0515 , 307.235.0515 . Fax [phone] , [e-mail]'wwwenergylab.con
I
I
I
Client:
Proiect:
Lab lD:
Client Sample lD;
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-002
TW4-1
Report Date: 09/26/08
Gollec{ion Dats: 09/1 0/00 12:48
DateRecslved: 091 12108
Matrir: Aqueous
Result Units Qualifiers RL
MCUQCL Method tuialysis Date / By
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MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATTLE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Metrylene chloride
Surr: 1,2-Dichlorobenzene-d4
Sun: Dibromofl uoromethane
Sur: p-Bromofl uorobenzene
Surr: Toluen+d8
1
0.05
35 mS/L
8.15 mg/L
A4500-ct B
E353.2
SW82608
sw8260B
SW826OB
sw8260B
SW8260B
09/16/08 08:42 / sp
0911710815:53 / eli-b
09/17108 09iAZ I ik
09/17108 01i34 I itr
09/1 7/08 09:02 / jlr
09/17108 09:02 / jlr
09/17108 09:02 / jlr
09117108 09:02 I jlr
09/17108 09:02 / jlr
09/1 7/08 09:02 / Jlr
1.3 ug/L
1700 udL D
ND ug/L
ND uS/L
103 ToREC116 %REC
100 %REC
100 %REC
1.0
100
1.0
1.0
80-120
70-130
80-120
80-120
sw8260B
sw8260B
SW826OB
I
t
t
Roport
DefinlUons:
RL - Analyte reporting limit.
QCL - Quality control limit.
D - RL increased due to sample matrix interference.
MCL - Maximum contaminant lovol.
ND - Not detected at the reporting limit.
I ENERQY LABORA\ORES, lNC. , 2393 Salt Creek Highway (8260t)' PO. Box 3258 ' Caspet WY82602
To11 Free888.235.0515 . 307.235.0515 . Fax [phone] ' [e-mail]'www:energylab,com
I
I Glient:
Prolect:
Lab lD:
Cllent Sample lD:
LABORATORY AIIALYTICAL REPORT
Denison Mines (USA) CorP
3rd Quarter Chloroform
c08090521-003
TW4-2
Report Date: 09/26/08
Collectlon Date: 09/10/08 13:03
DateReceivedr 09/12108
Matrix: Aqueous
I
Analyses Result Units Qualifiers RL
MCUQCL Method Analysis Date / By
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MA.'OR IONS
Chloride
Nitrogen, Nitrato+Nihite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Sur: 1,2-Dichlorobenzene-d4
Surr: p-Bromofl uorobenzene
Surr: ToluenedS
1
0.05
42 mg/L
7.10 mg/L
A4500-Cl B
E353.2
sw8260B
sw8260B
SW8260B
SW8260B
sw8260B
sw8260B
09/16/08 08:43 / sp
09/17108 16:01 / eli-b
09/17108 07;00 /jlr
0911710802:14 ljlr
09/17108 07:00 / jlr
09/17108 07:00 / jlr
09/1 7/08 07:00 / llr
09/17108 07:00 I jk
2.4
2800
ND
ND
104
113
100
100
ugiL
ug/L
ug/L
ug/L
%REC
%REC
%REC
%REC
1.0
100
1.0
1.0
80-120
70-130
80-120
80-120
SW8260B 09/17108 07:00 / jlr
Sw8260B 09/17108 07:00 / ilr
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I
Report
Definitlone:
RL - Analyte reporting limit.
QCL - Quality control limit.
D - RL increased due to sample matrix interference.
MCL - Maimum contaminant level.
ND - Not detected at the reporting limit.
I ENERGY LABOBATORIES, lNC. . 2393 Salt Creek Highway (82601) ' PO. gox 3258 ' Caspet WY82602
TotlFree888.235.0515 , 307.235.0515 . Fax [phone] ' [e-mail]'www.energylab.com
I
I
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Cllent:
Project:
Lab lD:
Client Sample lD:
LABORATORY AT.IALYTI CAL RE PORT
Denison Mines (USA) Corp
3rd Ouarter Chloroform
c08090521{04
TW4-3
Report Date: 09/26/08
Collection Date: 09/10/08 13:09
DateRecalved : O9112108
Matrlx: Aqueous
Result Units Qualifiers RL
MGUOCL Method Analteis Date I By
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MA.'OR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachlodde
Chloroform
Chloromethane
Methylene chloride
Sutr: 1,2-Dichlorobenzene-d4
Surr: Oibromofl uoromethane
Sur: p-Bromoffuorobenzene
Surr: ToluonedS
1
0.05
19 mdL
2.66 mdL
A4500-Cl B
E353.2
sw82608
sw8260B
SW8260B
SW8260B
sw82608
sw8260B
SW826OB
sw8260B
09/16/08 08:46 / sp
09/17108 16:03 / eli-b
09117108 02:56 / jlr
09/17108 02:56 /jlr
09117lAA 02:56 / jlr
osl17l08 02:56 / jlr
09/17108 02:56 / jlr
09/17108 02:56 / jlr
0911710802:56 litr
09/1 7/08 02:56 / jlr
ND
NO
ND
ND
103
111
100
100
udL
udL
uS/L
udL
%REC
%REC
%REC
%REC
1.0
1.0
1.0
1.0
80-120
70-130
80-120
80-120
Roport
Definitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
I
I
I ENEBGY LAAORATOBEi NC. . 2393 Salt Creek Highway (8260t) ' PO. Box 3258 ' Casper, WY 82602
To/1 Free888.235.0515 . 307.235.0515 . Fax [phone] ' casper@energylab,com'www:energylab.com
I
I
t
Client:
Project:
Lab lD:
Cllent Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-005
TW4*4
Report Date: 09/26/08
Collec'tlon Date: 09/10/08 09:53
DateReceivedz 09112108
Matrix: Aqueous
Result Units Qualifiers RL
MCUQCL Method Analyslr Date / By
I
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MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: Dibromofluoromethane
Surr: p-Bromofluorobenzone
Surr ToluenedS
1
0.05
39 ms/L
8.83 mg/L
A4500-cl B
E353.2
sw8260B
sw8260B
swE260B
sw8260B
sw8260B
sw8260B
SW82608
sw8260B
09/1d08 08:47 / sp
09/17l0E 16:04/ eli-b
0911710809:42 litr
09/1 7/08 03:36 / jlr
09/17108 09:42 I ilr
o9/17t08 09"42 l itr
0911710809:42 lilr
09/17108 09i42 I ik
0911710809i42 I jn
09t1710809:42 litr
1.4
2200
ND
ND
't04
113
102
98.0
ug/L
uS/L
ug/L
ug/L
%REC
%REC
o/oREC
%REC
1.0
100
1.0
1.0
80-120
70-130
80-120
80-120
I
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I
Report
Definitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
D . RL increased due to sample matrix inlerference.
MCL - Maimum contaminant lovol,
ND - Not detected at the repodng limit.
I ENERCY LABORATORIES, lNC. . 2393 Salt Creek Highway (52601) ' P.O. gox 3258 ' Caspei WY 82602
ToltFree888.235.0515 . 307.235.0515 , Fax [phone]i9 ' [e-mail]'www.energylab.com
I
I Client:
Project:
Lab lD:
Cllent Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) CorP
3rd Quarter Chloroform
c08090521-006
TW4-5
Report Date: 09/26/08
Collection Date: 09/10/08 10:33
DateReceived: 09112108
Matrix: Aqueous
Analyeis Date / By
MCU
OCL Method
I
I
Result Units Qualifiers RL
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitdte as N
VOLANLE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Mettrylene chlodde
Surr: 1,2-Dichlorobenzene-d4
Surr: Dibromofl uoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluened8
1
0.05
34 mg/L
7.91 mg/L
A4500-Cr B
E353.2
09/16/08 08:50 / sp
0911710816:05 / eli-b
09/t710804:17 ljlr
0911710804:17 litr
09|1710804:17 ljtr
09117108 04:17 I jk
0911710804:17 lilr
0911710804:17 ljtr
091'1710804:.17 ljlr
09117108 04:17 I ik
sw8260B
SW8260B
SWE2608
sw82608
SW82608
sw8260B
SW82608
sw8260B
ND
11
ND
ND
104
118
100
99.0
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ug/L
ug/L
uS/L
ug/L
%REC
%REC
%REC
%REC
1.0
1.0
1.0
1.0
80-120
70-130
80-120
80-120
I
T
Report
Definitlons:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
I ENERGY LABORATOBIES, lNC. ' 2393 Salt Creek Highway (82601) ' PO. Box 3258 ' Caspet lW 82602
To/l Free888.235.0515 . 3A7.235.0515 , Fax e07,234.1639 ' [e-mail]'www.energylab.com
I
I
T
Client:
Project:
Lab lD:
Client Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) CorP
3rd Quarter Chloroform
c08090521-007
TW4-6
Report Date: 09/26/08
collectlon Date: 09/10/08 09:43
DateRecoived: 091 12108
Matrix: Aqueous
Result Units Qualifiers RL
MCU
QCL Method Analysls Oate I By
I
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MAJOR IONS
Chloride
Nitrogen, Nitrate+Nittite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachlofide
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzened4
Sur: Dibromofl uoromelhane
Surr: p-Bromofl uorobenzene
Surr: Toluene-d8
1
0.05
35 mS/L
1.14 mglL
A4500-Ct B
E353.2
sw8260B
sw8260B
sw8260B
sw8260B
sw8260B
SW82608
sw8260B
SW8260B
09/16/0E 08:55 / sp
09/17108 16:06 / eli-b
09/17108 04:57 I llr
0911710804:57 lji
091171080457 lil(
09117108 04:57 I jtr
09/17108 04:57 I jlr
09/17108 04:57 I itr
091'1710804:57 lilr
09/17108 04:57 / ilr
ND
39
NO
ND
106
118
142
99.0
udL
uS/L
ug/L
ug/L
%REC
%REC
%REC
%REC
1.0
1.0
1.0
1.0
80-120
70-130
80-120
80-120
I
I
Report
Oefinitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
I ENERGY LABORATORIE$ lNC. ' 2393 Salt Creek Highway (82601)' PO. Box 3258 ' Caspet; WY 82602
Toll Free 888.235.0515 , 307.235.0515 ' Fax [phone] ' [e-mail] ' www.energylab.com
I
I
I
Client:
Project:
Lab lD:
Gllent Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-008
TW4-7
Report Date:
Collection Date:
DateReceived:
Matrlx:
09/26/08
09/10/08 12:40
ogt12t08
Aqueous
Result Units Qualifiers RL
MCUQCL Method AnallBis Date / By
I
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T
I
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I
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I
I
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I
MA'OR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzen+d4
Surr: Dibromofluoromethane
Surr: p-Bromofl uorobenzene
Surr: ToluenedS
I
0.05
35 mg/L
4.16 mg/L
A4s00-cl B
E353.2
sw8260B
sw8260B
SW82608
sw8260B
sw8260B
sw8260B
sw82608
sw8260B
09/16/08 08:57 / sp
09/17108 16:18 / eli-b
0911710810:21 ljtr
0S/17108 05:38 /jlr
09117108 10:21 lik
09117108 10:21 lilr
09/17108 10i21 I in
09117108 1o:2't lji
Ogl17l08 10121 ljh
09/17108 10:21 ljlt
1.4
1600
ND
ND
102
108
101
98.0
ug/L
ug/L
ug/L
ug/L
%REC
%REC
%REC
%REC
1.0
100
1.0
1.0
80-120
70-130
80-120
80-120
I
I
I
Report
D,e finitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
D - RL increased due to sample matrix interference.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
ENERGY LABOBATOBES, INC- . 2393 Salt Creek Highway (82601) ' PO. aox 3258 ' Caspei WY 82602
Toll Free888.235.0515 . 307.235.0515 . Fax [phone] ' [e-mail]'wwwenergylab.com
Client:
Project:
Lab lD:
Client Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-009
TW4-8
Report Date: 09/26/08
collection Date: 09/10/08 12:55
DateRecelved : 091 12108
Matrix: Aqueous
Analyses Result Units Quallfiers RL
MCUQCL Method Analysls Date / By
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Meh/ene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: Dibromofl uoromethane
Sur: p-Bromofl uorobenzene
Surr: Toluen6dB
39 mdl
NO mg/L
1
0.05
1.0
1.0
1.0
1.0
80-120
70- t 30
80-120
80-120
sw8260B
sw82608
SW82608
sw8260B
SW826OB
sw8260B
SW8260B
SWB260B
A4500-Cl B 09/16/0E 06:59 / sp
E353.2 0911710816:19 / eli-b
ND ug/L
ND ug/L
ND udL
ND ug/L
104 %REC
118 %REC
1OO %REC
100 %REC
09/1 7/08 06:1 I / jlr
09/17108 06:19 i jlr
09/1 7/08 06:1 9 / jlr
09/1 7/08 06:1 9 / jlr
09/1 7/08 06:19 / jlr
09/1 7/08 06:1 9 / jlr
09117108 06:19 / jlr
09/17108 06119 /jlr
Report
Dofinitionr:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maimum contamlnant level.
ND - Not detected at the reporting limit.
I ENERQY LAEORATOfrIEE lNC. . 2393 Salt Creek Highway (82601)' PO. Box 3258 ' Caspet WY82602
Toll Free 888.235.0515 . 307.235.0515 , Fax [phone] ' [e-mail]'tww.energylab.com
I
I
I
Cllent:
Prorect:
Lab lD:
Gllent Sample lD:
LABORATORY ATTIALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-010
TW4.9
ReportDate: 09/26/08
Collectlon Date: 09/10/08 10:40
DateReceived: 09/12108
Matrix: Aqueous
Result Units Qualifierg RL
MCUQCL Method tuialysis Date / By
I
I
I
I
I
I
I
I
I
I
I
I
MA.'OR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATTLE ORGANIC GOMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene.d4
Surr: Dibromofl uoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluene.dB
1
0.05
28 mdL
2.79 mg/L
A4500-Cl B
E353,2
09/16/08 09:06 / sp
09/17108 16:20 / eli-b
09/17108 16'.27 litr
09/17108 16:27 I ilr
09/17i08 16i27 I ilt
0S/17l08 16:27 I ilr
09/17108 16:27 I ttr
09/17108 16i27 I jtt
09/17108 16:27 I ilr
09117108 16:27 ljlr
ND
ND
ND
ND
98.0
102
105
96.0
ug/L
ug/L
ug/L
ug/L
%REC
%REC
%REC
%REC
1.0
1.0
1.0
1.0
80-120
70-130
8o-120
80-'t20
sw82608
sw8260B
SW6260B
sw8260B
SW826OB
sw8260B
sw8260B
SW82608
I
I
t
Report
Definitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the r€porting limit.
I ENEBOY LABORATOBES, lNC. ' 2393 Salt Creek Hishway (82601) ' PO. 9ox 3258 ' Caspet WY 82602
TollFree 888.235.0515 . 307.235.0515 . Fax [phone] ' [e-mail]' www.energylab.com
I
I
I
Client:
Project;
Lab lD:
Client Sample lD:
LABORATORY AIIALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-01 1
TW4-10
Report Date; 09/26108
Collectlon Date: 09/1 0/08 10:27
DateReceived: 09112108
Matrix: Aqueous
Result Unlts Qualifiers RL
MCUQCL Method Analysis Date / By
I
t
I
I
I
I
I
I
I
I
I
I
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzened4
Surr: Dibromofl uoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluen+d8
1
0.05
51 mg/L
9.23 mdL
A4500-Cl B
E353.2
09/16/08 10:10 / sp
09/17108 16:22 I eltb
09/18/08 04:27 litr
09/17108 17:04 lilr
09/1U08 04:27 ljlr
0911810804:27 litr
0911u0804:27 lilr
0911810804:27 litr
0911810804:27 litr
09/18/08 04:27 lilr
SW826OB
sw82608
SW82608
SW8260B
SW8260B
SW826OB
SW8260B
sw8260B
ND
680
ND
ND
102
1',t2
110
101
udL
ug/L
ug/L
UdL
%REC
%REC
ToREC
%REC
1.0
100
1.0
1.0
80-120
70-130
80-120
80-120
I
t
I
Report
Definitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
D - RL increased due to sample matrix interference.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
t ENEHGY LABORAfiORIES, lNC. . 2393 Salt Creek Highway (82601) . PO. Box 3258 ' Casper; WY 82602
follFree888.235.0515 , 307.235.0515 , Fax [phone] . [e-mail]. www.energylab.com
t
I
I
Glient:
Project:
Lab lD:
Client Sample lO:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-012
TW4-11
Report Date: 09/26/08
Collection Date: 09/10/08 10:48
DateRecelvedz 091 12108
Matrlx: Aqueous
Analyses Result Units Qualifiers RL
MCUQCL Mothod Analyris Date / By
I
t
I
I
t
I
t
I
I
I
I
I
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Sur: 1,2-Dichlorobenzened4
Surr: Dibromofl uoromethane
Surr: p-Bromofluorobenzene
Surr: Toluene{8
42 mS/L
7.93 mg/L
ND ug/L
900 ug/L
ND uS/L
ND ug/L104 %REC
101 %REC
106 %REC
95.0 %REC
1
0.05
1.0
100
1.0
1.0
80-120
70-130
8G120
80-120
A4500-Cl B
E353.2
SW8260B
SW8260B
sw8260B
SW826OB
SW826OB
SW826OB
SW8260B
sw82608
09/16/08 10:11 / sp
09/t7108 16:23 / eli-b
09/1U08 05:05 / jlr
0s/1708't7:42 lilr
09/1 8/08 05:05 / jlr
09/18/08 05:05 /jlr
09/181/08 05:05 / jlr
09/18/08 05:05 / llr
09/1 8/08 05:05 / jlr
09/18/08 05:05 /jlr
I
I
I
Report
Definitiong:
RL - Analle reporting limit.
QCL - Quality control limit.
D - RL Increased due to sample matrix interference.
MCL - Maximum contaminant level.
ND - Not detected at the repodng limit.
I EwEflGY LABOf,ATOEIES, lNC. . 2393 Salt Creek Highway (82601) ' P.O. Box 3258 ' Caspet WY 82602
To//Free888.235.0515 , 307.235.0515 . Fax [phone] ' [e-mail]'www.energylab.com
I
I
I
Glient:
Project:
Lab lD:
Client Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-013
TW+12
Report Date: 09/26i08
Collectlon Date: 09/10/08 09:14
DateRecelved : 091 1 2108
Matrix: Aqueous
Result Units Qualifiers RL
MCUOCL Method Analysis Date / By
I
I
I
I
I
I
t
I
I
I
I
I
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachlodde
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzened4
Surr: Dibromofl uoromethane
Surr: p-Bromofl uorobenzene
Surr: ToluenedS
1
0.05
18 mdL
2.65 mS/L
A4500-Ct B
E353.2
SW826OB
sw8260B
sw8260B
SW8260B
sw8260B
sw8260B
SW826OB
sw8260B
09/16/08 10:13 / sp
09/17108 16:24 I eh-b
0911710818:21 I jtr
09/17108 18:21 I jtr
09/17108 18:21 I jlr
09/17108 18:21 I ilr
0911710818i21 I ilt
09/17108 18:21 lilr
09/17108 18:21 I itr
09/17108 18:21 I ilr
ND
ND
ND
ND
102
101
99.0
99.0
ug/L
ug/L
ug/L
ug/L
%REC
%REC
%REC
%REC
1.0
1.0
1.0
1.0
80-120
70-130
80-120
80-120
I
I
I
Report
Oefinitions:
RL - Analyto reporting limit.
QCL - Quality control limit.
MCL - Maximum contiaminant level.
ND - Not detected at the reporting limit.
I ENERGY LABORATOBIES, lNC. , 2393 Salt Creek Highway (82601) ' PO. Box 3258 ' Casper; WY 82602
Toll Free 888.235.0515 , 307.235.0515 ' Fax [phone] ' [e-mail]' www.energylab.com
I
I
I
Client:
Proiect:
Lab lD:
Client Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-014
TW4-13
Report Date: 09/26/08
Collection Date: 09/10/08 09:21
DateReceived: 09112108
Matrix: Aqueous
Result Units Qualifiers RL
MCUQCL Method Analysls Date / By
I
I
I
I
I
I
I
I
I
I
I
T
MA.'OR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATI LE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Sur: 1,2-Dichlorobenzene{4
Surr: Oibromofl uoromethane
Surr: p-Bromoffuorobenzene
Sur: ToluenedS
1
0.05
50 mg/L
4.26 mg/L
A4500-el B
E353.2
sw82608
sw8260B
sw8260B
SW826OB
sw8260B
sw82608
SW8260B
SW8260B
09/16/08 10:14 / sp
09/17108 16:25 / eli-b
09/17108 19:00 /jlr
09/17108 19:00 / jlr
09/17108 '19:00 / jlr
Osl'17108 '19:00 / jlr
0911710819:00 / jlr
09/1 7/08 1 9:00 / llr
09i17/0E 19:00/ jlr
09/1 7/08 1 9:00 / jlr
ND
ND
ND
ND
98.0
107
105
'102
ug/L
ug/L
ug/L
ug/L
%REC
%REC
%REC
o/oREC
1.0
1.0
1.0
1.0
80-120
70-130
80.120
80-120
I
t
I
Report
Oefinitlons:
RL - Analyte repodng limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
I ENEBGY LABORATORIE, INC . 2393 Salt Creek Highway (82601)' PO. Box 3258 ' Casper WY82602
To//Free888.235.0515 . 3A7.235.0515 . Fax [phone] , [e-mail]'www.energylab.com
I
I Client:
Project:
Lab lD:
Client Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521 -01 5
TW4-14
Report Date: 09/26/08
Collectlon Date: 09/10/08 09:33
DateReceived: 09/12108
Matrix: Aqueous
I
Result Units Qualiflers RL
MCUQCL Method Analysis Date / By
I
I
I
I
I
I
t
T
T
I
I
I
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzened4
Surr: Dibromofl uoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluene-d8
1
0.05
34 mdL
1.36 mdL
A4500-Cl B
E353.2
sw8260B
SW826OB
sw8260B
sw8260B
sw8260B
sw8260B
sw8260B
sw8260B
09116/08 10:16 / sp
Ogl17lO816:26 / eli-b
09/17l0E 19:37 /jlr
09/17108't9:37 ljtr
09/17108 19:37/ jlr
09/17108't9:37 ljtr
09117108 19:37 / jlr
09117108 19:37 / jlr
09/17/08 19;37 /jlr
09,11710819i37 lilr
ND
ND
ND
ND
103
109
102
97.0
ug/L
uS/L
ug/L
ug/L
%REC
%REC
%REC
%REC
1.0
1.0
1.0
1.0
80-120
70-130
80-120
80-120
I
I
T
Roport
Oefinltions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contamlnant level.
ND - Not detected at the roporting limit.
I ENE&GY LABORATORIE/ lNC. ' 2393 Salt Creek Highway (8260/) ' PO. Box 3258 ' Caspet WY 82602
Toll Free 888.235.0515 , 307.235.0515 , Fax [phone] , [e-mail] , wwwenergylab.com
I
I
t
Glient:
Project:
Lab lD:
Client Sample lD:
LABORATORY AI.IALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-016
TW4-15
Report Date: 09/26/08
Collection Date: 09/10/08 13:28
DateReceived: 09/12108
Matrix: Aqueous
Result Units Qualifiers RL
MCUqCL Method Analysls Date / By
I
t
I
I
I
I
I
I
I
I
I
I
MAJOR IONS
Chloride
Nitrogen, NitratB+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Melhylone chloride
Surr: 1,2-Dictrlorobenzene-d4
Surr: Dibromofl uoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluen+dB
1
0.05
44 mg/L
0.24 mg/L
44500-Ct B
E353.2
sw8260B
sw8260B
SWE260B
sw8260B
SW82608
SW8260B
sw8260B
SW8260B
09/16/08 10:17 / sp
0S/1708 16:35 / eli-b
09/1 8/08 05:43 / jlr
0911710820:15 ljtr
09/181/08 05;43 / jlr
09/1 8/08 05:43 / jlr
09/1 8/08 05:43 / jk
09/1U08 05:43 / llr
09/18/08 05:43 /jlr
09/1 8/08 05:43 / jh
ND
630
ND
24
'100
114
102
102
ug/L
ug/L
ug/L
ug/L
%REC
%REC
%REC
%REC
1.0
100
1.0
1.0
80-1 20
70-130
80-120
80-120
I
I
I
Report
Definitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
D - RL increased due to sample matrix interference.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
ENERGY LABORATORIES, lNC. . 2393 Salt Creek Highway (82601)' PO. Box 3258 ' Caspet; W 82602
TollFree888.235.0515 . 307.235.0515 ' Fax [phone] . [e-mail], wwwenergylab.com
Client:
Project:
Lab lD:
Cllent Sample lD:
LABORATORY AT.IALYTICAL REP ORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-0't7
TW4-16
Report Date: 09/26/08
Colleetlon Date: 09/10/08 08:54
DateReceived : 091 12108
Matrk: Aqueous
Anallses Rosult Units Oualifiers RL Mothod Analysis Date / By
MCU
QCL
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tehachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Sun: Dibromofl uoromethane
Sun: p-Bromofl uorobenzene
Surr: Toluen+d8
71 mdL
10.5 mg/L
ND ug/L10 ug/L
NO uS/L
14 ug/L
101 %REC
102 %REC
108 %REC
103 %REC
1
0.05
1.0
1.0
1.0
1.0
80-120
70-1 30
80-120
80-120
A4500-Cl B 09/16i/08 10:19 / sp
E353.2 0911710816:36 / eli-b
SW82608
SW826OB
SW82608
SW82608
sw8260B
sw8260B
sw82608
sw8260B
09/1 8/08 00:39 / jlr
09/18/08 00:39 / jlr
09/1&08 00:39 / jlr
09/18U08 00:39 /jlr
09/18/08 00:39 /jlr
09/18l/08 00:39 / jlr
O9/18l/08 00:39 / jlr
09/181/08 00:39 / jlr
Repon
Deflnitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
I ENEEGY LABORATOPIES, lNC. . 2393 Salt Creek Highway (82601) , PO. qox 3258 ' Caspet; WY 82602
Toll Free 888,235.0515 . 307.235.0515 ' Fax [phone] ' [e-mail] ' r*vw:energylab.com
I
I
I
Client:
Project:
Lab lD:
Client Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-01 I
1\ t4-17
Report Date: 09/26/08
Collection Date: 09/10/08 13:54
DateReceived: 09/12108
Matrlx: Aqueous
Anallaes Rosult Units Qualifiers RL
MCUOCL Method Analysis Date / By
I
I
I
I
I
I
I
I
I
I
I
I
MA.'OR IONS
Chloride
Nitrogen, Nitrate+Nifite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetradrloride
Chloroform
Chloromethane
Methylene chlodde
Surr: 1,2-Dichlorobenzened4
Surr: Dibromofl uoromethane
Surr: p-Bromofluorobenzene
Surr: Toluen+d8
1
0.05
30 mg/L
ND mg/L
A4500-Cr B
E353.2
swe260B
SW826OB
sw8260B
sw82608
sw8260B
sw8260B
SW826OB
sw8260B
09/16/08 10:20 / sp
0911710816:37 / eli-b
09/1&08 01:17 I jtr
09/1U08 01:17 / jlr
09/1&08 01:17 / jlr
09/18/08 01117 I ik
09/1&08 01:17 litr
09/1ry08 01:17 l1k
09/181/08 01:17 / jlr
09/18/08 01:17 /jlr
ND
ND
ND
ND
99.0
98.0
102
105
udL
udL
uS/L
ug/L
%REC
%REC
%REC
%REC
1.0
1.0
1.0
1.0
80-120
70-'t30
80-120
80-120
I
I
I
Report
Dofinitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detocted at the reporting limit.
I ENERGY LABORATOHES, lNC. . 2393 Salt Creek Highway (82601) , P.O. 9ox 3258 . Caspe, W 82602
Toll Free888.235.0515 ' 307.235.0515 ' Fax [phone] ' [e-mail]. wwwenergylab.com
I
I
I
Client:
ProJect:
Lab ID:
Client Sample lD:
LABORATORY AITIALYTICAL RE PORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-019
TW4-18
Report Date: 09/26/08
Collection Date: 09/10/08 08:23
DateRecelved: 091 12108
Matrix: Aqueous
Analyses Result Unlts Qualifiers RL
ucu
OCL lllethod Analysis Date / By
mg/L
mg/L
I
I
I
I
I
I
I
I
I
I
I
I
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: Dibromofluoromethane
Sun: p-Bromofl uorobenzene
Surr: Toluene-d8
26
4.86
1
0.05
1.0
1.0
1.0
1.0
80-120
70-1 30
80-120
80-'t20
A4500-Cl B 09/16/08 10:221 sp
E353.2 09/17108 16:38/ eli-b
ND ug/L
8.0 ug/L
ND ug/L
ND ug/L
107 %REC
108 %REC109 %REC
96.0 %REC
SW826OB
sw82608
SW8260B
SW826OB
sw8260B
SW82608
sw8260B
sw8260B
09/1 8il08 01:55 / jlr
09/18/08 01:55 / jlr
09/18/08 01:55 / jlr
09/18/08 01:55 /.ilr
09/1U08 01:55 /,ilr
09/1&08 01:55 / jlr
09/1 8/08 01 :55 / jlr
09/1U08 01:5s i jlr
I
t
I
Report
Definitions:
RL - Analyte reporting limit.
QCL - Quality conhol limit.
MCL - Maximum contaminant levol.
ND - Not detected at the reporting limit.
I ENEBGY L/|BOBATOR1ES, tNC. . 2393 Salt Creek Highway (82601) ' PO. Box 3258 ' Caspei WY 82602
TottFree888.235.0515 . 307.235.0515 . Fax [phone] . [e-mail]'wwwenergylab.com
I
I Client:
Project:
Lab lD:
Client Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-020
TW4-19
Report Date: 09/26108
Collectlon Date: 09/10/08'14:'15
DateReceived: 09/12108
Matrix: AqueousI
Result Units Qualifierc RL
MCU
QCL Method Analpls Oate / By
I
I
t
I
I
I
I
I
I
I
I
I
MAIOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: p-Bromofl uorobenzene
Surr: ToluenedS
1
0.05
'113 mg/L
36.2 mg/L
A4500-Cl B
E353.2
09/16/08 10:23 / sp
09/18/08 07:42 / eli-b
09/18/08 06:21 I jtr
09/18/08 02:33 I itr
09/18/08 06:21 /jlr
09/18/0806:21 /jlr
09/18/08 06i21 lji
09/18U08 o6i21 I ih
09/1€U08 OOi21 ljl(
09/18/08 06:21 / jlr
8.6
3600
ND
ND
95.0
110
98.0
102
ug/L
ug/L
ug/L
ug/L
%REC
%REC
%REC
%REC
1.0
100
1.0
1.0
80-120
70-130
80-120
80-120
SW826OB
SW82608
SW826OB
SW8260B
SW8260B
sw8260B
SW8260B
sw8260B
I
I
I
Roport
Definitions:
RL - Analyte reportlng limit.
OCL - Quality control limit.
O - RL increased due to sample matrix interference.
MCL - Maximum conhaminant level.
ND - Not detected at the reporting limit.
ENERGY LAAOfrATOR1ES, lNC. . 2393 Salt Creek Highway (82601) ' PO. 1ox 3258 ' Caspet WY 82602
To11 Free888.235.0515 . 307.235.0515 . Fax [phone] ' [e-mail]'www.energylab.com
Client:
Project:
Lab lD:
Client Sample lD:
LABORATORY ANAYTICAL REPORT
Denison Mines (USA) CorP
3rd Quarter Chloroform
c08090521-021
TW4-20
Report Date: 09/26/08
Gollection Date; 09/10/08 13:37
DateReceived: 09/12108
Matrix: Aqueous
Analyses Result Units Ouallfiers RL
MCUQCL Method Analysis Date I By
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: Dibromofl uoromethane
Surr; p-Bromofl uorobenzene
Surr: ToluenedB
156
4.44
ms/L
mg/L
1
0.05
1.0
1000
1.0
1.0
80-120
70-130
80-120
80-120
SW8260B
SW826OB
SW8260B
SW82608
SW82608
SW826OB
sw8260B
sw8260B
A4500-Cl B 09/16/08 10:37 / sp
E353.2 09/17108 16:41 / eli-b
15 ug/L
21000 udL
ND udL
3.7 uS/L
100 %REC
102 %REC
101 %REC100 %REC
09/19/08 20:14 /jlr
09/19/08 19:35 /jlr
09/19/08 20:14 / jlr
09/19/08 20:'14litr
09/19/08 20"14 l itr
09/19/08 20:14 /jlr
09/19/08 20:14 I ilr
09/19/08 20:14 t in
Repod
Definitions:
RL - Analyte reporting limit.
QGL - Quality control lirnit.
D - RL increased due to sample matrix interference.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit,
ENEBGY LABOfrATOBIES, lNC. ' 2393 Salt Creek Highway (8260/) ' P.O. 9ox 3258 ' Casper WY 82602
TollFree888.235.0515 ' 307.235.05/5 ' Fax [phone] ' [e-mail]'www.energylab.com
Client:
Project:
Lab lD:
Cllent Sample !D:
T.ABORATORY ANALYTI CAL RE PORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-022
TW4-21
Report Date: 09/26108
Collection Date: 09/10/08 08:14
DateReceived: 09112108
Matrix: Aqueous
Analpee Result Units Qualifiers RL Method Analysis Date / By
MCU
QCL
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Sun: Dibromofluoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluene-d8
244
7.57
mg/L
mg/L
1
0.05
1.0
'10
1.0
1.0
80-120
70-130
80-120
80-120
SW8260B
SW826OB
SW8260B
sw82608
sw8260B
SW82608
SW82608
SW82608
A4500-Cl B 09/16/08 10:44lsp
E353.2 09/18/08 07:43 / eli-b
1.6 ug/L
12O ug/L
NO ug/L
ND ug/L
101 %REC
110 %REC
98.0 70REC
101 %REC
09/'18/08 06:58 / jlr
09/18/08 03:1'l / jlr
09/18/08 06:sB /jlr
09/18/08 06:58 / jlr
09/18/08 06:58 / jlr
09/18/08 06:58 /jlr
09/1 8/08 06:58 / jlr
09/1 8/08 06:58 / jlr
Report
Definitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
D - RL increased due to sample matrix interference.
MCL - Maimum contaminant level.
ND - Not detected at the reporting limit.
T ENERCY LABORATORIEA NC. . 2393 Salt Creek Highway (82601) ' PO. Box 3258 ' Caspet; WY 82602
TollFree888.235.05l5 . 307.235.0515 , Fax [phone] ' [e-mail]'www.energylab.com
I
I
I
Client:
Project:
Lab lD:
Cllent Sample lD:
I.ABOMTORY A}IALYTICAL REP O RT
Denison Mines (USA) Corp
3rd Ouarter Chloroform
c08090521-023
TW4-22
Report Date: 09/26/08
Gollection Date: 09/10/08 08:44
DateRecelved: O9l12lOB
Matrix: Aqueous
Analyses Result Units Quallfiers RL
MCUOCL Mothod tuialysls Date I By
mg/L
mg/L
I
I
I
I
I
I
I
I
I
I
I
I
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNOS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene{4
Surr: Dibromofluoromethane
Surr: p-Bromofluorobenzene
Surr: ToluenedS
524
38.7
1
0.05
1.0
100
1.0
1.0
80-120
70-130
80-120
80-120
A4500-Cl B 09/16/08 10:57 / sp
E353.2 09/17108 16:43 / eli-b
1.3 ug/L
6300 ug/L
ND udL
ND ug/L
105 %REC
121 %REC102 o/.REC
101 %REC
sw8260B
sw82608
sw82608
SW826OB
SW826OB
SW82608
sw8260B
sw8260B
09/20/08 05:29 I jtr
09/19/08 23:3't ljlr
09/20/08 05:29 / jlr
09/20/08 05:29 ljlr
09/20/08 05:29 / llr
09/20/08 05.29 l it
09/20/08 05:29 / ilr
09/20/08 05:29 / jlr
I
I
I
Report
Definitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
D - RL increased due to sample matrix interference.
MCL - Maximum @ntaminant level.
ND - Not detected at the reporting limit.
I ENEBGY LABORATORIEE lNC. . 2393 Salt Creek Hishway (82601) ' P.O. Box 3258 ' Caspet WY 82602
Tolt Free 888.235.0515 . 307.235.0515 . Fax [phone] , [e-mail]' www.energylab.com
I
I
I
Client:
Project:
Lab lD:
Cllent Sample lO:
LABORATORY AI{ALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-024
TW4-23
Report Date: 09/26/08
Collectlon Date: 09/10/08 09:02
DateReceived: 09/12108
Matrix: Aqueous
Analyses Result Units Qualifierg RL
MCU
QCL Msthod Analysis Date / By
I
I
I
I
I
I
t
I
I
I
I
I
MA.'OR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: Oibromofl uoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluen+d8
35
ND
mg/L
ms/L
NO ug/L
ND ug/L
ND ug/L
ND ug/L
102 %REC109 %REC
100 %REC
100 %REC
1
0.05
1.0
1.0
1.0
1.0
80-120
70-130
80-120
80-1 20
sw8260B
sw8260B
sw8260B
SW8260B
SW82608
sw8260B
sw8260B
SW8260B
A4500-Cl B 09/16/08 10:59/sp
E353.2 09/18/08 07;44 / eli-b
09/20/08 00:10 / llr
09/20/08 00:10 / jlr
09/20/08 00:10 / jlr
09/20108 00:10 / jlr
09/20/08 00:10 /jlr
09/20/08 00:10 /jlr
09/20/08 00:10 / jk
09/20/08 00:10 / jlr
I
I
T
Report
Daflnitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit"
I ENEaGY LABORATORIES, lNC. ' 2393 Salt Creek Highway (82601) ' P.O. Box 3258 ' Casper, WY 82602
Toll Free888.235.05/5 . 307.235,0515 . Fax [phone] , [e-mail]'www.energylab.com
I
I Glient:
Project:
Lab lD:
Cllent Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) CorP
3rd Quarter Ghloroform
c08090521-025
TW4-24
Report Date: 09/26/08
Collec{ion Date: 09/10/08 08:34
DateRecelved: 09/12108
Matrk: Aqueous
I
Analytses Result Units Qualifiers RL
MCUQCL Method Analysis Date / By
mg/L
mg/L
I
I
t
I
I
I
I
I
t
I
I
I
MA.JOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOI.-ATILE ORGANIC COMPOU NDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzen+d4
Surr: Oibromofluoromethane
Surr: p-Bromofl uorobenzene
Sur: Toluene-d8
1 180
38.4
1
0.05
1.0
1.0
1.0
1.0
80-120
70-1 30
80-120
80-'t20
A4500-Cl B 09/16/08 11:0'l / sp
E353.2 09/18/08 07:45 / eli-b
ND ug/L2.9 udL
ND ug/L
ND ug/L
103 %REC
116 %REC100 o/.REC
101 o/.REC
SW826OB
SW82608
SW826OB
SW826OB
sw8260B
sw82608
SW826OB
sw8260B
09/20108 00:50 / jlr
09120108 00:50 / jlr
09/20/08 00:50 / jlr
09/20108 00;50 / jlr
09/20/08 00:50 / llr
09/20/08 00:50 / jlr
09120108 00:50 / jlr
09/20/08 00:50 / jlr
I
I
I
Roport
Dsfinitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the raporting limit
I ENERGY LABOBATOBIES, lNC. ' 2393 Salt Creek Highway (82601) ' P.O. Box 3258 ' Caspet WY82602
TottFree88U.235.05l5 , 307.235.0515 , Fax [phone] ' [e-mail]'www.energylab.com
I
I
I
Client:
Project:
Lab lD:
Gllent Sample lD:
LABORATORY AT{ALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-026
TW4-25
Report Date: 09/26108
Gollection Date: 09/10/08 08:06
DateReceived: O9l 12108
Matrix: Aqueous
Result Units Qualifiers RL
MCUOCL Method Anallrsis Date / By
I
I
t
I
I
I
I
I
I
I
I
I
MA.JOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: Dibromofluoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluene-d8
1
0.05
333 mg/L
18.8 mg/L
A4500-cr B
E353.2
09/16/08 11:03 / sp
09/18/08 07:46 / eli-b
09/20/08 01:30 /jlr
09/20/08 01:30 / jlr
09/20108 01;30 / jlr
09/20/08 01:30 / jlr
09i20/08 01:30 / jlr
09/20/08 01:30 / jlr
09/20/08 01:30 / jlr
09/20/08 01:30 / jlr
sw8260B
SW826OB
sw8260B
sw8260B
sw8260B
sw8260B
SW8260B
sw8260B
ND
ND
ND
ND
102
109
't00
101
ug/L
ug/L
ug/L
uS/L
%REC
%REC
%REC
%REC
1.0
1.0
1.0
1.0
80-120
70-130
80-120
80-120
I
I
t
REport
Oefinitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maimum contaminant level.
ND - Not detected at the reporting limit.
I ENEBQT LABORATOBIES, lNC. , 2393 Salt Creek Highway (82601) ' P.O. Box 3258 ' Caspet; WY 82602
To/1Free888.235.0515 . 307.235.0515 . Fax [phone] ' [e-mail]'twvw,enerilab.com
I
I
I
Client:
Project:
Lab lD:
Client Sample lD:
LABORATORY ANALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-027
TW4-60
Report Date: 09/26/08
Gollection Date: 09/08/08 14:45
DateReceived: 09112108
Matrix: Aqueous
Analyses Result Units Oualifiers RL Method Analpis Date / BY
MCU
QCL
I
t
I
I
I
I
t
t
I
t
I
I
MA.JOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATTLE ORGANIC COMPOUNDS
Carbon tetrachlodde
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: p-Bromofl uorobenzene
Surr: ToluenadS
I
0.05
ND mg/L
ND mg/L
A4500-Cl B 09/16/08 11:05/sp
E353.2 0911710816:55 / eli-b
SW8260B 09/20/08 02:09 / jlr
Sw8260B 09/20/08 02:09 / jlr
SW8260B 09120/08 02:09 / jlr
SW8260B 09/20/08 02:09 / jlr
SW8260B 09/20/08 02:09 / jlr
SW8260B 09/20/08 02:09 /,ilr
SW8260B 09/20/0E 02:09 / jlr
SW8260B 09/20/08 02:09 / jlr
ND
3.0
ND
ND
104
115
98.0
102
ug/L
ug/L
ug/L
ug/L
%REC
%REC
%REC
%REC
1.0
1.0
1.0
1.0
80-120
70-130
80-120
80-120
I
I
I
Report
Definitions:
RL - Analyte reportlng limit.
QCL - Quality control lirnit.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
I ENEBQY LAAOPATORIEi lNC. . 2393 Salt Creek Highway (82601) ' PO. qox 3258 ' Caspet WY 82602
To11 Free888.235.0515 . 307.235.0515 . Fax [phone] ' [e-mail]'www:energylab.com
I
I
I
Client;
Proj6ct:
Lab lD:
Gllent Sample lD:
LABORATORY AI.IALYTICAL REPORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-028
TW4-63
Report Date: 09/26/08
Colleclion Date: 09/08/08 1 5:21
DateReceived : 091 121 08
Matrix: Aqueous
Result Units Qualifiers RL
ircu
QCL lilethod Analysls Date / By
I
I
I
I
I
t
I
I
I
I
I
I
MA.'OR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: Dibromofluoromethane
Surr: p-Bromofl uorobenzene
Sur: Toluen+d8
1
0.05
ND mg/L
ND mg/L
A4500-cr B
E353.2
09/16/08 11:06/sp
09/'17108 16:56 / eli-b
09/20/08 02:50 / jlr
09/20/08 02:50 / ilr
09/20/08 02:50 t itr
0912010802:50 I ilr
09/20/08 02:50 / jlr
0SI2UAB 02:50 / jlr
09/20/08 02:50 / jlr
09/20/08 02:50 / jlr
SW82608
sw8260B
sw8260B
SW82608
sw8260B
sw8260B
sw8260B
sw8260B
ND
't5
ND
ND
104
108
102
101
ug/L
ug/L
ug/L
ug/L
%REC
ToREC
ToREC
%REC
1.0
1.0
't.0
1.0
80-120
70-130
80-120
E0-120
I
I
T
Report
D,eflnitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
I ENEBGY LAAOfrATORIES, lNC. . 2393 Salt Creek Highway (82601) ' P.O. 9ox 3258 ' Caspe4 WY 82602
To//Free888.235.0515 . 307.235.0515 . Fax [phone] ' [e-mail]'wvw.energylab.com
I
I
I
Client:
Project:
Lab lD:
Client Sample
LABORATORY A].IALYTICAL RE PORT
Denison Mines (USA) CorP
3rd Quarter Chloroform
c08090s21-029
lD: TW4-65
Report Date: 09/26/08
Collection Date: 09/10/08 13:09
DateReceived: 09112108
Matrlx: Aqueous
Result Units Qualifiers RL
MCUQCL Method Analysis Date / By
I
I
I
I
I
I
I
I
I
I
I
I
MAJOR IONS
Chloride
Nikogen, Nitrate+Nibite as N
VOLAT]LE ORGANIC COMPOUNDS
Carbon tetrachlodde
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: Dibromofl uoromethane
Surr: p-Bromofluorobenzene
Surr: Toluene'd8
1
0.05
18 mg/L
2.72 ms/L
A4500-Ct B
E353.2
09/16/08 11:08 / sp
09/17108 16:57 / eli-b
09/20/08 03:29 / jlr
09/20/08 03:29 / jlr
09/20/08 03:29 / jlr
09/20/08 03:29 / ilr
09/20/08 03:29 / jlr
09/20/08 03:29 / llr
09/20/08 03:29 / jlr
09/20/08 03:29 I jlr
sw8260B
SW826OB
sw8260B
sw8260B
SW826OB
SW826OB
sw8260B
sw82608
ND
ND
ND
ND
106
117
100
101
ug/L
ug/L
ug/L
ug/L
%REC
%REC
%REC
%REC
1.0
1.0
1.0
1.0
80-120
70-130
80.120
80-120
I
I
I
Report
Definitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maximum contaminant level.
ND - Not detected at the reporting limit.
T ENEBGY LAEORATORIES, lNC. . 2393 Salt Creek Highway (82601) ' PO. 9ox 3258 ' Caspet WY 82602
To/1 Free88U.235.0515 . 307.235.0515 . Fax 307.2A.1639 ' [e-mail]'www.energylab.com
t
I
I
Client:
Project:
Lab lD:
Client Sample lD:
LABORATORY AI.IALYT! CAL REP ORT
Denison Mines (USA) Corp
3rd Quarter Chloroform
c08090521-030
TW4-70
Report Date: 09/26/08
Gollectlon Date: 09/10/08 13:54
DateRecelved : 091'12108
Matrlx: Aqueous
Analt/ses Result Units Qualifiers RL
MCUQCL Method Analtsls Date / By
mdL
mg/L
I
I
T
I
I
I
I
I
I
t
I
I
MA'OR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Mehylene chloride
Surr: 1,2-Oichlorobenzene-d4
Surr: Dibromofluoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluened8
31
ND
ND ug/L
ND ug/L
ND ug/L
ND ug/L
105 %REC
117 %REC
103 %REC
100 %REC
1
0.05
1.0
1.0
1.0
1.0
60.120
70-130
80-120
80.120
A4500-Cl B 09116/08 11:09/sp
E353.2 0911710816:59 / eli-b
SW8260B
SW826OB
SW826OB
sw8260B
sw8260B
SW826OB
sw8260B
sw8260B
09/20108 04:09 /jlr
0920/08 04:09 / jlr
09/20/08 04:09 / jlr
09/20/08 04:09 /jlr
09/20/08 04:09 / jlr
0S/20/08 04:09 / jlr
09/20/08 o4:09 / lrr
09/20/08 04:09 / jlr
I
I
I
Report
Definitions:
RL - Analyte reporting limit.
QCL - Quality control limit.
MCL - Maimum contaminant level.
ND - Not detected at the reporting limit.
I ENERcy LABOBATORIES, lilC. - 2393 Salt Creek Highway (8260t) ' PO. gox 3258 ' Caspet WY 82602
Toll Free888.235.0515 , 307.235.0515 . Fax [phone] ' [e-mail]'www.energylab.com
I
I
I
Client:
Project:
Lab lD:
Client Sample lD:
LABORATORY AI.IALYTICAL REPORT
Denison Mines (USA) CorP
3rd Quarter Chloroform
c08090521-031
TW+73
Report Date: 09/26/08
Collection Date: 09/09/08 15:55
DateRecelved: 09/1 2/08
Matrirc Aqueous
Result Units Qualifiers RL
MCU
QCL Method Analysis Date / By
t
I
I
I
I
I
I
I
I
I
I
I
MAJOR IONS
Chloride
Nitrogen, Nitrate+Nitrite as N
VOLATILE ORGANIC COMPOUNDS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: t,2-Dichlorobenzene.d4
Surr: Dibromofluoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluene-d8
1
0.05
ND mg/L
ND mdL
A4500-cl B
E353.2
SW826OB
SW8260B
sw8260B
sw8260B
SW826OB
sw8260B
sw8260B
sw8260B
09/16/08 11:30 / sp
09/17108 17100 / eli-b
09/20/08 04:49 I jtr
0912010804:49 lik
09/20/08 04:49 / ilr
09/20/08 04:49 / ilr
Ogl20l08 04;49 / jlr
09/20/08 04:49 / llr
09/20/08 04:49 / jlr
0912010804i49 litu
ND
11
ND
ND
103
115
100
100
ugiL
ug/L
ug/L
UdL
%REC
ToREC
%REC
%REC
'l.0
1.0
1.0
1.0
80-120
70-130
8&120
80-120
Report
Definitions:I
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QCL - Quality control limit.
MCL - Maimum contaminant level.
ND - Not detected at the reporting limit.
ENEBGT LABOBATORIES, lNC. , 2393 Salt Creek Highway (82601) ' P.O, qox 3258 ' Casper; WY 82602
T01tFree888,235.0515 . 307.235.0515 . Fax [phone] , [e-mail]'www:energylab.comt
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QA/QG Summary Report
Client Denison Mines (USA) CorP
Project: 3rd Quarter Chloroform
Report Date: 09/26/08
Work Order: C08090521
Method:
Sample lD:
Chloride
Sample lD:
Chlodde
Sample lD:
Chloride
Sample lD:
Chloride
Sample lD:
Chloride
Sample lD:
Chloride
Sample lD:
Chloride
Sample lD:
Chloride
M500-cl B
MBLK9-0809'|6A
c08090521-009AMS
c08090521.009AMSD
908090521-020AMS
C08090521-020AIrlSD
LCS3s-0809't6A
C06090521.030411,1S
c08090521.030AMSD
Method Blank
ND mg/L
Sample Matrix Spike
218 mS/L
Sample Matrix Spike Duplicate
219 mg/L
Sample Matrix Spike
287 mg/L
Sample Matrix Spike Duplicate
290 mgL
Laboratory Control Sample
3540 mgiL
Sample Matrix Spiko
105 mS/L
Sample Matrix Spike Duplicate
104 mg/L
1.2
101
102
't.0
1.0
1.0
1.0
Run: TITRATION_08091 6A
Run: TITRATION_0809164
90 110
Run: TITMTION_080916A
90 110
Run: TITMTION_0809164
90 110
Run: TITMTION_0809164
90 110
Run: TITMTION_080916A
90 110
Run: TITRATION_08091 6A
90 110
Run: TITMTION_O8O916A
90 110
09/16/08 08:35
09/16/08 09:12
09/16/08 09:12
10
09/16i08 10:28
09/16/08 10:29
10
09/16/08 10:30
09/1 6/08 1 1:1 1
0ShGl081'l:'12
10
100
100
104
0.7
1.0
1.0
Result Units RL %REC Low Limit High Llmlt RPD RPDLimit Qual
Batch: 0809 1 6A-CL-TTR-W
Method: E353.2
Sample l0: MBLK
Nltrogen, Nitrate+Nitrite as N
Sample lD: LFB
Nitrogen, Nitrate+Nikite as N
Sample lD: 808091361-011CMS
Nitrogen, Nitrate+Nitrite as N
Sample lD: 808091361-01lCMSD
Nitrogen, Nitrate+Nitrite as N
Sample lD: 80809136I1-003CMS
Nitrogen, Nitrate+Nitrite as N
Sample lD: 80809136rt-003CMSD
Nitrogen, Nitrate+Nitdte as N
Method Blank
ND mg/L
Laboratory Fortified Blank
0.989 mg/L
Sample Matrix Spike
1.33 mg/L
Sample Makix Spike Duplicate
1.33 mg/L
Sample Matrix Spike1.23 mg/L
Sample Matrix Spike Duplicate
1.26 mg/L
Run: SUB-8117626
Run: SUB-8117626
90 110
Run: SUB-8117626
90 110
Run: SUB-BI17626
90 110
Run: SUB-8117626
90 110
Run: SUB-BI17626
90 1to
Batch: B_Rl17626
09/17108 09:19
09/17108 09:20
09/17108 15:41
09/17108 15:43
10
09/17108 15:58
09/17108 15:59
10
0.002
0.050
0.050
0.050
0.050
0.050
101
0.5
107
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
ENEBoY LABORA|ORES, lNC. . 2393 Salt Creek Htghway (8260t) ' P.O. Box 3258 ' Casper, WY 82602
Toll Free 888.235.0515 . 307.235.0515 . Fax [phone] ' [e-mail] ' wwwenergylab.com
QA/QG Summary Report
Client Denison Mines (USA) CorP
Project 3rd Quarter Chloroform
Report Date: 09/26/08
Work Order: C08090521
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Methodl E353.2
Sample lO: MBLK
Nitrogen, Nitrate+Nitrite as N
Sample lD: LFB
Nitrogen, Nitrate+Nitrite as N
Sample lD: 80E091616001BMS
Nitrogen, Nitrate+Nitrite as N
Sample lD: 808091616-001BMSD
Nitrogen, Nitrate+Nitrite as N
Sample lD: B08091461-005CMS
Nitrogen, Nitrate+Nitrite as N
Sample lD: 808091,161-005CMSD
Nitrogen, Nitrate+Nitrite as N
Method Blank
ND mS/L
Laboratory Fortifi ed Blank
0.987 mglL
Sample Matrix Spike
2.30 mg/L
Sample Matrix Spike Duplicate
2.30 mg/L
Sample Matrix Spike
1.13 mdL
Sample Matrix Spike Duplicate
1.12 mdL
Run: SUB-81 17680
Run: SUB-8117680
90 110
Run: SUB-B117680
90 110
Run: SUB-8117680
90 110
Run: SUB-Bl'17680
90 110
Run: SUB-B117680
90 110
Batch: B_Rl 17680
09/18/08 07:29
09/18i08 07:30
09/18108 07:36
09/18/08 07:37
10
09/1 8l/08 07:52
09/18/08 07:54
10
0.002
0.050
0.050
0.050
0.050
0.050
0.3
1.1
99
98
101
100
Result Units RL ToREC Low Limit High Limit RPD RPDLimit Qual
Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
I ENERGY LABOBATOBES, lNC. . 2393 Sall Creek Highway (82601) . PO. gox 3258 ' Caspei WY82602
Toll Free888.235.0515 . 307.235.0515 , Fax [phone] , [e-mail]'www.energylab.com
80
70
80
80
70
80
80
99
97
98
100
128
105
90
g4
101
103
99
100
ND UdL
NO ug/L
ND udL
ND ug/L
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QA/QC Summary Report
Client: Denison Mines (USA) CorP
Project: 3rd Quarter Chloroform
Method: SW8260B
Sample lD: 16-Sep08-LGS-3
Carbon tetrachloride
Chloroform
Chloromethane
Mothylene chloride
Surr: 1,2-Oichlorobenzene{4
Surr: Dibromofl uoromethane
Surr: p-Bromofl uorobenzene
Surr: ToluenedS
Sample lD:'16-Sop-08-MBLK-6
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chlodde
Surr: 1.2-Dichlorobenzene{4
Surr: Dibromofluoromethane
Surr: p-Bromofluorobenzene
Surr: ToluenedB
Sample lD: C08090521-008CMS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surn 1,2-Dichlorobenzene-d4
Surc Dibromofluoromethane
Surr: p-Bromofl uorobenzene
Surr: ToluenedB
Sample lD: C08090521-008CMSD
Carbon tetrachloride
Chloroform
Chloromethane
Mehylene chloride
Surr: 1,2-Didrlorobenzene-d4
Surr: Dibromofluoromethane
Surr: p-8romofl uorobenzene
Surr: Toluene-d8
Report Date: 09/26/08
Work Order: C08090521
Laboratory Control Sample
10 ug/L
9.8 udL
9.9 ug/L
9.2 ug/L
Method Blank
Sample Matrix Spike
5000 ug/L
5E00 ug/L
1700 ug/L
1800 ug/L
Sample Matrix Spike Duplicate
5100 ug/L
5800 uS/L
1800 ug/L
1900 ugll
103 70
98 70
99 70
92 70
100 80
96 70
98 80
100 80
124 70
104 70
84 70
90 70
99 80
105 70
99 80
101 80
Run: GCMS2_0809168
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
Run: GCMS2 0809168 09/16/08 11:37
09/16/08 13:33
09/1 7/08 1 1:00
09/17108 1 1:38
20
20
20
20
10
10
10
10
130
130
130
130
124
130
130
120
120
130
120
120
Run: GCMS2 0809168
100
100
100
100
1.0
1.0
'1.0
1.0
100
100
100
100
1.0
1.0
1.0
1.0
130
130
130
130
120
130
120
120
Run: GCMS2 0809168
130
130
130
130
120
130
120
120
70
70
70
70
80
3
0.3
6
4.3
0
0
0
0
Result Units RL %REC Low Limit High Limit RPD RPDLlmit Qual
Batch: R107718
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Qualifiers:
RL - Analyte reporting limit.ND - Not detected at the reporting limit.
ENERGY LAAORATOBIEE lNC. . 2393 Salt Creek Highway (82601) ' PO. Box 3258 ' Caspec WY 82602
Toll Free 888.235.0515 , 307.235.0515 . Fax 307.2A.1639 ' [e-mail] ' www.energylab.com
QA/QC Summary Report
Client: Denison Mines (USA) CorP
Project: 3rd Quarter Chloroform
Method: swE260B
SamplelD: 09170E_LCS-3
Carbon tetrachloride
Chloroform
Chloromethane
Mehylene chloride
Surr: 1,2-Dichlorobenzened4
Surr: Dibromofl uoromethane
Surr: p-Bromofluorobenzene
Sun: ToluenedS
Sample lD: 091708_tlBLK_6
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Sun; 1,2-Dichlorobenzene-d4
Surr: p-Bromofl uorobenzene
Surr: Toluene-d8
Sample lD: C08090521.022CMS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,z-Dichlorobenzene.d4
Surr: Dibromofl uoromethane
Surr: p-Bromolluorobenzene
Surr: Toluene.dB
Sample !D: C08090521-022CMSD
Carbon tetrachloride
Chloroform
Chloromethane
Mehylene chloride
Surr: 1,2-Dichlorobenzene-d4
Surr: Dibromofluoromethane
Surr: p-Brornofl uorobenzene
Surr: Toluen+d8
Report Date: 09/26/08
Work Order: C08090521
Laboratory Control Sample
9.9 uS/L
8.9 ug/L
9.0 ug/L
8.7 ug/L
Method Blank
ND ug/L
ND ug/L
ND ug/L
ND ug/L
Sample Matrix Spike
230 ug/L
350 udL
180 ug/L190 ug/L
Sample Matrix Spike Ouplicate
200 ug/L
320 ug/L
190 ug/L
180 ug/L
Run: SATURNCA 0809174 09117108 11:41
09117/08 13:35
09/1 8/08 07:37
09/1&08 08:15
20
20
20
20
10
10
10
10
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
10
't0
10
10
1.0
1.0
't.0
1.0
10
10
10
10
1.0
1.0
1.0
1.0
Run: SATURNCA-080917A
98 80 120
105 70 130
93 80 120
94 80 120
Run: SATURNCA 080917A
99 70
8g 70
90 70
87 70
115 80
1M 70
114 80
98 80
't14 70
111 70
92 70
94 70
104 80
110 70
112 80
101 80
100 70
98 70
96 70
91 70
97 80
101 70
108 80
100 80
Run: SATURNCA_080917A
130
130
130
130
120
130
130
120
130
130
130
130
120
130
120
120
130
130
130
't30
120
130
120
'120
14
7.7
5.1
3.9
0
0
0
0
-"*,, , " RL %REC Low Limit Hlgh Limtt RPD RPDLimit Qual
Batch: R107771
Qualifiers:
RL - Analyte reporting limit.ND - Noi detected at the reporting limit.
I ENERGY LABOBA|OBES, lNC. ' 2393 Salt Creek Highway (82601) ' P.O. Box 3258 ' Caspet WY 82602
Toll Free 888.235.0515 . 307.235.0515 ' Fax [phone] ' [e-mail] ' www.energylab.com
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QA/QC Summary Report
Client: Denison Mines (USA) CorP
Project: 3rd Quarter Chloroform
swE260B
Sample lD: 19€ep-08-LCS-3
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzened4
Surr: Dibromofluoromelhane
Surr: p-Bromofluorobenzene
Surr: Toluen+d8
Sample lD: 19-Sop08-MBLK-6
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dlchlorobenzene-d4
Surr: Dibromofl uoromethane
Sur: p-Bromofl uorobenzene
Surr: Toluened8
Sample lD: C08090521-023CMS
Carbon tetrachloride
Chloroform
Chloromethane
Methylene chloride
Surr: 1,2-Dichlorobenzened4
Surr: Dibromofl uoromethane
Surr: p-Bromofl uorobenzene
Surr: Toluened8
Sample lD: C08090521-023CMSD
Carbon tetrachloride
Chloroform
Chloromethane
Mehylene chloride
Surr: 1,2-Dichlorobenzene.d4
Surr: Dibromofl uofomethane
Surr: p-Bromofl uorobenzene
Surr: Toluene-d8
Report Date: 09/26/08
Work Order: C08090521
Laboratory Control Sample
11 ug/L
9.7 ug/L
8.7 ug/L
8.6 ug/L
Method Blank
ND ug/L
ND ug/L
ND ug/L
ND ug/L
Sample Matrix Spike
2600 ug/L
8900 udL
1600 uS/L
2000 ugiL
Sample Matrix Spike Duplicate
2800 ug/L
8600 ug/L
1700 ug/L
2000 ugiL
Run: GCMS2_080919C 09/19/08 1 1;08
09/19/08 13:04
09/20/08 06:09
S
09/20/08 06:4920s
20
20
20
10
10
10
10
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
0.5
0.5
0.5
0.5
100
100
100
't00
1.0
1.0
1.0
1.0
100
100
't00
100
1.0
1.0
1.0
1.0
106
97
87
86
98
96
98
102
70
70
7A
70
80
70
80
80
130
130
130
130
120
130
130
120
Run: GCMS2_080919C
98 80
90 70
99 80
100 80
't32 70
130 70
82 70
99 70
103 80
110 70
99 80
103 80
138 70
114 70
87 70
98 70
103 80
109 7098 80
103 80
Run: GCMS2_080919C
120
130
120
120
Run: GCMS2_080919C
130
130
130
130
120
130
120
't20
130
130
130
130
120
130
120
120
4.1
3.7
5.7
0.8
0
0
0
0
Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual
Batch: R107935
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Qualifiers:
RL - Analyte reporting limit.
S - Spike recovery outside of advisory limits.
ND - Not detected at the reporting limit
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Workorder Receipt Checklist
Energy Laboratories lnc
Denison Mines (USA) Corp
Login completed by: Kimberly Humiston
Reviewed by:
Reviewed Date:
Shipping container/cooler in good condition?
Custody seals intact on shipping container/cooler?
Custody seals intact on sample bottles?
Chain of custody present?
Chaln of custody signed when relinquished and received?
Chain of custody agrees with sample labels?
Samples in proper container/bottle?
Sample containers intact?
Sufficient sample volume for indicated test?
All samples received within holding time?
Containerffemp Blank ternperature:
Water - VOA vials have zero headspace?
Water - pH acceptable upon receipt?
Date and Time Received:
Received by:
Carrier name:
ilililffiutiltiltffiillil|ffiffillx
c08090521
911212008 9:40 AM
KW
Next Day Air
Yes fl
ves fl
Yes !
Yes [J
Yes fl
Yes !
Yes [J
Yes fl
Yes [l
Yes [J
3'C On lce
Yes @
Yes [J
NoE
No fI
NoE
NoI
No!
No EI
Non
Non
NoD
No!
No fI
Non
Not Present E
Not Present I
Not Present [f
NoVOAvialssubmitted tr
NotApplicable D
Contact and Correclive Action Comments:
For samples TW4-60 and TW4-63 the bottles were labeled MW-60 and MW63. Logged samples per the Chain of
Custody ldentifications.
I ENERGY LABOBAnORES, lNC. . 2393 Salt Creek Highway (82601) ' PO. Box 3258 ' Caspet WY 82602
Tott Free 888.235.0515 , 307.235.0515 ' Fax 307.234. /639 ' [e-mail] ' www.energylab.com
t
I
CLIENT: Denison Mines (USA) CorP
Project: 3rd Quarter Chloroform
Sample Dellvery GrouP: C08090521
Dater 26-SeP-08
CASE NARRATIVE
I
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The foilowing Case Narrative contains exceptions or comments pertaining to the analysis of samples submitted by
Denison Minls (USA) Corp on 9I1U2AO8 09:40:00. These samples were assigned ELI Workorder Number
c08090s21.
COMMENT
Trip Blank lost due to instrument malfunction.
oRtGrML SAMPLE SUBMITTAL(S)
All original sample submittals have been returned with the data package'
SAMPLE TEMPERAIURE COMPLIANCE: 4"C (12"C)
Temperature of samples received may not be considered properly preserved by accepted standards. Samples that are hand
delivered immediateiy after collection shall be considerecl 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 wators. 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 retuming 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 ofcounting should not exceed I days.
SOIUSOLID SAMPLES
All samples reported on an as received basis unless otherwise indicated.
ATRAZINE, SIMAZINE AND PCB ANALYSIS USING EPA 505
Data for Atrazine and Simazine are reported from EPA 525.2, nol from EPA 505. Data reported by ELI using EPA method
505 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.
SUBCONTMCTING ANALYSIS
Subcontracting of sample analyses to an outside laboratory may be required, lf 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.
BMNCH LABOMTORY LOCATIONS
eli-b - Energy Laboratories, lnc. - Billings, MT
elig - Energy Laboratories, lnc, - Gillette, WY
eli-h - Energy Laboratories, lnc. - Helena, MT
eli-r - Energy Laboratories, lnc. - Rapid City, SD
eli-t - Energy Laboratories, lnc. - College Station, TX
CERTFICATIONS:
USEPA: WY00002; FL-DOH NELAC: E87641: California: 02118CA
Oregon: WY200001 ; Utah: 307235051 5; Virginia: 00057; Washington: C1903
ISO 17025 DISCLAIMER:
The results of this Analytical Report relate only to the items submitted for analysis.
ENERGY LABORATORIES, lNC. - 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 sampte
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.
THIS IS THE FINAL PAGE OF THE LABORATORY ANALYTICAT REPORT
I
Page 1 of 1
Steve Landau
From: Steve Landau
Sent: Friday, November 28,2008 5:09 PM
To: 'Dane FinerfrocK
Subject: 3rd Quarter, 2008 Cloroform CSV Report
Attachments: C08090521 .csv
Dear Mr. Finerfrock,
Attached to this email is an electronic copy of all laboratory results for chloroform monitoring conducted during the
3rd Quarter, 2008, in Comma Separated Value (CSV) format.
Yours truly,
Steven D. Landau
ry28t2008
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KRIGED 3rd OUARTER,2008 CHLOROFORil (uCr/L)
WHITE UESA SITE
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Water Levels and Data over Time
White Mesa Mill - Well MW4
Total or
Measured TotalMeasuring LengthWater Land Point Of Depth toElevation Surface Elevation Riser Date Of Water(WL) (LSD) (MP) (L) Monitqring (btw.Mp)
5,620.77 5,622.33 1.56
Depth to
Water
(blw.LSD)
Total
Depthof
Well
t23.6
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5,527.63
5,527.63
5,528.43
5,529.93
5,528.03
5,528.03
5,527.93
5,527.93
5,525.93
5,528.33
5,528. l3
5,528.33
5,528.93
5,529.93
5,528.93
5,529.93
5,512.33
5,528.91
5,529.93
5,529.16
5,526.66
5,529.16
s,529.08
5,529.00
5,528.75
5,529.91
5,529.25
5,529.00
5,529.33
5,529.10
5,529.06
5,529.2t
5,529.22
5,529.43
5,529.40
5,529.53
5,529.96
5,529.91
5,529.77
5,529.79
5,530. l3
5,529.85
9125t79
tolt0t79
Ut0t80
3/20t80
6/17180
9n5t80
10/8/80
2fi2t81
91U84
t2n/84
2n/85
6/U85
9lr/85
l0/l/85
l l/l/8s
t2lt/85
31U86
6/19t86
9tr/86
rztr/86
2/20t87
4t28/87
8/14t87
tU20/87
r/26t88
61U88
8/23/88
tt/2t88
3/9t89
6/2U89
9/U89
tt/tst89
2/16t90
s/8/90
817/90
tUt3/90
2/27t9r
5t2t/91
8/27 t9r
t2t3/9t
3/t7t92
6ltt/92
94.70
94.70
93.90
92.40
94.30
94.30
94.40
94.40
96.40
94.00
94.20
94.00
93.40
93.40
93.40
93.50
l10.00
93.42
93.50
93.17
95.67
93.17
93.25
93.33
93.s8
93.42
94.08
93.33
94.00
93.23
93.27
93.12
93.1 1
92.90
92.93
92.80
92.47
92.42
92.56
92.54
92.20
92.48
93.14
93.14
92.34
90.84
92.74
92.74
92.84
92.84
94.84
92.44
92.64
92.44
91.84
91.84
91.84
91.94
l08.zl4
9l.86
91.94
91.6r
94.11
9l.61
91.69
9t.77
92.02
91.86
92.52
9t.77
92.44
91.67
9r.7 t
91.56
9l.55
91.34
9r.37
91.24
90.91
90.86
91.00
90.98
90,64
90.92
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Water Levels and Data over Time
White Mesa MiIl - Well MW4
Measuring Length
ofRiser Date Of
Total or
Measured
Depth to
Water
(blw.MP)
Total Total
Depth to DepthWater Of(btw.LSD) Well
Water Land Point
Elevation Surface Elevation(!YL) (LSD) (MP) (L) Monitoring
5,620.77 5,622.33 1.56 123.6
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5,529.90
5,529.92
5,530.25
5,530.20
5,530.19
5,529.75
5,530.98
5,531.35
5,531.62
5,532.58
5,533.42
5,534.70
5,535.44
5,537.t6
5,538.37
s,539.10
5,539. 13
5,542.29
5,55 1.58
5,552.08
5,552.83
5,553.47
5,554.63
5,555.13
5,555.73
5,556.03
5,555.73
5,555.99
s,556.0s
5,556.l8
5,556.05
5,556.15
s,556.18
5,556.17
5,556.26
5,556.35
5,556.39
5,556.39
5,556.57
5,556.68
5,556.13
5,556.92
9/13t92
tzl9l92
3/24193
618193
9122t93
tzl14/93
3124194
6lt5/94
8/18t94
t2/13194
3lt6l9s
6127t95
9/20t95
t2try95
3128196
6/7/96
9lt6/96
3/20t97
417t99
snr/99
716/99
9/28t99
t/3/00
4t4t00
st2t00
5/tU00
s/ls/00
5/25100
6/9/00
6/16t00
6/26/00
7/6/00
7t13/00
7lt8/00
7/25/00
8/2/00
8t9t00
8/ls/00
8/3y00
9/8/00
9/t3t00
9/20t00
92.43
92.41
92.08
92.13
92.t4
92.58
9l.35
90.98
90.71
89.7 5
88.9 r
87.63
86.89
85.17
83.96
83.23
83.20
80.04
70.75
70.25
69.50
68.86
67.70
67.20
66.60
66.30
66.60
66.35
66.28
66.15
66.28
66.1 8
66.1 5
66.r6
66.07
65.98
6s.95
65.94
65.76
65.65
65.60
65.51
90.87
90.8s
90.52
90.57
90.58
91.02
89.79
89.42
89.1 5
88.1 9
87.35
86.07
85.33
83.61
82.40
81.67
8 r.64
78.48
69.19
68.69
67.94
67,30
66.14
65.64
65.04
64.74
6s.04
64.79
64.72
64.59
64.72
64.62
64.59
64.60
64.5t
64.42
64.39
64.38
64.20
64.09
64.04
63.9s
Water Levels and Data over Time
White Mesa Mill - Well MW4
Measuring Length
Total or
Measured Total TotalWater Land Point Of Depth to Depth to DepthElevation Surface Elevation Riser Date Of Water Water Of(WL) (LSD) (MP) (L) Monitorine (btw.Mp) (btw.LSD) Well
5,620.77 5,622.33 1.56 r23.6
5,556.84
s,556.81
5,556.89
5,556.98
5,557.01
5,557.14
5,557.17
5,556.95
5,557.08
5,557.55
5,557,66
s,557.78
5,558.28
5,558.23
5,558.31
5,558.49
5,558.66
5,559.01
s,559.24
5,559.26
5,559.27
5,559.77
5,559.79
5,559.96
5,560.16
s,560.28
5,560.76
5,560.59
5,560.43
5,560.44
5,s60.71
s,560.89
s,557.86
5,561.10
5,561.39
5,561.41
5,561.93
5,561.95
5,536.62
5,528.56
s,s35.28
5,534.44
9/29t00
l0/s/00
t0n2t00
t0/t9/00
10t23t00
tU9/00
tt/14t00
tU2t/00
I l/30/00
t2/7t00
Ut4l0t
219/0t
3l29l0t
4/30101
sl3U01
6/22/01
7 /t0t0t
8/20/01
9/t9t0t
t0t2/01
l1/8/01
t2/3t01
t/3t02
216/02
3126t02
419/02
s/23/02
6lst02
7/8t02
8t23t02
9/tt/02
10123t02
tU22t02
t2t3t02
t/9t03
2l12/03
3/26/03
4/2/03
s/U03
6t9/03
7 /7 t03
8/4/03
65.49
65.52
65.44
65.3s
65.32
65.19
65.16
6s.38
6s.25
64.78
64.67
64.55
64.05
64.t0
64.02
63.84
63.67
63.32
63.09
63.07
63.06
62.56
62.55
62.37
62.17
62.05
6t.57
61.75
6l.90
61.89
6t.62
6t.44
64.47
61.23
60.94
60.92
60.40
60.48
8s.71
93.77
87.0s
87.89
63.93
63.96
63.88
63.79
63.76
63.63
63.60
63.82
63,69
63.22
63.1I
62.99
62.49
62.54
62.46
62.28
62.11
61.7 6
61.53
61.51
61.50
61.00
60.99
60.81
60.61
60.49
60.01
60.1 9
60.34
60.33
60.06
59.88
62.9r
s9.67
59.38
59.36
58.84
58.92
84. l5
92.2t
85.49
86.33
Water Levels and Data over Time
White Mesa MilI - Well MW4
Water Land
Elevation Surface
Measuring LengthPoint OfElevation Riser Date Of
Monitorin
Total or
Measured
Depth to
Water
blw.M
Total
Depth to
Water
Total
Depthof
Well
123.6
5,537.10
5,539.96
5,535.91
5,550.70
5,557.58
5,558.80
5,560.09
5,560.55
5,561.06
5,561.48
5,561.96
5,529.17
5,536.55
5,529.00
5,541.55
5,541.12
5,540.59
5,542.95
5,537.91
5,548.67
5,549.53
5,544.36
5,545.16
5,544.67
5,541.29
5,536.96
5,546.49
5,546.l5
5,545.15
5,545.91
5,545.90
s,548.16
5,547.20
5,547.20
5,547.79
5,545.09
5,550.36
9n1t03
r0/2/03
t1/7 t03
t2t3t03
Ut5t04
2n0t04
3128t04
4/12t04
5lt3/04
6/t8t04
7t28/04
8/30104
9/r6/04
toltU04
tt/t6t04
12t22/04
l/18/05
2128t05
3/r5t0s
4/26t05
5t24t05
6/30t0s
07t29/0s
09/t2t0s
09t27/05
t2l7 t05
318t06
6lt3t06
7lt8t06
tUt7t206
2/27/07
5/2/01
8lt3t07
t0/10/07
3t26/08
6/25/08
8t26/08
85,23
82.37
86.42
71.63
64.7 5
63.53
62.2s
61.78
61.27
60.8s
60.47
93.t6
8s.78
93.33
80.78
81.2r
8r.74
79.48
84.42
73.66
12.80
77.97
71.t7
77.66
81.0s
85.37
75.84
76.18
77.t8
76.42
76.43
74.17
75.r3
75.13
74.54
77.24
71.97
83.67
80.81
84.86
70.07
63. l9
61.97
60.69
60.22
59.71
59.29
58.91
91.60
84.22
91.77
79.22
79.65
80.1 8
'77.92
82.86
72.t0
71.24
76.41
75.61
76.10
79.49
83.81
74.28
74.62
75.62
74.86
74.87
72.61
73.57
73.57
72.98
75.68
70.41
I
I
I
I
Water Levels and Data over Time
White Mesa MiIl - Well TW4-1
Water Land
Measuring Length
Point Of
Total or
Measured Total Total
Depth to Depth to DepthWater Water OfElevation Surface Elevation Riser Date Of(WL) (LSD) (MP) (L) Monitoring (blw.Mp) (blw.LSp) Weltz 5,620.77 5,622.33 1.02 111.04I
I
I
I
I
I
t
I
I
I
I
I
I
I
I
5,540.98
5,541.13
5,541.23
5,54t.23
5,540.99
5,541.03
5,541.03
5,540.93
5,541.23
5,541.23
5,541.33
5,541.43
5,541.73
5,541.43
5,541.43
5,541.19
5,540.93
5,541.23
5,541.43
5,541.33
5,541.63
5,541.33
5,541.63
s,541.63
5,541.65
5,541.63
5,541.85
5,541.79
5,541.91
5,542.17
5,542.31
5,542.43
5,542.41
5,542.09
5,542.93
5,542.97
5,543.09
5,543.25
5,543.44
5,544.08
5,544.49
ry8t99
tU9t99
U2100
1/10/00
t/17 t00
t/24t00
2/U00
217t00
2lt4t00
2/23/00
3/t/00
3/8100
3/t5/00
3120t00
3/29/00
4/4/00
4/13/00
412U00
4t28t00
sn/00
5/l 1/00
5/ts/oo
5125t00
6/9/00
6lt6t00
6/26/00
7t6/00
7/13/00
7lr8t00
7/27/00
8/2/00
819t00
8/ls/00
8/31/00
9/1/00
918/00
9/13t00
9120/00
10/s/00
tt/9/00
tzl6t00
8 1.35
81.20
8 r.10
81.10
8l.35
81.30
8 1.30
81.40
81.10
8 1.10
81.00
80.90
80.60
80.90
80.90
81.15
8l.40
81.10
80.90
81.00
80.70
81.00
80.70
80.70
80.68
80.70
80.48
80.54
80.42
80. l6
80.02
79.90
79.92
80.25
79.40
79.46
79.24
79.08
78.89
78.25
77.84
80.33
80.1 8
80.08
80.08
80.33
80.28
80.28
80.38
80.08
80.08
79.98
79.88
79.58
79.88
79.88
80. l3
80.38
80.08
79.88
79.98
79.68
79.98
79.68
79.68
79.66
79.68
79.46
79.52
79.40
79.14
79.00
78.88
78.90
79.23
78.38
78.44
78.22
78.06
77.87
77.23
76.82
Water Levels and Data over Time
White Mesa Mill - Well TW4-l
I
Date Of
Total or
Measured
Depth to
Water
Total
Depth to
Water
Water
Elevation
Measuring LengthLand Point OfSurface Elevation Riser
Total
Depth
of
WellIMonitorilw.LS
z
t 5,546.14
5,547.44
s,548.71
5,549.20
5,549.64
5,549.94
5,550.25
5,550.93
5,551.34
5,55 1.59
5,549.64
5,549.94
5,550.25
s,550.93
5,551.34
5,55 1.59
5,55 l.g7
5,552.40
5,552.62
5,553.12
5,553.75
5,553.97
5,554.56
5,554.54
5,554.93
5,555.29
5,555.54
5,555.94
5,556.02
5,556.23
5,556.49
s,556.67
5,557. l5
5,557.23
5,556.01
5,554.29
5,553.94
5,553.39
5,553.06
5,553.33
5,553.25
5,553.82
t/14/01
2/2/01
3/29/01
4/30t0t
513y01
6/22/01
7ltDt0r
8/10/01
9/t9t}t
t0/2t0r
5l3r/01
6/21/0r
7/tot0t
8l20t0t
9/t9t}t
t0t2t0t
ty8t0l
t2t3/01
U3/02
2/6t02
3/26t02
4/9/02
5123t02
615t02
7t8t02
8/23t02
9/ry02
10t23/02
tt/22t02
t2l3t02
t/9t03
2/12t03
3t26/03
4/2/03
5/t/03
6/9t03
t t7 /03
8/4/03
9ltU03
t0t2/03
tr/7 t03
12/3t03
76.t9 75.1774.89 73.87
73.62 72.60
73.13 72.11
72.69 71.6772.39 7t.37
72.08 7t.06
7 r.40 70.38
70.99 69.97
70.74 69.72
72.69 7 r.67
72.39 71.3772.08 71.06
71.40 70.3870.99 69.9770.74 69.72
70.46 69.4469.93 68.9169.71 68.6969.21 68.19
68.s8 67.5668.36 67.3467.77 66.75
67.79 66.7767.s0 66.4867.04 66.02
66.79 6s.77
66.39 6s.3766.31 65.2966.10 65.0865.84 64.826s.66 64.6465.18 64.16
65.10 64.0866.26 65.2468.05 67.0368.49 67.4768.94 67.9269.27 68.2s
69.00 67.98
69.08 68.0668.51 67.49
I
T
I
I
I
I
t
Water Levels and Data over Time
White Mesa Mill - Well TW4-1
Water
Elevation
Measuring
Point
Elevation Date Of
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depth
of
Well
Length
of
Riser
(L)
1.02
Land
Surface
Moni w.M blw.
Z
5,555.61
5,556.32
5,557.39
5,557.79
5,558.35
5,560.03
5,560.36
5,557.96
5,557.24
5,556.29
5,556.17
5,556.21
5,555.82
5,555.96
5,556.01
5,556.05
5,556.00
5,55s.97
5,555.90
5,556.22
5,556.25
5,556.71
5,556.99
5,560.95
5,557.07
5,558.10
5,557.92
5,557.92
5,557.63
5,559.49
5,560.35
5,560.59
I I1.04
I
I
I
Ut5/04
2/t0t04
3/28/04
4/r2t04
5l13t04
6/18t04
7128t04
8/30t04
9/16/04
t0nt/04
tt/r6t04
t2/22104
l/18/05
2/28/05
3tr5/0s
4t26t05
5/24/05
6/30t0s
7129t05
9/t2/05
t2/7/0s
3/8t06
6n4t06
7 /t8/06
tU7/06
2/27/07
s/2t07
8/t4/07
t0/t0/01
3/26/08
6t24t08
8/26/08
66.72
66.01
64.95
64.54
63.98
62.30
61.97
64.37
65.09
66.0s
66.16
66.12
66.51
66.37
66.32
66.28
66.33
66.36
66.43
66.1 1
66.08
65.62
65.35
61.38
65.26
64.23
64.s|
64.51
64.70
62.85
61.98
61.7 5
65.70
64.99
63.93
63.s2
62.96
61.28
60.95
63.35
64.07
65.03
65.14
65.10
65.49
65.35
65.30
65.26
65.31
65.34
65.41
65.09
65.06
64.60
64.33
60.36
64.24
63.21
63.49
63.49
63.68
61.83
60.96
60.73
I
T
I
I
I
I
t
I
Water Levels and Data over Time
White Mesa MilI - Well TW4-2
Water
Elevation
MeasuringLand Point
Surface Elevation
Length
of
Riser Date Of
Monitorin
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depth
of
WellLw.M
I
t
I
I
I
I
I
I
I
I
I
I
I
I
I
5,548.85
5,548.85
5,548.60
5,s48.80
5,548.60
5,549.00
5,548.90
5,548.90
5,549.30
5,549.40
5,549.50
5,549.60
5,549.50
5,550.20
5,550.00
5,549.70
5,549.80
s,550.00
5,550. l0
5,550.l0
5,550.40
s,550.10
s,550.40
5,550.40
5,550.50
5,550.35
5,550.45
5,550.45
5,550.46
5,550.61
s,550.66
5,550.69
5,550.70
5,550.82
5,551.15
5,55 1.25
5,ssr.32
5,546.1 I
5,546.7 5
5,547.16
5,552.46
tU8/99
tt/9/99
t/2/00
t/t0/00
Ut7l00
U24/00
2/t/00
2/7t00
2/14t00
2/23/00
3lr/00
3/8100
3/tst00
3120t00
3/29tO0
4/4100
4/13/00
412U00
4/28/00
51U00
5/rr/00
5lts/00
5/25100
6t9t00
6/t6t00
6/26/00
7t6/00
7lt3/o0
7 /t8t00
7127100
8/2100
8t9t00
8/tsl00
8/3r/00
9/8t00
9/13/00
9t20/00
l0/5/00
tU9/00
1216t00
l/26/01
76.15
76.t5
76.40
76.20
76.40
76.00
76.10
76.10
7 5.70
7 5.60
75.50
75.40
7s.50
74.80
75.00
75.30
75.20
75.00
74.90
74.90
74.60
74.90
74.60
74.60
74.50
74.6s
74.55
74.s5
74.54
74.39
74.34
74.32
74.30
74.r8
73.85
73.75
73.68
78.89
78.25
77.84
72.s4
74.25
74.25
74.50
74.30
74.50
74.10
74.20
74.20
73.80
73.',l0
73.60
73.50
73.60
72.90
13.t0
73.40
73.30
73.t0
73.00
73.00
72.70
73.00
72.70
72.70
72.60
72.75
72.65
72.65
72.64
72.49
72.44
72.42
72.40
72.28
71,.95
71.85
71.78
76.99
76.35
75.94
't0.64
Water Levels and Data over Time
White Mesa Mill - Well TW4-2
Measuring LengthWater Land Point Of
Elevation Surface Elevation Riser Date Of(z) (LSD) (MP) (L) Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depthof
Well
5,623.10 5.625.00 1.90 l2t.t25
I
t
5,552.48
5,551.38
5,551.97
5,552.31
5,552.61
5,552.92
s,s53.60
5,554.01
5,554.26
5,554.42
5,555.07
5,555.02
5,555.19
5,555.43
5,555.67
5,556.01
5,556.07
5,5s6.l9
5,556.32
5,556.53
5,557.00
5,556.70
s,557.29
5,557.49
5,557.63
s,558.1 l
5,558. l5
5,553.99
5,549.26
s,548.42
s,548.03
5,547.50
5,547.96
s,547.80
5,549.57
5,554.29
5,555.74
5,557.18
5,557.77
5,558.35
5,558.47
5,559.28
2t2/0r
3l29l0t
4l30t0r
5l3y0l
6/21t0t
7lt0/0r
8/20t0t
9t19/01
t0/2t0r
I l/08/01
t2t03/01
0t/03t02
02t06/02
03/26102
04109t02
05123102
0610s/02
07/08102
08123/02
09/tt/02
t0123t02
tU22/02
t2/03t02
0r/09t03
02112t03
03126103
04t02t03
05/01/03
06109/03
07/07/03
08104/03
09/1U03
t0102/03
tt/07t03
12t03/03
0t/t5/04
02n0/04
03/28t04
041r2t04
05/t3104
06/18t04
0"t/28104
72.52
73.62
73.13
72.69
72.39
72.08
7 t.40
70.99
10.74
70.58
69.93
69.98
69.81
69.57
69.33
68.99
68.93
68.81
68.68
68.47
68.00
68.30
67.7t
67.52
67.37
66.89
66.85
71.01
75.74
76.58
16.97
77.50
77.04
77.20
76.43
70.72
69.26
67.82
67.23
66.65
66.53
65.72
70.62
7 t.72
7r.23
70.79
70.49
70.1 8
69.50
69.09
68.84
68.68
68.03
68.08
67.91
67.67
67.43
67.09
67.03
66.91
66.78
66.57
66. l0
66.40
65.81
65.62
65.47
64.99
64.95
69.1 I
73.84
74.68
75.07
75.60
75.t4
75.30
74.53
68.82
67.36
6s.92
65.33
64.75
64.63
63.82
Water Levels and Data over Time
White Mesa MilI - Well TW4-2
I Measuring
Point
Elevation Date Of
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depth
of
Well
Water Land
Elevation Surface
Length
of
Riser
(L)t Monitori w.M
I
t
5,554.54
5 55? 15
5,549.93
5,550.17
5,550.65
5,550.23
5,550.37
5,5s0.41
5,550.46
s,550.60
5,550.49
5,550.39
5,550.61
5,550.57
5,551.58
5,551.70
5,550.90
5550.80
5553. I 7
5,552.34
5,552.30
5,552.49
5,554.86
5,s55.s 1
5,555.57
08/30/04
09/16t04
l0ltt/04
tlr6t04
t2122t04
0l/18/05
02/28/0s
03/15/0s
04t26/05
05124/05
06/30t0s
07129/05
09/t2t05
12107 t05
03/08/06
06114/06
07118106
tr/07106
2127t07
512t07
8lt4t07
t0/t0t07
3126t08
6124t08
8t26/08
70.46
72.7 5
75.07
74.83
74.35
74.77
74.63
74.59
74.54
74.40
74.51
74.61
74.39
74.43
73.42
I ).i
74.20
74.20
71.83
72.66
72.7
72.52
70.r4
69.49
69.43
68.s6
70.85
73.t7
72.93
72.45
72.87
72.73
72.69
72.64
72.50
72.6t
72.7 |
72.49
72.53
71.52
71.40
72.30
72.30
69.93
70.76
70.80
70.62
68.24
67.s9
67.53
I
I
t
I
I
t
I
t
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-3
Water Land
Elevation Surface
Measuring
Point
Elevation Date Of
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depth
of
Well
Length
of
Riser
(L)
r.02
Monitori blw.M
5.631.21 5.632.23 14l
T
I
5,565.79
5,566.93
5,567.03
5,566.93
5,567.t3
5,567.33
5,567.13
5,567.43
5,567.63
5,567.73
5,567.93
5,567.70
5,568.03
5,567.93
5,567.63
s,s67.83
5,568.03
5,568.23
5,569.13
5,568.53
5,568.23
5,569.53
5,568.61
5,568.69
5,568.45
5,569.61
s,568.61
5,568.49
5,569.55
5,569.65
s,568.73
5,568.17
5,569.76
5,569.95
5,568.49
5,569.67
5,568.96
s,s68.93
s,569.34
5,569.79
5,569.1 I
11t29t99
1t2t00
r/10/00
t/17 t00
t/24t00
2/U00
2t7/00
2lt4t00
2/23t00
3nt00
3/8100
3/t5t00
3t20t00
3/29t00
4/4t00
4lt3t00
4/2U00
4t28t00
5nt00
s/1U00
5lr5t00
5125100
619/00
6/16/00
6126t00
716/00
7t6/00
7n3t00
7lt8/00
7 /27 t00
8/2t00
8t9t00
8/t6t00
8/3 l/00
9t8/00
9/13t00
9t20/00
t0t5t00
nt9/00
t2/6t00
t/3t0t
66.45 65.4365.30 64.28
65.20 64.18
65.40 64.386s.10 64.0864.90 63.88
6s.10 64.0864.80 63.7864.60 63.s8
64.s0 63.4864.40 63.3864.53 63.51
64.20 63.18
64.30 63.28
64.60 63.58
64.40 63.38
64.20 63.18
64.00 62.9864.10 63.0863.70 62.6864.00 62.9863.10 62.6863.62 62.6063.54 62.s2
63.78 62.76
63.62 62.60
63.62 62.6063.14 62.7263.68 62.6663.s8 62.s663.s0 62.4863.46 62.4463.47 62.4s63.28 62.2663.74 62.7263.56 62.5463.27 62.2563.3 62.2862.89 61.8763.44 62.4263.t2 62.10
I
I
Total
Depth
of
Well
141
I
I
I
I
I
I
I
I
I
t
t
I
I
I
I
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-3
Water Land
Measuring LengthPoint Of
Elevation Surface Elevation Riser Date Of(z) (LSD) (MP) (L) Monitoring
5,63t.21 5,632.23 t.02
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
5,569.75
s,570.34
5,570.61
5,570.70
5,570.99
5,571.02
5,571.70
5,572.12
5,572.08
5,570.70
s,570.88
5,571.02
5,571.70
5,572.12
5,572.08
5,572.78
5,573.27
5,573.47
5,573.93
5,s74.7s
5,574.26
5,575.39
5,574.84
5,575.33
5,575.79
5,576.09
5,576.30
5,576.35
s,576.54
s,576.96
5,577.11
s,577.61
5,572.90
5,577.89
5,577.91
5,577.53
5,577.50
5,577.71
5,577.31
5,577.33
5,577.34
5,578.24
219/0t
3l28l0r
4130t0t
513U01
612U01
7lt0t0t
8120101
9lt9t0t
t0/2t0r
sl3U0t
6/21/01
7ltjt01
8/20/0r
9/t9t0t
t0l2l0l
I l/8/01
t2l3l0t
U3t02
216102
3/26/02
419t02
5/23102
615t02
7/8/02
8/23/02
9ltU02
r0/23/02
tU22t02
t2/3/02
r/9103
2n2t03
3/26/03
412/03
snt03
6/9/03
't/7/03
8t4/03
9/rr/03
t0/2t03
tt/7103
t2t3t03
t/15104
62.48
61.89
61.62
61.53
61.35
61.21
60.53
60.1 1
60. l5
61.53
6l.35
61.21
60.53
60.1 I
60. l5
59.45
58.96
58.76
58.30
57.48
57.97
56.84
s7.39
56.90
56.44
56.1 5
s5.93
55.88
55.69
55.27
55.t2
54.62
59.43
54.34
54.32
54.70
54.73
54.52
54.92
54.90
54.89
53.99
61.46
60.87
60.60
60.51
60.33
60. l9
59.51
59.09
59.13
60.51
60.33
60. l9
59.51
59.09
59. l3
58.43
57.94
57.74
57.28
56.46
56.95
55.82
s6.37
s5.88
55.42
55.13
54.9r
54.86
54.67
54.25
54.10
53.60
58.41
53.32
53.30
53.68
53.7t
53.50
53.90
s3.88
53.87
52.97
t
I
t
Water Levels and Data over Time
White Mesa Mill - Well TW4-3
Water
Elevation
MeasuringLand Point
Surface Elevation
Length
of
Riser Date Of
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depth
of
WellIMonitoriw.LSD
5,631.21 5,632.23 1.02 I4l
I
I
I
I
t
I
I
I
I
I
I
I
I
I
I
5,578.39
5,578.69
5,579.15
5,579.47
5,579.53
5,580.17
5,580.20
5,580.26
s,580. l2
5,579.93
5,580.07
5,579.80
5,580.35
5,580.57
5,580.86
5,581.20
5,581.51
5,58 1.55
5,s81.68
5,58 1.83
5,564.92
5,582.73
s,582.33
s,582.75
5583.35
5,5s9.57
5,583.29
5,583.49
5,584.95
5,584.59
5,584.55
2lt0l04
3/28/04
4ltzt04
5/t3/04
6lr\t04
7/28/04
8t30t04
9/16t04
tolrU04
tr/r6t04
12t22t04
Ut8t05
2/28/05
3lrsl05
4126/0s
5124t05
6/30t0s
07129105
09/rzt0s
12t7 t0s
318106
6l13t06
7n8106
tt/7 t06
2127/07
st2t07
8/r4/07
t0110t07
3/26108
6/24t08
8126t08
53.85
53.54
53.08
52.76
52.70
52.06
52.03
51.97
52.1 I
52.30
s2.16
52.43
51.88
51.66
51.37
51.03
50.72
50.68
50.55
50.4
67.31
49.50
49.90
49.48
48.88
72.66
48.94
48.74
47.28
47.64
47.68
52.83
52.52
52.06
51.74
51.68
51.04
51.01
50.9s
51.09
51.28
51.14
51.41
s0.86
50.64
50.3s
50.01
49.70
49.66
49.53
49.38
66.29
48.48
48.88
48.46
47.86
7 t.64
47.92
47.72
46.26
46.62
46.66
Water Levels and Data over Time
White Mesa Mill - Well TW4-4I
I Water Land
Measuring
Point
Elevation Surface Elevation(z) (LSD) (MP)
Total or
Measured Total
Depth to Depth to
Date Of Water Water
Total
Depth
of
Well
Length
of
Riser
(L)Monitorins (blw.MP)(btw.LSD)
5,6t2.301 5,613.485 1.184 t 14.5
I
I
5,512.145
5,5 18.985
5,512.145
5,517.465
s,520.145
s,521.435
5,522.005
5,522.945
5,523.485
5,523.945
5,523.885
5,524.555
5,513.235
5,516.665
s,519.085
5,522.165
5,524.665
5,518.545
s,527.69s
5,529.095
5,529.535
5,530.235
5,530.265
5,534.405
5,533.145
5,534.035
5,534.465
5,533.295
5,530.265
5,534.405
5,533.145
5,534.035
s,534.465
5,533.285
s,533.86s
5,534.275
5,534.7t5
5,535.435
5,536.445
5,536.405
5,537.335
5/25t00
6/9100
6lt6/00
6126100
716100
7 /t3t00
7lt8t00
7/27t00
8/2t00
8t9/00
8/15/00
91U00
9t8/00
9/13t00
9120t00
10/s/00
ty9t00
t2l6t00
U3t0l
219t0t
3l27 t}t
4/30t0r
5l3U0t
6/22t0t
7/t0/01
8l20t0r
9n9t01
r0l2t0r
5/3U0t
6t2U0t
7lr0t0r
8l20l0r
9/t9t0l
t0l2/01
I l/8/01
t2l3/0r
U3/02
216t02
3126t02
419t02
sl23t02
l0l.34 100.1694.50 93.32
101.34 100.16
96.02 94.84
93.34 92.1692.0s 90.87
91.48 90.30
90.54 89.36
90.00 88.8289.64 88.4689.60 88.4288.93 87.75100.25 99.07
96.82 9s.64
94.40 93.2291.32 90.1488.82 87.64
94.94 93.76
85.79 84.61
84.40 83.22
83.95 82.77
83.25 82.07
83.22 82.0479.08 77 .9080.34 79.16
79.45 78.27
79.02 77.8480.20 79.0283.22 82.0479.08 77.9080.34 79.t6
79.45 78.2779.02 77.8480.20 79.0279.62 78.44
79.21 78.0378.77 77.5978.05 76.87
77.04 75.86
77.08 75.90
76.15 74.97
I
I
I
I
I
I
Total
Depth
of
Welt
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Wetl TW4-4
Water
Elevation
(z)
Measuring LengthLand Point Of
Surface Elevation Riser Date Of(LSD) (MP) (L) Monitorine
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
ftlw.LSD)
5,612.301 5,613.48s 1.184 I14.5
t
I
I
I
t
I
I
I
I
I
I
I
I
I
I
5,537.325
s,537.975
5,538.825
5,539.275
5,539.765
5,540.205
5,540.295
5,540.795
5,540.985
5,541.67 5
5,541.765
5,541 .885
5,542.025
5,541.925
5,541 .885
5,541.825
5,541.885
5,541.995
5,542.005
5,542.555
5,542.705
5,543.225
5,543.555
5,543.865
5,543.915
5,544.655
5,544.795
5,544.84s
5,544.705
5,544.525
5,544.625
5,544.305
5,544.585
5,544.685
5,544.675
5,544.785
5,544.795
5,544.775
5,545.005
5,545.225
5,545.735
5,545.785
6t5/02
718/02
8123102
9lrU02
10123/02
tt/22/02
r2l3t02
!9t03
2lt2t03
3/26t03
412/03
5lt/03
6t9t03
717 t03
8t4/03
9lrU03
t0l2/03
tt/'1/03
t2l3t03
Utsl04
2/10104
3128t04
4/12/04
5/t3/04
6/18t04
7/28t04
8/30/04
9/16t04
t0ltU04
ty16/04
t2122t04
1/l 8/05
2/28t0s
3/t5t05
4t26/05
5/24/05
6/30t05
7t29t|s
9lt2/05
t2/7 /0s
3t8/06
6/14t06
76.16
7 5.51
74.66
74.21
73.72
73.28
73.19
72.69
72.50
71.81
7 t.72
71.60
71.46
71.56
7 r.60
7 r.66
71.60
71.49
11.48
70.93
70.78
70.26
69.93
69.62
69.s7
68.83
68.69
68.64
68.78
68.96
68.86
69.1 8
68.90
68.80
68.81
68.70
68.69
68.71
68.48
68.26
67.75
67.70
74.98
74.33
73.48
73.03
72.54
72.10
'72,01
7 t.5l
7t.32
70.63
70.54
70.42
70.28
70.38
70.42
70.48
70.42
70.3t
70.30
69.7s
69.60
69.08
68.7 5
68.44
68.39
67.6s
67.51
67.46
67.60
67.78
67.68
68.00
67.72
61.62
67.63
67.52
67.51
67.53
67.30
67.08
66.57
66.52
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-4
Water
Elevation
Land
Surface Date Of
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depth
of
Well
Measuring LengthPoint Of
Elevation RiserILSD Mo w.M
5,613.48s
I
I
I
I
I
I
I
t
t
I
I
I
I
I
I
5,545.855
5,545.905
5546.675
5,546.535
5,547.t55
5,547.215
5,548.305
5,548.865
5,549.235
7/18t06
tUtt06
2/27107
5/2/07
8/15101
r0n0/07
3/26/08
6124t08
8/26108
67.63
67.68
66.81
66.95
66.33
66.27
65.1 8
64.62
64.25
66.4s
66.50
65.63
65.77
65.1s
6s.09
64.00
63.44
63.07
I
I
I
T
Water Levels and Data over Time
White Mesa Mill - Well TW4-5
Measuring LengthWater Land Point Of
Elevation Surface Elevation Riser
Total or
Measured
Depth to
Date Of Water
Total Total
Depth to DepthWater Of
ftlw.LSD) Well(z) (LSD) (lUP) (L) Monitorins (btw.Mp)
5,6J9.75 5,640.t0 1.95 12t.7 5I
I
I
I
I
I
t
I
I
I
T
I
I
t
I
5,579.30
5,579.60
s,579.3s
s,579.60
5,579.50
s,579.s0
5,579.90
s,579.90
5,580.20
5,580.00
5,580.04
5,580.70
5,580.30
s,580.00
5,580.20
5,580.40
5,580.50
5,580.50
5,580.90
5,580.50
5,580.75
5,580.90
5,580.92
5,580.80
5,580.90
5,581.05
5,580.90
5,58 1.05
5,581.06
5,581.09
5,581.07
5,58 1.25
5,58 L32
5,581.34
5,581.41
5,58 1.37
5,581.66
5,58 1.63
5,59 l.92
s,582.20
5,582.54
t/2100
1/10/00
r/r7 t00
U24/00
21100
2/7t00
2lr4t00
2/23t00
3/U00
3t8/00
3lt5t00
3120100
3t29t00
414100
4lt3/00
412y00
4t28t00
s/U00
s/l 1/00
s/15/00
5/25100
619t00
6/r6t00
6126t00
7t6/00
7lt3t00
7n8t00
7t27t00
8/2100
8t9/00
8lt6t00
8/3 l/00
9/8100
9l13t00
9/20t00
t0/st00
t1t9/00
t2t6/00
|3t01
2l9t0t
3/28t01
61.40
61. l0
61.35
61.10
61.20
61.20
60.80
60.80
60.50
60.70
60.66
60.00
60.40
60.70
60.50
60.30
60.20
60.20
59.80
60.20
59.95
s9.90
59.78
s9.90
59.80
59.65
59.80
59.65
59.64
59.62
59.63
59.45
s9.38
59.36
59.29
59.33
59.04
59.07
58.78
58.50
58.1 6
59.45
59. l5
59.40
59.1 5
59.25
59.2s
58.85
58.85
58.55
58.75
s8.71
58.05
58.45
s8.75
58.55
s8.35
58.25
58.25
57.85
58.25
58.00
57.95
57.83
57.95
57.85
57.70
57.8s
57.70
57.69
57.67
57.68
57.50
57.43
57.41
57.34
57.38
s7.09
57.12
s6.83
s6.55
56.21
Water Levels and Data over Time
White Mesa Mill - Well TW4-5
Measuring LengthWater Land Point Of
Elevation Surface Elevation Riser(z) (LsD) (MP) (L)
Total or
Measured Total Total
Depth to Depth to Depth
Date Of Water Water Of
Monitoring (blw.MP) (blw.LSD) Well
5,638.75 5,640.70 1.95 t2t.7 5
5,582.72
5,582.72
5,582.81
5,582.92
5,583.17
5,583.29
5,583.36
5,582.72
5,582.91
5,582.92
5,583.17
5,583.28
5,583.36
5,583.49
5,s83.84
5,583.79
s,583.96
5,584.39
5,584.12
5,584.55
5,584.42
5,583.65
5,584.90
5,585.02
5,585.20
5,585. l5
5,585.42
5,585.65
5,585.65
5,595.92
5,586.22
5,586.01
5,584.81
s,584.34
5,584.40
5,583.88
5,583.57
5,583.39
5,583.97
5,585.28
5,585.50
5,s8s.87
4l30t0r
s/3U0t
6122l0t
7lt0t0r
8/20/01
9lt9t0r
t0l2t0t
5/31/01
612t/0r
7not0l
8l20t0r
9lt9lot
t0/2/01
1l/8/0r
12/3/0r
t/3/02
2/6/02
3126/02
4/9/02
5123102
615102
7/8/02
8/23102
9nt/02
10123/02
tt/22/02
t2t3t02
y9t03
2/12/03
3126t03
412103
5/t/03
6t9t03
717103
8/4/03
9/tt/03
L0/2103
rU7t03
t2/3/03
llt5l04
2lt0/04
3t28t04
57.98
s7.98
57.89
57.78
57.53
57.42
57.34
57.98
57.89
57.78
57.53
57.42
51.34
57.21
56.86
56.91
56.74
56.31
56.58
56.1 5
56.28
s7.05
55.80
55.68
55.50
55.55
55.28
55.05
55.05
54.78
54.48
54.69
55.89
56.36
56.30
56.82
s7.13
57.31
56.73
55.42
55.20
54.83
s6.03
56.03
55.94
55.83
5s.58
55.47
55.39
56.03
55.94
55.83
55.58
55.47
55.39
55.26
54.91
54.96
54.79
54.36
54.63
54.20
54.33
55. l0
53.85
53.73
53.55
53.60
53.33
53. l0
53.1 0
52.83
52.53
52.74
53.94
54.41
54.35
54.87
55.1 8
55.36
54.78
53.47
53.25
52.88
Total
Depthof
I
I
I
I
Water Levels and Data over Time
White Mesa Milt - Well TW4-5
Water Land
Elevation Surface(z) (LSD)
Measuring Length
Point Of
Elevation Riser Date Of(MP) (L) Monitorins
Total or
Measured Total
Depth to Depth toWater Water
0lw.MP) ftlw.LSD) Well
5,638.7 5 5,640.70 1.95 t2t.7s
I
I
I
I
I
I
I
I
I
I
I
I
I
t
t
s,586.20
5,586.45
5,586.50
5,587. l3
5,586.22
s,585.69
5,585. l7
5,584.64
5,584.77
5,584.6s
5,584.98
5,585.15
5,586.2s
5,586,79
5,586.52
s,586.03
5,586.05
5,585.80
5,587.06
5,585.90
5,585.32
5,585.35
5s85.81
5,585.20
s,586.66
5,586.90
5,588.48
5,586.51
5,586.45
4/12t04
slt3t04
6n8t04
7128t04
8130/04
9lt6t04
toltU04
tUt6/04
12122t04
l/18/05
2128t05
3/1sl0s
4t26/0s
5l24l0s
6/30t0s
7l29l0s
9lt2t0s
t2l7 t0s
318t06
6113t06
7lt8t06
tt/7 t06
2127/07
512/07
8lt4t07
t0ltot07
3126t08
6t24t08
8/26t08
54.50
54.25
54.20
53.s7
54.48
55.01
55.53
56.06
55.93
56.0s
55.72
55.55
54.45
53.91
54.1 8
54.67
54.65
54.90
53.64
54.80
55.38
55.35
54.89
55.50
54.04
53.90
52.22
54.19
54.25
52.55
52.30
52.25
5t.62
52.53
s3.06
53.s8
54.11
53.98
54. l0
53.77
53.60
52.50
51.96
52.23
52.72
52.70
52.95
51.69
52.85
53.43
53.40
52.94
53.5s
52.09
51.95
50.27
52.24
52.30
I
I
MeasuringWater Land Point
Elevation Surface Elevation(z) (!SD) (MP)
Water Levels and Data over Time
White Mesa Mill - Welt TW4-6
Total orLength MeasuredOf Depth toRiser Date Of Water(L) Monitoring (blw.MP)
Total Total
Depth to Depth Of
Water Well
(blw.LSD) (blw.LSD)
5,607.33 5,608.78 1.450 98.5s
I
I
I
I
I
I
I
I
I
5,522.28
5,52 1.5 I
5,522.35
5,522.14
5,522.25
5,522.13
5,522.1',1
5,522.26
5,522.31
5,522.33
5,522.35
5,522.40
5,522.40
5,522.45
5,522.53
5,522.39
5,522.42
5,522.29
5,522.63
5,522.72
s,522.90
5,522.70
s,522.89
5,522.99
5,522.96
5,523.10
5,523.23
5,523.21
5,522.99
5,522.88
5,522.96
5,523.10
5,523.23
5,523.21
5,523.25
5,523.46
5,523.36
5,523.50
5,523.94
5,523.75
5,524.23
5t25t00
619/00
6tr6/00
6t26/00
'116100
7l13t00
7lt8/00
7125t00
8t2t00
8/9100
8/15/00
8l3t/00
9t8/00
9lt3l00
9120/00
l0/s/00
tU9/00
t2/6100
U3lot
2/910r
3/26t0r
4130/01
5l3t/01
6/20101
7lt0l0t
8/2010r
9lt9l0t
t0/2t01
5l3U0t
6t2u0t
7 /t0t0t
8120/01
9/t9l0r
t0t2/01
I t/8/01
t2l3t0t
y3/02
216102
3126/02
419/02
5123/02
86.50
87.27
86.43
86.64
86.53
86.65
86.61
86.s2
86.47
86.45
86.43
86.38
86.38
86.33
86.25
86.39
86.36
86.49
86. l5
86.06
85.88
86.08
85.89
85.90
85.82
85.68
85.55
85.57
85.89
8s.90
85.82
85.68
85.55
8s.57
85.53
85.32
85.42
85.28
84.84
85.03
84.55
85.05
85.82
84.98
85. l9
85.08
85.20
85, l6
85.07
85.02
8s.00
84.98
84.93
84.93
84.88
84.80
84.94
84.91
85.04
84.70
84.61
84.43
84.63
84.44
84.45
84.37
84.23
84.1 0
84.t2
84.44
84.45
84.37
84.23
84. l0
84.12
84.08
83.87
83.97
83.83
83.39
83.58
83.10
I
t
T
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-6
Measuring LengthWater Land Point OfElevation Surface Elevation Riser Date Of(z) (LSD) (MP) (L) Mqnitoring
Total or
Measured Total
Depth to Depth toWater Water
(blw.MP) (blw.LSD)
Total
Depth Of
Well
(blw.LSD)
5,607 .33 5,608.78 1.450
I
t
I
I
T
t
I
I
I
I
I
I
I
I
I
5,523.99
5,524.31
5,524.36
5,524.49
5,524.71
5,524.60
5,524.94
5,525.10
5,525.15
5,525.35
5,525.69
5,525.74
5,525.98
5,s26.04
5,526.07
5,526.42
5,526.30
5,526.41
5,526.46
5,526.93
5,526.81
5,527.14
5,527.39
5,527.64
s,527.70
5,528.16
5,529.30
5,529.52
5,528.7 |
5,528;74
5,529.20
5,528.92
5,529.51
5,529.74
5,529.96
5,530.15
5,530.35
5,530.47
5,530.95
5,531.50
5,532.43
5,533.49
615/02
718102
8/23t02
9/11102
10123/02
rt/22t02
t2l3t02
y9t03
2n2t03
3/26103
412/03
51U03
6t9t03
717 t03
814/03
9/ry03
r0t2/03
tt/7103
tzl3/03
t/t5t04
2lt0t04
3/28t04
4lt2/04
5lt3t04
6n8/04
7/28t04
8t30t04
9n6t04
t0/tt/04
tlt6t04
t2/22104
l/l 8/0s
2/28t05
3/tsl05
4126/05
s/24t0s
6130t05
't/29t0s
9/t2/05
t2l7 t05
318t06
6lt3/06
84.80
84.47
84.42
84.29
84.07
84.1 8
83.84
83.68
83.63
83.43
83. l0
83.04
82.80
82.74
82.71
82.36
82.48
82.37
82.32
81.95
81.97
81.64
8l.39
8 1.14
81.08
80.62
80.48
80.26
80.07
80.04
79.58
79.86
79.27
79.04
78.82
78.63
78.43
78.31
17.83
77.28
76.35
75.29
83.35
83.02
82.97
82.84
82.62
82.73
82.39
82.23
82.18
81.98
8l .65
81.s9
81.35
81.29
8r.26
80.91
81.03
80.92
80.87
80.s0
80.52
80. l9
79.94
79.69
79.63
79.17
79.03
78.81
78.62
78.59
78.13
78.4r
77.82
77.59
77.3',1
77.18
76.98
76.86
76.38
75.83
74.90
73.84
(z)
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-6
Water Land Point
Elevation Surface Elevation
Measuring Length
of
Riser
Total or
Measured
Depth to
Water
Total Total
Depth to Depth OfWater WellDate Of(LSD) (MP)(L) Monitorins (blw.MP)(blw.LSD) (blw.LSD)
5,607.33 5,608.78 1.450 98.55
t
I
I
I
I
I
I
I
I
I
I
I
I
t
I
5,532.58
5,532.88
5534.09
5,534.04
5,534.43
5,554.54
5,535.40
5,535.55
s,53s.90
7ngt06
tU7t06
2/27t07
512t07
8lt4107
t0/t0t07
3/26/08
6124t08
8126t08
76.20
75.90
74.69
74.74
74.35
54.24
73.38
73.23
72.88
74.75
74.45
73.24
73.29
72.90
52.79
71.93
7 t.78
71.43
I
I Water Levels and Data over Time
White Mesa Mill - Well TW4-7
Water Land
Elevation Surface(lyl,) (LSD)
Measuring LengthPoint Of
Elevation Riser Date Of(MP) (L) Monitorins
Total or
Measured Total Total
Depth to Depth to Depth OfWater Water Well(blw.MP) (blw.LSD)ftlw.LSD)
5,619.87 5,62t.07 t.20 I19.8
I
I
t
I
I
I
I
I
5,552.31
s,553.s7
5,553.87
5,553.72
5,553.97
5,553.87
5,s53.87
5,554.17
5,554.27
5,554.37
5,554.37
5,554.27
5,554.77
5,5s4.57
5,554.27
5,554.57
5,554.77
5,554.97
5,554.9',7
5,555.27
5,554.97
5,555.27
5,555.33
5,555.45
5 555 ??
s,555.45
5,555.40
5,555.45
5,555.59
5,555.65
5,555.70
5,555.74
5,555.96
5,555.97
5,555.95
5,556.05
5,556.06
5,556.17
5,556.20
5,556.22
5,5s6.36
t|29t99
U2t00
t/10t00
Ut7/00
t/24t00
2/y00
2t7t00
2lr4t00
2/23100
3/U00
3t8t00
3ltsl00
3/20t00
3129/00
4t4t00
4lt3/00
412U00
4128/00
5lr/00
5/tr/00
5/l 5/00
5/2st00
6/9100
6/16t00
6126/00
7/6100
7/13t00
1lt8t00
7/27100
812t00
8/9/00
8/16/00
813U00
918t00
9n3/00
9t20t00
t0/5/00
tolt2t00
t0/19t00
10t23/00
1t/9t00
68.70
67.s0
67.20
67.35
67.10
67.20
67.20
66.90
66.80
66.70
66.70
66.80
66.30
66.50
66.80
66.50
66.30
66.20
66.20
65.80
66. l0
65.80
65.74
6s.62
65.85
65.62
65.67
6s.62
65.48
65.42
65.37
65.33
65.1 1
65.20
65.t2
65.02
65.01
64.90
64.87
64.85
64.71
67.50
66.30
66.00
66.15
6s.90
66.00
66.00
65.70
65.60
65.50
65.50
65.60
6s. l0
65.30
65.60
65.30
65. l0
6s.00
65.00
64.60
64.90
64.60
64.54
64.42
64.6s
64.42
64.47
64.42
64.28
64.22
64.t]
64.r3
63.91
64.00
63.92
63.82
63.81
63.70
63.67
63.65
63.51
Water Levels and Data over Time
White Mesa Mitl - Well TW4-7
t Measuring LengthPoint Of
Elevation Riser
Total or
Measured
Depth to
Date Of Water
Water
Elevation
Land
Surface
Total
Depth to
Water
Total
Depth Of
WellID
5.619.87
lw.LS w
119.8
I
I
5,556.42
5,5s6.45
s,556.15
5,556.89
5,557.07
5,557.62
5,557.51
5,557.77
5,557.84
5,557.99
5,559.33
5,558.57
5,558.53
5,558.62
s,559.03
5,559.09
5,559.32
5,559.63
5,559.55
5,560.06
5,559.91
5,560.09
5,560.01
5,560.23
5,560.43
5,560.39
s,560.61
5,560.99
5,560.94
5,561.29
5,561.35
5,546.20
5,539.47
5,54t.97
5,542.12
5,541.91
5,544.62
s,542.67
5,549.96
5,557.11
5,558.65
5,559.90
rUt4t00
l l/30/00
r2t6t00
t/t4t0t
219/0t
3t29/0t
4/30t01
5t3U0l
6l210t
1n0/01
8l20t0t
9/t9tor
r0/2t01
r1l8/01
t2t3t0r
U3/02
2/6t02
3/26t02
4/9t02
5/23t02
6ts/02
718102
8/23102
9lru02
r0123t02
tt/22t02
t2t3/02
119t03
2lt2/03
3/26t03
4t2/03
5/1t03
619/03
717103
8/4t03
9/1U03
t0/2t03
r1t7/03
t2t3t03
t/tst04
2tr0/04
3/28t04
64.65
64.62
64.92
64. l8
64.00
63.45
63.56
63.30
63.23
63.09
62.74
62.50
62.54
62.45
62.04
61.99
61.7 5
61.44
6t.52
6 r.01
6t.16
60.98
61.06
60.84
60.64
60.68
60.46
60.1 8
60. l3
59.79
59.72
74.87
8 r.60
79.20
78.95
79.16
76.45
78.40
7l.tt
63.90
62.42
61.17
63.45
63.42
63.72
62.98
62.80
62.25
62.36
62.r0
62.03
61.89
61.54
61.30
61.34
61.25
60.84
60.19
60.55
60.24
60.32
s9.81
59.96
59.78
s9.86
59.64
59.44
59.48
59.26
58.98
s8.93
58.59
58.52
73.67
80.40
78.00
77.75
77.96
75.25
77.20
69.91
62.10
6t.22
59.97
I
t
I
I
Water Levels and Data over Time
White Mesa MilI - Well TW4-7
Water
Elevation
Measuring
Point
Elevation
Lengthof
Riser
L
t.20
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depth Of
Well
Land
Surface Date Of
Monitori w.M w.LSD
I
I
5,560.36
5,560.97
5,560.95
5,561.64
5,543.00
5,541.91
s,540.08
5,546.92
5,546.97
5,546.51
5,s46.66
5,546.91
5,548.lg
5 ,547 .l I
5,546.98
5,546.92
5,547.26
5,547.26
5,549.96
s,548.62
5,550.04
5,548.32
5,550.44
5,549.69
5,549.97
s,550.30
5,551.92
s,552.94
5,552.34
4n2/04
5/13t04
6lt8t04
7/28/04
8/30t04
9t16t04
t0/tt/04
tUt6t04
t2/22t04
l/18/0s
2/28t0s
3n5t05
4126/0s
5/24/05
6l30t0s
7/29105
9/t2/05
t2t7/05
3/8/06
6lt3/06
7 /18/06
tt/7 t06
2127t07
st2/07
8/14/07
I0/t0t07
3126t08
6t24t08
8/26/08
60.7 t
60.20
60.12
59.43
78.07
79.16
80.99
74.t5
14.10
74.56
74.41
74.26
72.88
73.96
74.09
74.t5
73.81
73.8r
72.21
12.45
71.03
72.75
70.63
7 r.38
7 1.10
70.77
69.1 5
68. l3
68.73
59.51
59.00
58.92
58.23
76.87
77.96
19.79
72.95
72.90
73.36
73.21
73.06
7 t.68
72.76
72.89
72.95
72.61
72.61
I1.01
71.25
69.83
71.55
69.43
70.1 8
69.90
69.s7
67.9s
66.93
67.53
I
T
Total
Depth
of
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-8
Water Land
Elevation Surface(wL) (LSD)
Measuring LengthPoint OfElevation Riser Date Of(MP) (L) Monitorine
Total or
Measured Total
Depth to Depth to
Water Water
Olw.MP) ftlw.LSD) Well
5,616.80 5,618.21 t.4t 126.00t
I
T
I
I
I
I
I
I
I
I
I
I
t
I
5,543.21
5,543.01
5,543.31
5,543.1 I
5,543.41
5,543.31
5,543.31
5,543.71
5,543.76
5,543.86
5,543.96
5,543.91
5,544.31
5,544.21
5,544.01
5,544.21
5,544.41
5,544.5t
5,544.51
5,544.81
5,544.51
5,544.7 |
5,544.7 t
5,544.81
5,544.69
5,544.76
5,544.77
5,544.76
5,544.92
s,544.96
5,544.98
5,544.97
5,545.21
5,545,31
5,545.43
5,s45.56
5,545.57
5,545.81
5,545.66
5,546.28
5,546.70
tt/29/99
]/2100
r/10/00
t/t7100
U24t00
2nt00
2/7100
2lt4/00
2/23100
3nt00
318/00
3lt5t00
3/20t00
3t29t00
414100
4/t3/00
412U00
4128100
51U00
s/r1t00
5ltst00
5/25/00
619/00
6/16t00
6126100
716t00
7lt3l00
7 /r8t00
7/27100
812t00
819t00
8/lsl00
8/3 l/00
9/8100
9/13/00
9/20t00
l0/s/00
tr/9100
t2t6t00
U3l0l
219/01
7s.00
75.20
74.90
75.10
74.80
74.90
74.90
74.50
74.45
74.35
'74.35
74.30
73.90
74.00
74.20
74.00
73.80
73.70
73.70
73.40
73.70
73.50
'73.50
73.40
73.53
73.45
73.44
73.4s
73.29
73.25
73.23
73.24
73.00
72.90
72.78
72.6s
72.64
72.40
72.55
7 r.93
71.51
73.59
73.79
73.49
73.69
'73.39
73.49
73.49
73.09
73.04
72.94
72.94
72.89
72.49
72.59
72.79
72.59
72.39
72.29
72.29
71.99
72.29
72.09
'72.09
71.99
72.r2
72.04
72.03
72.04
71 .88
71.84
71.82
11.83
71.59
71.49
7 t.37
71.24
71.23
70.99
71.14
70.52
70. l0
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Wetl TW4-8
Measuring LengthWater Land Point Of
Elevation Surface Elevation Riser Date Of(wL) (LSD) (MP) (L) Monitoring
5,616.90 5,619.21 t.4t
Total or
Measured Total Total
Depth to Depth to DepthWater Water Of(blw.MP) (blw.LSD) Well
t26.00
I
I
I
I
I
I
I
I
I
I
I
I
I
I
T
5,547.19
5,547.31
5,547.49
5,547.49
5,547.83
5,549. l3
s,548.30
5,548.45
5,547.49
5,547.54
5,547.83
5,548.l3
5,548.30
5,548.45
5,549.62
5,549.03
5,548.97
5,549.19
5,549.66
5,549.64
5,5s0.01
5,549.97
5,550. l3
5,550.30
5,550.50
5,550.90
5,s50.83
5,551.04
5,551.24
5,551.23
5,551.52
5,551.64
5,549.02
5,544.74
5,543.78
5,543.39
5,543.05
5,543.19
5,543.21
5,543.40
5,548.10
5,549.50
3/27/01
4l30l0r
5/31/01
6/20101
7/rDt0l
8/20t0r
9n9/01
t0/2t01
5l3U0r
612U01
7 tr0/01
8/2010r
9/t9t0r
l0/2101
tU8/01
t2/3t01
1/3t02
2t6/02
3/26/02
4/9/02
s/23102
6tst02
7t8t02
8/23/02
9lr1t02
l0/23/02
tt/22102
t2/3/02
t/9/03
2/t2t03
3/26/03
4/2t03
5lt/03
6t9t03
717/O3
8/4t03
9/rt/03
t0/2t03
rU7/03
tzl3t03
t/15t04
2/10t04
71.03
't0.90
70.72
70.72
70.38
70.08
69.91
69.76
70.72
70.67
70.38
70.08
69.91
69.76
69.59
69.1 8
69.24
69.02
68.55
68.57
68.20
68.24
68.08
67.9r
67.71
67.31
67.38
67.17
66.97
66.98
66.69
66.57
69.19
73.47
74.43
74.82
75.16
75.02
75.00
74.81
70.11
68.71
69.62
69.49
69.31
69.31
68.97
68.67
68.s0
68.35
69.31
69.26
68.97
68.67
68.50
68.35
68.1 8
67.77
67.83
67.61
67.t4
67.16
66.79
66.83
66.67
66.s0
66.30
65.90
65.97
6s.76
65.56
65.57
65.28
65. l6
67.78
72.06
73.02
73.41
73.7 s
73.61
73.59
73.40
68.70
67.30
Water Levels and Data over Time
White Mesa Milt - Well TW4-8
Water
f,levation
Measuring
Point
Elevation Date Of
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depth
of
Well
Length
of
Riser
(L)
Land
Surface
w .LSD
I
I
5,550.97
s,551.33
5,551.87
5,55t.92
5,552.69
5,549.78
5,547.46
5,545.27
5,545.09
5,545.61
5,545.24
5,545.42
5,545.45
5,545.46
5,545.66
5,545.54
5,545.43
5,545.61
5,545.52
5,546.53
s,546.s 1
5,546.51
5,546.46
5,547.92
5,547.01
5,547.40
5,547.57
5,549.76
5,549.17
5,549.3t
3128104
4n2t04
5/13t04
6lt8/04
7/28/04
8130104
9lr6t04
t0/tt/04
tvt6/04
12122/04
l/ I 8/05
2t28/05
3lts/05
4126t05
5124/0s
6t30t0s
7/29105
9lt2/05
t2/7/05
3/8/06
6lt3/06
7 tr8t06
tt/7 /06
2/27t07
5t2/07
8lt4t07
t0/t0/07
3126t08
6/24/08
8126/08
67.34
66.88
66.34
66.29
65.52
68.43
70.7 5
73.00
13.12
72.60
72.97
72.79
72.76
72.7 5
72.55
72.67
72.78
72.60
72.69
71.68
71.70
71.70
71.7 5
70.29
71.20
70.81
70.64
69.45
69.04
68.9
65.93
65.47
64.93
64.88
64.11
67.02
69.34
71.59
7t.7t
71.19
71.56
71.38
7 r.35
71.34
71.14
7r.26
7 t.37
7 t.t9
71.28
70.27
10.29
70.29
70.34
68.88
69.79
69.40
69.23
68.04
67.63
67.49
I
I
I
t
I
I
I
I
I
I
I
I
t
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-9
Water
Elevation
Measuring Length
Land Point Of
Surface Elevation Riser Date Of
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depth
of
WellMonitoriblw.M w.LSD
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
5,577.09
5,577.09
5,577.29
5,577.09
5,577.39
5,577.29
5,577.19
5,577.69
5,577.69
5,577.79
5,577.19
5,577.89
5,569.49
5,578.14
5,577.94
5,578.04
5,578.24
5,578.39
5,578.39
5,578.79
5,578.39
s,578.79
5,578.81
5,579.99
5,578.74
5,578.96
5,578.97
5,578.84
5,579.03
5,579.03
s,579.05
5,579.04
s,579.25
5,579.35
5,579.40
5,519.46
5,579.44
5,579.79
s,579.73
5,580.01
5,580.30
12t20t99
y2100
l/10/00
Ut7t00
U24t00
2/U00
2t7t00
2lt4t00
2/23/00
3nt00
3/8t00
3115t00
3t20t00
3129t00
4/4t00
4lt3l00
4/2U00
4128t00
snt00
s/l 1/00
5/ls/00
5l2st00
6t9t00
6n6t00
6/26/00
7/6100
7/t3t00
7lr8t00
7127t00
8t2t00
8/9/O0
8/15/00
8/3 l/00
918/00
9/13/00
9t20t00
l0/5/00
t19t00
t2/6/00
t/3/0r
2/9/0t
60.5
60.5
60.3
60.s
60.2
60.3
60,4
59.9
59.9
s9.8
59.8
59.7
69.1
s9.4s
59.7 5
59.55
59.35
59.2
59.2
s8.8
59.2
s8.8
58.78
58.7
58.85
58.73
58.72
58.75
58.56
58.s6
58.54
s8.55
58.34
58.24
58. l9
58.1 3
58. l5
s7.8
57.86
57.58
s7.29
59.02
59.02
58.82
59.02
58.72
s8.82
58.92
58.42
58.42
58.32
58.32
58.22
67.62
57.97
58.27
58.07
57.87
57.'.t2
57.72
57.32
57.72
s7.32
51.30
s7.22
57.37
57.25
57.24
57.27
57.08
57.08
57.06
57.07
56.86
56.76
56.71
56.65
s6.67
56.32
56.38
56.1 0
55.81
I
I
I
I
Water Land
Elevation Surface(ryL) (LSD)
Water Levels and Data over Time
White Mesa Mill - Well TW4-9
Measuring LengthPoint Of
Elevation Riser Date Of
Total or
Measured Total Total
Depth to Depth to DepthWater Water Of(MP) (L) Monitoring (blw.MP) (blw.LSD) Well
5,636.1 I 5,637 .59 1.48 12r.33
I
I
t
I
I
I
I
I
I
I
t
I
t
I
I
5,580.66
s,580.75
5,581.04
5,581.12
5,58 l. l5
5,581.51
5,581.70
5,581.61
5,581.04
5,581.12
5,58 l. l5
5,581.51
5,581.70
5,58 l.6l
5,581.83
5,582.17
5,582.21
5,582.s7
5,583.12
5,582.77
5,583.21
5,582.94
5,582.71
5,583.67
5,583.92
5,584.01
5,583.88
5,s83.81
5,594.29
s,584.41
5,584.68
5,584.49
5,584.51
5,583.s9
5,582.96
5,582.98
s,582.s7
s,582.2s
5,582.09
5,582.49
5,583.69
5,593.99
3l27ljt
4t30t0t
5/3y01
6/2U01
7nut0t
8l20l0t
9/t9t}t
t0t2t0t
513U01
612U0l
7ltOl0t
8/2010r
9/t9/01
t0t2t0t
l l/8/01
tzl3t0t
,73102
216102
3126t02
4t9t02
5123102
615102
7/8102
8123102
9nt/02
t0123102
ru22t02
tzl3t02
y9/03
2n2t03
3t26t03
4/2t03
5/t/03
6/9103
7/7/03
8t4t03
9ltU03
t0t2/03
rt/7 t03
12t3/03
t/tsl04
2/10t04
56.93
56.84
56.55
56.47
56.44
56.08
55.89
55.98
56.55
56.47
56.44
s6.08
5s.89
55.98
55.16
55.42
55.38
55.02
54.47
54.82
54.38
54.65
54.88
53.92
53.77
s3.58
53.71
53.78
53.31
53.18
52.9r
53. l0
53.08
54.00
54.63
54.6t
55.02
55.34
55.50
55.1 1
53.90
53.70
55.45
5s.36
55.07
54.99
54.96
54.60
54.41
54.50
55.07
54.99
54.96
54.60
54.41
54.50
s4.28
53.94
53.90
53.54
52.99
53.34
52.90
53.17
53.40
52.44
52.29
52.10
52.23
52.30
51.83
5t.70
5t.43
51.62
51.60
52.52
s3.15
53. l3
53.54
53.86
54.02
53.63
52.42
52.22
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-9
Water Land
Measuring Length
Point Of
Total orMeasured Total Total
Depth to Depth to DepthElevation Surface Elevation Riser Date Of Water Water Of(WL) (LSD) (MP) (L) Monitorins (btw.Mp) (blw.LSD) Welt
5,636.1 I 5,637.59 1.48 t2t.33
I
I
I
I
I
I
t
I
I
t
I
I
t
I
I
5,584.30
5,584.59
5,584.87
5,584.96
5,585.50
5,584.81
5,584.40
5,583.91
5,583.39
5,583.54
5,583.34
s,583.66
5,583.87
5,584.74
5,585.26
5,585.06
5,584.67
5,584.75
5,584.51
5,58s.74
5,584.74
5,584.26
5,584.21
5,584.67
5,584.06
5,585.33
5,585.42
5,587.01
5,585.44
5,585.23
3/28104
4lr2t04
5n3t04
6/18t04
7128104
8130t04
9lt6/04
l0/tU04
rUr6/04
12/22/04
l/l 8/05
2t28/05
3lt5t05
4l26t0s
s/24t0s
6t30t0s
7t29/0s
9lt2t05
t2t7/05
3t8t06
6/13106
7lr8t06
tt/7 t06
2127t07
512/07
8n4t07
t0lt0t07
3126108
6/24108
8126t08
53.29
53.00
52.72
52.63
52.09
52.78
53.1 9
s3.68
54.20
54.0s
54.25
53.93
53.72
52.85
52.33
52.53
52.92
52,84
53.08
5 1.85
52.85
53.33
53.38
52.92
53.53
52.26
52.17
50.58
52.15
52.36
51.81
51.52
51.24
51.r5
50.61
51.30
51.71
52.20
52.72
52.57
s2.77
52.4s
52.24
51.37
50.8s
5l.05
5r.44
51.36
51.60
50.37
51.37
51.85
51.90
5t.44
52.05
50.78
50.69
49.10
s0.67
s0.88
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-10
Water Land
Elevation Surface(WL) (LSD)
Measuring LengthPoint Of
Elevation Riser
Total or
Measured
Depth to
Date Of Water(MP) (L) Monitorine ftlw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth
of
Well
5,631.99 5,634.24 2.25 121.33t
I
I
I
I
I
I
I
I
I
I
I
I
I
I
5,576.75
5,576.92
5,577.43
5,577.22
5,517.80
5,577.47
5,577.55
5,578.10
5,578.24
5,578.49
5,578.43
5,578.43
s,578.66
5,578.66
5,578.78
s,578.90
5,578.83
5,578.05
5,577.38
5,577.15
5,576.76
s,576.36
5,576.05
5,576.20
5,577.43
5,577.81
5,578.47
5,578.69
5,578.93
5,578.99
5,579.19
5,579.06
5,578.78
5,577.80
5,577.13
5,576.96
s,576.63
5,576.82
5,576.86
5,577.52
5,578.01
U3t02
216/02
3126t02
419102
5123102
615t02
118t02
8123102
9/tU02
10123102
tU22t02
t2t3t02
U9/03
2lt2l03
3/26t03
4/2t03
s/U03
6t9/03
717103
814103
9/ty03
r0l2103
t17t03
Lzt3t03
Ur5t04
2/10104
3/28t04
4lt2/04
5/13t04
6/18104
7t28t04
8/30104
9/16104
t0ltU04
tUr6/04
t2/22104
l/18/0s
2128t05
3ltst05
4/2610s
5l24l0s
57.49
57.32
56.81
57.02
s6.44
56.77
56.69
56.14
56.00
55.75
55.81
55.81
55.58
55.58
55.46
55.34
55.41
s6.1 9
56.86
57.09
57.48
57.88
58. l9
58.04
56.81
56.43
55.77
5s.55
55.31
55.25
55.06
55.1 8
55.46
56.44
57.1r
57.28
57.61
57.42
s7.38
56.72
s6.23
55.24
55.07
54.56
54.77
54.t9
54.52
54.44
53.89
53.75
53.50
53.56
53.56
53.33
s3.33
53.21
53.09
53.16
53.94
s4.6t
54.84
55.23
55.63
55,94
55.79
54.56
54.1 8
53.52
53.30
s3.06
53.00
52.81
52.93
53.21
54.t9
54.86
55.03
55.36
55.r7
55. l3
54.4',7
53.98
Water Levels and Data over Time
White Mesa Mill - Well TW4-10
Water Land
Elevation Surface
Measuring LengthPoint Of
Elevation Riser Date Of
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depthof
WellMoniw.
5.631.99 s.634.24 2.25 t21.33
5,578. l5
5,577.90
5,578.02
5,57?.56
5,579.69
5,578.34
s,577.94
5,578.01
5s78.43
5,577.84
5,578.74
5,579.04
5,580.69
5,579.87
5,579.47
6130/0s
7129t05
9n2t0s
t2/710s
3/8t06
6/t3t06
7lt8/06
tr/7t06
2t27t07
512/07
8n4/07
t0/10t07
3t26/08
6/24t08
8t26/08
56.09
56.34
56.22
56.68
54.55
55.90
56.30
56.23
55.81
56.40
55.50
s5.20
53.5s
54.37
54.77
s3.84
54.09
53.97
54.43
52.30
53.65
54.05
53.98
53.56
54.1 5
53.25
52.95
51.30
52.12
52.52
I
I
I
I
Water Levels and Data oyer Time
White Mesa Mill - Welt TW4-11
Water
Elevation
(lYL)
Measuring
Point
Surface Elevation(LSD) (MP)
LengthofRiser Date Of(L) Monitorins
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
fttw.LSD)
Total
Depth
of
Well
5,621.92 5,623.62 t.70 t21.33I
I
I
t
I
I
I
I
I
I
I
I
I
I
I
5,548.32
5,549.73
5,549.03
5,548.94
5,549.30
5,549.01
5,549.22
5,549.44
5,549.57
5,549.64
5,549.58
5,549.62
5,549.85
5,549.91
5,550.l5
5,550.01
5,550.31
5,550.44
5,550.33
5,550.35
5,550.44
5,550.47
5,550,60
s,550.60
5,550.94
5,551.00
5,550.34
5,551.54
5,55 1.89
5,551.94
5,552.49
5,552.74
5,553.01
5,553.1 I
s,553.19
5,553.53
s,553.31
5,553.84
5,554.04
5,554.23
s,553.87
t/3t02
2/6t02
3/26102
4t9/02
5123102
615102
718/O2
8123102
9lrU02
10123102
tl22t02
12l3/02
U9t03
2lt2t03
3126/03
412/03
51U03
6t9t03
7 t7 /03
8t4103
9/tt/03
t0/2103
tU7t03
t2l3/03
lt5t04
2ltul04
3128/04
4lt2t04
sn3/04
6/18t04
7128/04
8/30104
9/t6104
t0/tt/04
tlt6t04
12122/04
l/l 8/05
2t28t0s
3trst05
4126t05
5124t05
7s.30
74.89
74.59
74.78
74.32
74.61
74.40
74.18
74.05
73.98
74.04
74.00
73.77
73.71
73.47
73.61
73.31
73.18
73.29
73.27
73.1 8
73.15
73.02
73.02
72.68
72.62
73.28
72.08
71.73
7 t.68
7 r.t3
70.88
70.61
70.5r
70.43
70.09
70.31
69.78
69.58
69.39
69.75
73.60
73,r9
72.89
73.08
72.62
72.91
72.70
72.48
72.35
72.28
72.34
72.30
72.07
72.01
7 1.77
71.91
71.61
71.48
71.59
71.57
71.48
7 t.45
7 t.32
71.32
70.98
70.92
71.58
70.38
70.03
69.98
69.43
69.1 8
68.91
68.81
68.73
68.39
68.61
68.08
67.88
67.69
68.0s
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-11
Water Land
Measuring
Point
Elevation Surface Elevation(wL) (LSD) (MP)
Length
of
Riser Date Of(L) Monitorins (btw.LSD)Well
Total or
Measured
Depth to
Water
(blw.MP)
Total Total
Depth to DepthWater Of
5,621.92 5,623.62 1.70 t21.33
I
I
I
I
t
I
I
I
I
I
t
I
t
I
t
5,554.46
5,554.57
5,553.86
5,555.30
5,556.20
5,556.48
5,ss6.37
s,556.94
ss57.92
5,557.84
5,558.02
5,557.13
5,569.74
5,561.01
5,562.07
6/30t05
7 /29t05
9lt2t05
t2l7/05
3/8/06
6lr4t06
7l18106
tt/1 t06
2t27/07
st2/07
8lt5/07
t0lt0/07
3/26t08
6124/08
8/26108
69.16
69.05
69.76
68.32
67.42
67.t4
67.25
66.68
65.7
65.78
6s.60
66.49
53.88
62.6r
61.55
67.46
67.3s
68.06
66.62
65.72
65.44
65.55
64.98
64
64.08
63.90
64.79
52.1 8
60.91
59.85
Water Levels and Data over Time
White Mesa Mill - Well TW4-12
Measuring LengthWater Land Point Of
Elevation Surface Elevation Riser(wL) (LSD) (MP) (L)
Total orMeasured Total
Depth to Depth to
Date Of Water Water
Monitorins (blw.MP) (btw.LSD)
Total
Depthof
Welt
5,622.39 5,624.03 1.65 121.33
s,580.71
5,581.34
5,58 L l3
5,581.27
5,581.35
5,582.39
5,582.27
5,582.51
5,58 1.9 I
s,582.72
s,s82.93
5,583.01
5,583.1 I
5,583.35
5,583.52
5,583.57
5,583.81
s,584.t7
5,584.19
5,584.31
5,584.70
s,584.68
5,584.73
5,585.l6
5,585. l g
s,585.29
5,585.65
5,s85.71
5,586.15
5,585.94
5,586.36
5,586.75
5,587.00
5,587.15
5,587.39
5,587.38
5,587.74
5,588.23
5,588.72
s,588.14
5,588. r3
8t23t02
9ltU02
t0/23t02
ty22/02
t2l3l02
U9t03
2n2t03
3126t03
4t2t03
51U03
619103
7 t7 t03
814t03
9ltl03
r0/2t03
tt/7/03
t2t3t03
Utst04
2lt0/04
3/28t04
4l12/04
st13t04
6/18/04
7128t04
8/30t04
9lt6104
l0nv04
tvt6/04
t2/22t04
l/l 8/05
2/28t05
3tr5/0s
4/26t05
5124t05
6/3010s
7129/05
9/t2t05
t2l7 t05
3t8/06
6n3t06
7/18106
43.32
42.69
42.90
42.76
42.68
41.65
41.76
41.s2
42.t2
4r.3t
41.10
41.02
40.92
40.68
40.51
40.46
40.22
39.86
39.84
39.72
39.33
39.3s
39.30
38.87
38.85
38.74
38.38
38.32
37.88
38.09
37.61
37.28
37.03
36.88
36.65
36.65
36.29
35.80
35.31
3s.89
3s.90
4r.67
4r.04
4r.25
4l.l I
41.03
40.00
40.1 1
39.87
40.47
39.66
39.45
39.37
39.27
39.03
38.86
38.81
38.57
38.21
38. l9
38.07
37.68
37.70
37.65
37.22
37.20
37.09
36.73
36.67
36.23
36.44
36.02
35.63
35.38
35.23
3s.00
3s.00
34.64
34.1 5
33.66
34.24
34.25
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Wetl TW4-12
water Land *ffllT* Length
Elevation Surface Elevation Riser
Total orMeasured Total Total
Depth to Depth to Depth
Date Of Water Water Of(lYI,) (LSD) (MP) (L) Monitoring (btw.MP) ftlw.LSD) Well
5,622.38 5,624.03 t21.331.65
I
I
I
I
I
I
I
I
T
I
I
I
I
T
I
5,584.s0
5588.65
5,588.33
5,586.29
5,586.48
5,587.56
5,587.39
5,587. l5
ru7t06
2127101
sl2t07
8lt4l07
L0lt0t07
3126t08
6/24108
8126t08
39.53
35.38
35.70
37.74
37.55
36.47
36.64
36.88
37.88
5J.l)
34.05
36.09
35.90
34.82
34.99
35.23
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-13
Water Land
Elevation Surfacewr) (LSD)
Measuring Length
Point Of
Elevation Riser Date Of(MP) (L) Monitorins
Total or
Measured Total Total
Depth to Depth to DepthWater Water Of(blw.MP) ftlw.LSD) Well
5,618.09 5,619.94 1.85 t21.33I
I
I
I
I
I
I
I
t
I
I
I
I
t
I
5,529.66
5,530.66
5,529.10
5,530.58
5,530.61
5,529.74
5,531.03
5,531.92
5,524.63
5,531.54
5,538.46
5,539.38
s,540.72
5,541.25
5,54t.34
5,54t.69
5,541.91
5,542.44
5,542.47
5,542.84
5,543.09
5,543.34
5,543.40
5,544.06
5,544.61
5,545.23
5,546.20
5,547.43
5,549.96
5,549.02
5,550.66
5,551.26
5 SS? ?1
5,552.87
5,553.42
5,554.00
s,555.21
5,558. l3
5,562.93
5,564.39
5,562.09
8/23102
9/1y02
r0123t02
tt/22102
t2/3/02
U9/03
2lr2t03
3126103
412/03
s/U03
6/9t03
717 /03
8/4t03
9/1U03
I0l2t03
rU7/03
L2t3t03
Ut5l04
2/t0/04
3/28/04
4lt2t04
5/13/04
6/18104
7/28104
8/30104
9lt6104
t0lr1704
tut6104
12t22t04
1/18/05
2t28t0s
3/ts/0s
4126t05
5/24t05
6/30t05
7/29t05
9tr2t05
t2t7 /0s
3t8/06
6/13/06
7/tgt06
90.28
89.28
90.84
89.36
89.33
90.20
88.91
88.12
95.31
88.40
81.48
80.s6
79.22
78.69
78.60
78.25
78.03
77.50
77.47
77.10
76.86
76.60
76.54
75.88
75.33
74.71
73.74
72.5t
70.98
70.92
69.28
68.68
67.71
6',t.07
66.52
65.94
64.73
61.81
57.01
55.55
57.8s
88.43
87.43
88.99
87.51
87.48
88.35
87.06
86.27
93.46
86.55
79.63
78.7 |
77.37
76.84
76.75
76.40
76.18
75.65
75.62
7 5.25
75.01
74.75
74.69
74.03
73.48
12.86
7 t.89
70.66
69.13
69.07
67.43
66.83
65.86
65.22
64.67
64.09
62.88
59.96
55.1 6
53.70
56.00
Water
Elevation
(lYL)
Water Levels and Data over Time
White Mesa Milt - Well TW4-13
Total or
Measuring Length Measured Total TotalLand Point Of Depth to Depth to DepthSurface Elevation Riser Date Of Water Water Of(LSD) (MP) (L) Monitorins (btw.MP) fttw.LSD) Well
5,618.09 5,619.94 1.8s 121.33
5,565.49
5571.08
5,570.63
5,56s.24
5,565.83
s,569.29
s,s70.00
5,570.41
tl7l06
2127t07
512t07
8/t4/O7
t0lt0l07
3t26t08
6/24/08
8126108
54.45
48.86
49.31
54.7
54.1 I
50.6s
49.94
49.53
52.60
47.01
47.46
52.85
52.26
48.80
48.09
47.68
I
I Water Levels and
Data over Time
White Mesa Mill
Well TW4-14
Water Land
Elevation Surface Measuring Point
Total or
Measured TotalOf Depth to Totat Depth DepthRiser Date Of Water to Water Of
Length
(wL) (LSD) Elevation (MP) (L) Monitoring (btw.Mp) (blw.LSD) wefl
I
I
5,518.90
5,519.29
5,519.95
5,520.32
5,520.42
5,520.70
5,520.89
5,521.12
5,521.12
5,521.24
5,521.34
5,521.36
5,521.35
5,521.30
5,s21.35
5,521.36
5,521.16
5,521.29
5,521.36
5,521.46
5,521.54
5,521.59
5,521.69
5,521.71
5,521.76
5,521.7't
5,52t.79
5,521.80
5,521.82
5,521.82
5,521.86
5,52 1.85
5,521.91
5,521.93
5,521.94
5,521.84
5,521.99
5,522.04
5,522.05
8/231O2
9ltU02
t0/23102
ty22/02
12t3/02
U9/03
2/t2t03
3t26t03
4t2t03
s/r/03
6t9t03
7 /7103
8t4/03
9ltU03
t0/2t03
ty7t03
12/3103
t/t5/04
2n0t04
3128t04
4lt2/04
5/13t04
6n8/04
7/28t04
8/30104
9/16104
tont/04
tUt6t04
tzt22/04
l/l 8/0s
2128/05
3/tst05
4/26/05
5/24t05
6t30/05
7/29t05
9n2t0s
tzt7 t05
3/8/06
93.87
93.49
92.82
92.45
92.35
92.0',7
91.88
9t.65
91.65
91.53
91.43
91.41
9t.42
9t.47
9t.42
91.41
91.61
91.48
9r.41
91.31
91.23
91.18
91.08
91.06
91.01
91.00
90.98
90.97
90.95
90.95
90.91
90.92
90.86
90.84
90.83
90.93
90.78
90.73
90.72
92.02
91.64
90.97
90.60
90.50
90.22
90.03
89.80
89.80
89.68
89.58
89.56
89.57
89.62
89.57
89.56
89.76
89.63
89.56
89.46
89.38
89.33
89.23
89.21
89. l6
89.1 5
89. l3
89.t2
89.1 0
89.1 0
89.06
89.07
89.01
88.99
88.98
89.08
88.93
88.88
88.87
I
I
I
I
I
I Water Land
Elevation Surface(WL) (LSD)
Water Levels and
Data over Time
White Mesa Mill
Well TW4-14
Measuring Point
flevation (MP)Monitoring (blw.MP) (blw.LSD)
Length
of
Riser
(L)
Total orMeasured Totat
Depth to Total Depth Depth
Date Of Water to Water Of
Well
t.8sI5,610.92 5,612.77 r2t.33
I
t
I
I
I
I
I
I
I
I
I
I
I
I
5,522.21
5,521.92
5,520.17
5522.24
5,522.47
5,520.74
5,5 18. l3
5,522.85
5,522.91
5,523.01
6/13/06
7 /t8t06
rU7t06
2/27t07
5t2/07
8/r4/07
t0/10t07
3126t08
6/24t08
8126t08
90.s0
90.85
92.60
90.s3
90.30
92.03
94.64
89.92
89.86
89.76
88.65
89.00
90.75
88.68
88.45
90. l8
92.79
88.07
88.01
87.91
Water Levels and Data over Time
White Mesa Mill - Well TW4-15 (MW-26)
Water
Elevation
Land
Surface
Measuring Length
Point OfElevation Riser Date Of
Total or
Measured
Depth to
Water
Total
Depth to
Water
Total
Depth
of
WellMonitoriblw.M w.LSD
I
I
5,574.75
5,574.97
5,575.10
5,5',74.99
5,575.28
5,57 5.4r
5,575.43
s,57s.63
s,575.9t
5,575.81
5,572.36
5,570.70
5,570.29
5,560.94
5,560.63
5,560.56
s,564.77
5,570.99
5,572.55
5,574.25
5,574.77
5,575.53
5,575.59
5,576.82
5,527.47
5,553.97
5,s62.33
5,550.00
5,560.02
5,546.11
5,556.11
5,554.95
5,555.49
5,551.09
5,552.85
5,554.30
5,554.97
5,550.99
55s8.77
s,548.54
5,55 1.33
8/23t02
9trU02
t0/23102
tU22t02
t2/3102
r/9/03
2/r2t03
3126t03
4t2/03
snt03
6/9/03
717 t03
814t03
9/1U03
t0/2103
tU7t03
t2/3/03
1tr5t04
2/10t04
3128t04
4/12t04
s/t3t04
6lt8t04
7/28t04
9lt6/04
tyt6t04
12t22t04
1/l 8/05
4126t05
s/24/0s
6/30/05
7/29t0s
9tr2t05
t2t7/0s
3/8/06
6t13/06
7n8t06
tl7t06
2/27/07
5/2107
t0n0t07
50.70
50.48
50.35
s0.46
50.1 7
50.04
50.02
49.82
49.54
49.64
53.09
54.75
55.1 6
64.51
64.82
64.89
60.68
54.56
52.90
sl.20
50.68
49.92
49.86
48.63
97.98
71.48
63.12
75.45
6s.43
79.34
68.74
70.50
69.97
74.36
72.60
11.t5
70.s8
74.57
66.68
76.91
74.12
49.40
49.1 8
49.05
49.t6
48.87
48.74
48.72
48.52
48.24
48.34
51.79
53.45
53.86
63.2t
63.52
63.59
59.38
53.26
51.60
49.90
49.38
48.62
48.56
47.33
96.68
70.1 8
61.82
74.15
64.r3
78.04
67.44
69.20
68.67
73.06
71.30
69.85
69.28
73.27
65.38
75.61
72.82
t
t
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-15 (MW-26)
Measuring LengthWater Land Point Of
Elevation Surface Elevation Riser Date Of(WL) (LSD) (MP) (L) Monitoring
5,624.15 5,625.45 1.30
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth
of
Well
tzt.33
3126t08
6/2st08
8126t08
t
I
I
I
5,545.56
5,545.56
5,545.82
79.89
79.89
79.63
18.59
78.59
18.33
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-16
Measuring LengthWater Land Point
Elevation Surface Elevation Riser(wL) (LSp) (MP) (L)
Total or
Measured Total Total
Depth to Depth to Depth
Date Of Water Water OfMonitoring (btw.MP) (blw.LSD) Welt
5,622.19 5,624.02 1.83 121.33I
I
I
I
I
I
I
I
I
I
I
I
t
I
I
s,562.91
5,563.45
s,563.7s
5,s63.68
5,563.69
5,564.16
5,564.25
5,564.53
5,564.46
s,564.79
s,564.31
5,563.29
5,562.76
5,s61.73
5,561.04
5,560.39
5,559.79
5,561.02
5,561.75
5,562.98
s,563.29
5,564.03
5,564.09
5,565.08
5,564.56
5,s63.55
5,561.79
5,560.39
5,559.71
5,559.14
5,558.65
5,558.54
5,558.22
5,558.54
5,559.24
s,559.38
5,559.23
5,557.67
5,557.92
5,558.47
5,558.42
8/23t02
9ltt/02
t0/23t02
ty22t02
t2/3t02
U9103
2tr2t03
3/26/03
4t2t03
51U03
6/9t03
717103
8/4103
9/tU03
r0t2t03
tt/7 t03
t2l3t03
t/15t04
2/tDt04
3128t04
4lt2l04
5/t3104
6lt\l04
7/28t04
8/30t04
9lt6t04
t0n1t04
tvt6t04
12t22t04
l/18/05
2/28/05
3/tst0s
4t26t05
5/24/05
6130105
1/29/05
9lt2t0s
t2/7 t05
318106
6/t3t06
7lt8/o6
6l.l I
60.5',1
60.27
60.34
60.34
s9.86
59.77
59.49
59.56
59.23
59.7r
60.13
61.26
62.29
62.98
63.63
64.23
63.00
62.27
61.04
60.73
59.99
59.93
58.94
s9.46
60.47
62.23
63.64
64.31
64.88
65.37
65.48
65.80
65.48
64.78
64.64
64.79
66.35
66. l0
6s.55
65.60
59.28
58.74
58.44
58.51
58.51
58.03
57.94
57.66
57.73
57.40
57.88
58.90
59.43
60.46
61.15
61.80
62.40
6r.17
60,44
59.21
58.90
58.16
58.10
57.1 I
57.63
58.64
60.40
61.81
62.48
63.0s
63.54
63.6s
63.97
63.6s
62.95
62.8t
62.96
64.52
64.27
63.72
63.77
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-16
Water Land
Elevation Surface Elevation(!u,) (LSD) (lvIP)
Measuring LengthPoint Of
Total or
Measured Total
Depth to Depth toWater Water(blw.MP) (btw.LSD)
Riser Date Of(L) Monitorine
Total
Depth
of
Well
5,622.19 5,624.02 1.83 tzr.33
I
I
I
I
I
I
I
I
I
t
I
I
t
I
I
5,559.09
5557.34
5,54',7.11
5,558.52
5,559.02
5,561.04
5,560.06
5,559.32
rU7t06
2/27t07
5/2107
8lr4t07
t0lt0t07
3126/08
6/24t08
8126t08
65.93
66.68
76.91
65.5
65.00
62.98
63.96
64.7
64.10
64.85
75.08
63.67
63.17
61.15
62.t3
62.87
I
I
I
I
I
I
I
t
I
t
I
I
t
I
I
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Welt TW4-17 (MW-32)
Measuring LengthWater Land Point Of
Total or
Measured Total Total
Depth to Depth to DepthElevation surface Elevation Riser Date of water water of(WL) (LSD) MP) (L) Monitoring (btw.Mp) (btw.LSD) Well
5,623.41 5,625.24 L83
5,542.17
5,542.39
5,542.61
5,542.49
5,542.92
5,543.03
5,543.04
5,543.41
5,543.69
5,543.77
5,544.01
5,544.05
5,543.99
5,544.11
5,544.06
5,544.03
5,543.94
5,543.98
5,543.95
5,544.05
s,544.33
s,544.55
5,544.59
s,54s.08
5,545.26
5,545.49
5,545.61
5,545.46
5,545.66
5,545.33
5,545.51
5,545.57
5,545.46
5,545.45
5,545.33
5,545.16
5,545.54
5,545.77
5,546.09
5,545.94
5,545.94
8t23t02
9nU02
r0123102
tt/22t02
t2l3l02
U9/03
2n2t03
3/26t03
4/2t03
5t,703
6t9/03
7 t7 t03
8t4/03
9ltt/03
r0t2/03
tt/7 t03
t2t3/03
Utst04
2n0/04
3128t04
4lt2t04
5n3/04
6/t8t04
7128/04
8/30t04
9/16/04
t0nt/04
tt/t6t04
t2/22/04
l/l 8/0s
2/28t05
3/r5/05
4126/0s
5/24/05
6/30t0s
7129/05
9/12/0s
t2/7 /0s
3/8t06
6/13t06
7lt8t06
83.07
82.85
82.63
82.75
82.42
82.21
82.20
81.83
8 1.5s
81.47
81.23
81.19
81.25
81.07
81.18
81.21
8 1.30
8t.26
8 1.39
81.19
80.91
80.69
80.65
80.1 6
79.98
79.76
79.63
79.78
79.58
79.91
79.73
79.67
79.78
79.79
79.9r
80.08
79.70
79.47
79.15
79.30
79.30
81.24
81.02
80.80
80.92
80.59
80.38
80.37
80.00
79.72
79.64
'79.40
79.36
79.42
79.24
79.3s
79.38
79.47
79.43
79.s6
79.36
79.08
78.86
78.82
18.33
78.15
77.93
77.80
77.95
77.75
78.08
77.90
77.84
77.95
77.96
78.08
78.25
77.87
77.64
71.32
77.47
77.47
I
I
I
I
Water Levels and Data over Time
White Mesa Mill - Well TW4-17 (MW-32)
Water Land
Elevation Surface(!u,) (LSD)
Measuring LengthPoint Of
Elevation Riser Date Of
(MP)(L) Monitorins
Total or
Measured Total Total
Depth to Depth to DepthWater Water Of(blw.MP) Olw.LSD) Well
5.623.41 s,625.24 1.83 t21.33
I
I
I
I
T
I
I
I
t
I
I
I
I
I
I
5,546.24
5546.81
5546.56
5546.81
s546.96
5547.9
5548.08
s548.42
tt/7/06
2127107
st2t01
8/15t07
t0lt0l07
3/26/08
6125t08
8/26/08
79.00
78,43
78.68
78.43
78.28
77.34
77.16
76.82
77.17
76.6
76.85
76.6
76.45
75.5t
75.33
74.99
T
I
I
I
Water Levels and Data over Time
White Mesa Mill - Wetl TW4-18
Measuring LengthWater Land Point Of
Elevation Surface Elevation Riser Date Of(WL) (LSD) (MP) (L) Monitoring
Total or
Measured
Depth to
Water
(blw.MP)
Total
Depth to
Water
(blw.LSD)
Total
Depth
of
Well
I
I
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I
I
I
I
I
I
I
I
I
I
I
I
5,639.13 5,641.28 2.t5
5,585.13
5,585.41
5,585.47
5,585.40
5,585.69
5,585.90
5,590.79
5,586. l g
5,586.36
5,586.24
5,584.93
5,584.46
5,584.55
5,584.01
s,583.67
5,583.50
5,584.08
5,585.45
5,585.66
5,586. l3
5,586.39
5,586.66
5,596.77
5,597.35
5,586.34
5,s85.85
5,s85.22
s,584.70
5,584.91
5,584.69
5,585.02
5,585.25
s,586.31
5,596.97
5,596.59
5,586.10
5,586.05
5,585.86
5,587. l3
s,585.93
5,585.40
8t23t02
9ltU02
t0/23/02
tU22/02
t2/3102
t/9t03
2/t2/03
3t26t03
412103
5/t/03
6t9t03
7 /7 /03
8t4/03
9lrr/03
t0/2t03
tv7t03
t2/3103
Ut5l04
2/10t04
3128t04
4/12/04
5lt3t04
6/18t04
7128t04
8130t04
9/16/04
tjnU04
tt/t6/04
t2/22/04
l/1 8/05
2/28/0s
3nst0s
4t26/05
5124t05
6/30t0s
7/29/05
9lt2t05
t2l7 /05
3/8t06
6lt3t06
7/t8/06
56.1s
55.87
55.81
55.88
s5.60
55.38
50.49
55. l0
54.92
55.04
56.35
s6.82
56.73
57.27
57.6r
57.78
s7.20
55.83
s5.62
55.15
54.89
54.62
54.51
53.93
54.94
55.43
s6.06
56.58
56.47
56.60
56.26
56.03
54.97
54.3t
54.70
55.1 8
55.23
55.42
54.1 5
55.35
s5.88
54.00
53.72
53.66
53.73
53.45
53.23
48.34
52.95
52.77
52.89
54.20
54.67
54.58
55.12
55.46
55.63
55.05
53.68
53.47
53.00
52.74
52.47
52.36
51.78
52.79
53.28
53.91
54.43
54.32
54.45
54.1 1
53.88
52.82
52.16
52.s5
53.03
53.08
53.27
52.00
53.20
53.73
I
I
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Water Levels and Data over Time
White Mesa MiIl - Well TW4-18
Water
Elevation
5,585.39
5585.83
5585. I 5
5586.47
s586.3
Land
Surface
Total or
Measured
Depth to
Water
55.90
55.45
56.13
54.81
54.98
Total
Depth to
Water
Total
Depthof
Well
t21.33
Date Of
Moni
tU7t06
2t27t07
5t2t07
6/24t08
8t26t08
Measuring LengthPoint Of
Elevation Riser
WL D blw.M blw.LS
5,639.l3 t.28
53.75
s3.30
53.98
52.66
52.83
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I Water Land
Elevation Surface(wL) (LSD)
Water Levels and Data over Time
White Mesa Mill - Well TW4-19
Total or
Measuring Length MeasuredPoint Of Depth toElevation Riser Date Of Water(MP) (L) Monitorins (blw.MP)
Total
Depth to Total
Water Depth
ftlw.LSD) Of Well
5,629.53 5,63t.39 1.86 12t.33I
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t
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5,581.88
5,582.14
5,582.06
5,582.07
5,582.16
5,582.28
5,582.29
s,582.74
5,582.82
5,548.47
5,564.76
5,562.53
5,564.10
5,566.01
5,555.16
5,549.90
5,546.04
5,547.34
5,548.77
5,55 l. l8
5,556.91
5,562.63
5,573.42
5,552.94
5,554.00
5,555.99
5,552.00
5,545.74
5,544.06
5,548.81
5543.59
5544.55
55s8.97
5559.73
5569.26
553s.47
5541.41
8123t02
9lrU02
10123102
tU22t02
t2t3t02
U9103
2lt2t03
3126t03
4t2t03
s/U03
6t9t03
717103
8/4103
8/30t04
9lr6t04
totrU04
tvr6t04
t2/22/04
l/18/0s
2/28t0s
3lt5t0s
4/26105
5124105
7l29l0s
9lt2t05
t2t7 t05
3t8t06
6/13t06
7 trgt06
tU7t06
2127t01
5/2107
8/t5107
t0/10/07
3/26t08
6125/08
8/26t08
49.51
49.25
49.33
49.32
49.23
49.11
49.10
48.6s
48.57
82.92
66.63
68.86
67.29
65.38
76.23
8 1.59
85.35
84.05
82.62
80.21
74.58
68.76
57.97
78.45
77.39
75,41
79.39
85.65
87.33
82.58
87.8
86.84
72.42
71.66
62.13
95.92
89.98
47.65
47.39
47.47
47.46
47.37
47.25
47.24
46.79
46.71
81.06
64.77
67.00
65.43
63.52
74.37
79.13
83.49
82.r9
80.76
78.3s
72.12
66.90
s6.ll
76.59
75.53
73.5s
77.53
83.79
85.47
80.72
85.94
84.98
70.56
69.8
60.27
94.06
88. l2
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I
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Water Levels and Data over Time
White Mesa MiIl - Well TW4-20
Water
Elevation
(wL)
Measuring LengthLand Point Of
Surface Elevation Riser Date Of
Total or
Measured
Depth to
Water
Total Total
Depth to Depth
Water Of
6lw.LSD) Well(LSD) (MP)(L) Monitorins (blw.MP)
s,628.52 s,629.s3 l.0l 106.0I
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t
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5,565.70
5,546.53
5,540.29
5,54t.17
5,540.33
5,530.43
s,569.l3
5,547.95
5,550.58
5,563.60
s,555.8s
5,569.10
s,560.00
5,539.64
5,629.53
7129105
8/30t05
9lt2l05
t2l7l05
3t8t06
6/13/06
7lr8t06
tU7l06
2t27/07
sl2l07
8lt4l07
L0lr0t07
3t26t08
6/2s108
8126108
63.83
83.00
89.24
88.36
89.20
99.10
60.40
8 1.58
80.28
78.95
65.93
73.68
60.43
69.53
89.89
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Water Levels and Data over Time
White Mesa Mill - Well TW4-21
Water Land
Measuring LengthPoint Of
Total or
Measured Total Total
Depth to Depth to DepthWater Water Of
t20.92
Elevation Surface Elevation Riser Date Of
s,638.20 5,639.35 1.15
5,582.98
5,583.43
5,581.97
5,580.50
5,583.64
5,580.55
5,578.95
5,578.47
5,579.53
5,578.07
5,583.41
5,583.45
5,586.47
5,579.16
5,579.92
7t29t05
8/30/05
9/12t05
t2t7 t05
318t06
6lt3t06
7/t&t06
tU7t06
2t27/07
sl2/07
8tr5t07
t0/t0t07
3126108
6t24/08
8126t08
56.37
s5.92
57.48
58.85
55.71
58.80
60.40
60.88
59.82
6t.28
s5.94
s5.9
52.88
60.1 9
59.43
(WL) (LSD) (MP) (L) Monitorine @tw.Mp) (btw.LSp) Wetl
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Water Levels and Data over Time
White Mesa Mill - Well TW4-22
Water
Elevation
(wL)
Land
Surface
(LSD)
Measuring LengthPoint Of
Elevation Riser Date Of
Total or
Measured
Depth to
Water
Total Total
Depth to DepthWater Of(btw.LSD) WellCMP)(L) Monitorins (blw.MP)
5.627.83 5.629.00 t.t7 I13.5I
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5,571.89
5,512.20
5,572.08
5,571.61
5,571.85
5,57t.62
5,571.42
5,571.02
557 r.24
5,570.75
5,571.82
5,571.99
5,573.05
s,573.04
5,573.04
7/29t05
8/30/0s
9n2t05
t2l7t05
318106
6lt3t06
7/18t06
tt/7 t06
2127107
6129t07
8lt4t07
t0n0t07
3/26108
6124t08
8/26t08
57.1 I
56.80
56.92
57.39
57.15
57.38
57.58
57.98
57.76
58.25
57.1 8
57.01
55.95
55.96
55.96
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