DRC-2014-003183 - 0901a068804386eb

Energy Fuels Resources (USA) Inc.
225 Union Blvd. Suite 600
Lakewood, CO, US, 80228
303 974 2140
www.energyfuels.com
May 5, 2014
VIA PDF AND OVERNIGHT DELIVERY
Rusty Lundberg,
Director, Division of Radiation Control
Utah Department of Environmental Quality
195 North 1950 West ' r
P.O. Box 144850 L
Salt Lake City, UT 84114-4850
Re: State of Utah Ground Water Discharge Permit No. UGW370004
White Mesa Uranium Mill - Notice Pursuant to Part I.G.I (a)
Dear Mr. Lundberg:
The White Mesa Mill (the "Mill") performed first quarter ("Ql") groundwater monitoring during the
period from January 1, to March 31, 2014 under the August 24, 2012 version of the Mill's Groundwater
Discharge Permit (the "GWDP"). All analytical data needed for comparison to the GWCLs were
received during the period ending April 21, 2014.
Pursuant to Part I.G.I.a) of the GWDP, (August 24, 2012) please take notice that the concentrations of
specific constituents in the monitoring wells highlighted in yellow and bold italics in the columns for this
quarter in the attached Table 1 exceeded their respective GWCLs. For ease of review, Table 1 has been
formatted to simplify the tracking of any continued exceedances from one monitoring period to the next
by charting ongoing monitoring of the same well in the same row, and by highlighting exceedances (in
color and bold italics).
Part I.G. 1 c) of the GWDP states "that the Permittee shall prepare and submit within 30 calendar days to
the Executive Secretary a plan and a time schedule for assessment of the sources, extent and potential
dispersion of the contamination, and an evaluation of potential remedial action to restore and maintain
groundwater quality to ensure that Permit limits will not be exceeded at the compliance monitoring point
and that DMT or BAT will be reestablished." The summary below relating to Ql 2014 exceedances
includes, for each exceedance, a brief discussion of whether such a plan and schedule is or is not required
or appropriate at this time in light of other actions currently being undertaken by Energy Fuels Resources
(USA) Inc. ("EFRI") or in light of other reports submitted by EFRI, and as determined by Division of
Radiation Control ("DRC") Staff. A description of the other actions and reports which have affected the
requirement to submit a plan and time schedule are as follows:
1. Nitrate + nitrite and chloride in monitoring wells at the site have been the subject of ongoing
investigations at the Mill. Based on the results of the previous investigations, EFRI and the
Director acknowledge that it has not been possible to date to determine the source(s), cause(s),
attribution, magnitudes of contribution, and proportion(s) of the local nitrate + nitrite and chloride
in groundwater. EFRI submitted a Corrective Action Plan ("CAP") in February 2012 for nitrate
+ nitrite and chloride in groundwater. The CAP was approved on December 12, 2012 and the
activities associated with the CAP are on-going. Based on information provided by DRC in
teleconferences on April 27, and May 2, 2011, due to the ongoing activities and actions, the 30-
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Letter to Mr. Rusty Lundberg
May 5, 2014
Page 2
day plan and schedule for assessment is not required for nitrate + nitrite and chloride exceedances
at this time.
2. As discussed in previous quarterly groundwater sampling reports, the background levels and
GWCLs for pH were established based on eight or more quarters of laboratory data, which are
historically higher than field data. EFRI's letter to the Director dated January 31, 2011 proposed
the recalculation of the GWCLs for field pH. Following the statistical evaluation of pH data by
EFRI's geochemical consultant, LNTERA, Inc., EFRI compared the Mill's groundwater pH data
from Q2 2011 and noted that all of the June 2011 groundwater results, and many of the other
results from Q2 2011, were already outside the revised GWCLs that were to be proposed in the
June 30, 2011 letter. Pursuant to teleconferences with DRC on December 5, and December 19,
2011, EFRI submitted a Work Plan and Schedule on January 20, 2012 and a revised plan based
on DRC comments on April 13, 2012. Based on the approved Work Plan and Time Schedule,
EFRI and DRC entered into a Stipulated Consent Agreement ("SCA") dated July 12, 2012. The
SCA required the completion of the pH Report and the Pyrite Investigation and associated report.
The pH Report and Pyrite Investigation Report were submitted November 9, 2012 and December
7, 2012 respectively. By letter dated April 25, 2013, DRC accepted the conclusions that the out-
of-compliance results for pH are due to background effects within the aquifer matrix and are not
caused by Mill activities. DRC also approved the recalculation of the GWCLs. As a result, the
30-day plan and schedule for assessment is not required for field pH exceedances.
3. A Plan and Time Schedule will not be prepared for monitoring wells with two successive
exceedances in Ql 2014 if successive exceedances were reported in a previous quarter and were
included in the Source Assessment Reports ("SARs"), submitted October 10, 2012, May 8, 2013,
August 30, 2013, and January 14, 2014. A Plan and Time Schedule will not be submitted for
those constituents covered by the October 10, 2012, May 8, 2013, August 30, 2013, and January
14, 2014 SARs, because the conclusions and actions delineated in those reports were either
accepted by DRC as documented in DRC correspondence dated April 25, 2013, July 23, 2013,
and September 17, 2013 respectively or are currently under review by DRC.
4. Chloroform and methylene chloride are the subject of the ongoing chloroform pumping program
and are covered by State of Utah Notice of Violation ("NOV") and Groundwater Corrective
Action Order ("CAO") State of Utah Department of Environmental Quality ("UDEQ") Docket
No. UGW-20-01. As a result, the 30-day plan and schedule for assessment of chloroform and
methylene chloride exceedances is not required.
It is important to note that under the GWDP, GWCLs have been determined on a well-by-well basis to
reflect background groundwater quality, as defined by the mean plus second standard deviation
concentration, or the equivalent. Accordingly, the GWDP requires that constituent concentrations in each
monitoring well shall not exceed the GWCLs set out in Table 2 of the GWDP. It should be noted that,
because the GWCLs have been set at the mean plus second standard deviation, or the equivalent, un-
impacted groundwater would normally be expected to exceed the GWCLs approximately 2.5% of the
time. Therefore, exceedances are expected in approximately 2.5% of all sample results, and do not
necessarily represent impacts to groundwater from Mill operations. In fact, more frequent sampling of a
given analyte will increase the number of exceedances due to statistical variation and not due to Mill
activity. Additionally, given the slow velocity of groundwater movement, accelerated sampling at a
monthly frequency can result in resampling of essentially the same water and can lead to repeat
exceedances for accelerated constituents not due to Mill activities, but due to repeat sampling of the same
water.
ENCKGYFUeiS
Letter to Mr. Rusty Lundberg
May 5, 2014
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1.0 Exceedances in Required Quarterly Sampling Wells
1.1 Quarterly Wells with Two Successive Exceedances
As indicated in the attached Table 1, the analytes discussed below exceeded their respective GWCLs for
two successive sampling periods in Ql 2014. A 30-day plan and schedule contemplated in Part I.G.I c)
of the GWDP will not be required for the consecutive exceedances below for the reasons stated below.
One-time exceedances and non-successive exceedances are noted on Table 1, but not listed below.
Consecutive exceedances which occurred in previous reporting periods are discussed in the SARs
submitted to DRC on October 10, 2012, May 8, 2013, August 30, 2013, and January 14, 2014.
MW-11
• Manganese concentrations exceeded the GWCL in MW-11 in all of the Ql 2014 sampling events.
This consecutive exceedance is addressed in the SAR, dated October 10, 2012. As a result of the
SAR, the GWCLs have been recalculated and accepted by DRC. The recalculated GWCLs will
become effective upon their publication in the next revision of the GWDP. As a result of DRC's
acceptance of the recalculated GWCLs, a plan and schedule to address this consecutive
exceedance is not necessary and will not be submitted. Until such time as the new GWCLs
become effective, the exceedances will continue to be noted and reported.
MW-14
• Field pH has been slightly outside (slightly lower than) the GWCL for both the February monthly
and the Ql 2014 sampling events. As mentioned above, site-wide pH issues and trends are
addressed in reports submitted on November 9, 2012 and December 7, 2012. As a result of the
November 7, 2012 report, the GWCLs have been recalculated and accepted by DRC. The
recalculated GWCLs will become effective upon their publication in the next revision of the
GWDP. As a result of DRC's acceptance of the recalculated GWCLs, a plan and schedule to
address this consecutive exceedance is not necessary and will not be submitted. Until such time as
the new GWCLs become effective, the exceedances will continue to be noted and reported.
MW-25
• Field pH has been slightly outside (slightly lower than) the GWCL in all of the Ql 2014 sampling
events. As mentioned above, site-wide pH issues and trends are addressed in reports submitted
on November 9, 2012 and December 7, 2012. As a result of the November 7, 2012 report, the
GWCLs have been recalculated and accepted by DRC. The recalculated GWCLs will become
effective upon their publication in the next revision of the GWDP. As a result of DRC's
acceptance of the recalculated GWCLs, a plan and schedule to address this consecutive
exceedance is not necessary and will not be submitted. Until such time as the new GWCLs
become effective, the exceedances will continue to be noted and reported.
MW-26
• Nitrate + nitrite has exceeded its GWCL in all of the Ql 2014 sampling events. As mentioned
above, a CAP has been submitted and approved and the specified actions are currently being
implemented; therefore a plan to address this consecutive exceedance is not necessary and is not
being submitted.
• Chloroform has exceeded its GWCL for all of the monitoring periods for 14 2014. MW-26 is
used as a pumping well for the ongoing chloroform capture program and is expected to yield
ENERGYFUtlS
Letter to Mr. Rusty Lundberg
May 5, 2014
Page 4
increased concentrations of chloroform. Because this well is used in the chloroform capture
program which is the subject of separate investigations and actions, a plan and time schedule to
address the consecutive exceedances is not necessary and is not being submitted.
• Methylene chloride has exceeded its GWCL for all of the monitoring periods for Ql 2014. MW-
26 is used as a pumping well for the ongoing chloroform capture program and is expected to yield
increased concentrations of methylene chloride. Because this well is used in the chloroform
capture program which is the subject of separate investigations and actions, a plan and time
schedule to address the consecutive exceedances is not necessary and is not being submitted.
MW-26 Note: As stated in the September 2009 Statement of Basis (page 23) in support of the January
20, 2010 revisions to the GWDP, "[i]t should be noted that, because MW-26 is a pumping well for
chloroform removal, concentrations of all constituents in that well are subject to potential variation over
time as a result of the pumping activity. This will be taken into account by the Executive Secretary in
determining compliance for this well." Based on information provided by DRC in teleconferences on
April 27, and May 2, 2011, due to the current pumping status as part of the chloroform investigation
program, the 30-day plan and schedule for assessment is not required at this time for exceedances of
chloroform and methylene chloride in MW-26.
• The uranium concentration exceeded its GWCL in all of the monitoring periods for Ql 2014.
This consecutive exceedance is addressed in the SAR, dated October 10, 2012. As a result of the
SAR, the GWCLs have been recalculated and accepted by DRC. The recalculated GWCLs will
become effective upon their publication in the next revision of the GWDP. As a result of DRC's
acceptance of the recalculated GWCLs, a plan and schedule to address this consecutive
exceedance is not necessary and will not be submitted. Until such time as the new GWCLs
become effective, the exceedances will continue to be noted and reported.
• The chloride concentration exceeded its GWCL in all of the monitoring periods for Ql 2014. As
mentioned above, a CAP has been submitted and approved to address nitrate+nitrite
contamination which is expected to address chloride in groundwater. The actions specified in the
CAP are currently being implemented; therefore a plan to address this consecutive exceedance is
not necessary and is not being submitted.
MW-30
• Nitrate + nitrite has exceeded its GWCL in all of the Ql 2014 sampling events. As mentioned
above, a CAP has been submitted and approved and the specified actions are currently being
implemented; therefore a plan to address this consecutive exceedance is not necessary and is not
being submitted.
• The chloride concentration exceeded its GWCL in all of the monitoring periods for Ql 2014. As
mentioned above, a CAP has been submitted and approved to address nitrate+nitrite
contamination which is expected to address chloride in groundwater. The actions specified in the
CAP are currently being implemented; therefore a plan to address this consecutive exceedance is
not necessary and is not being submitted.
• The selenium concentration exceeded its GWCL in all of the Ql 2014 sampling events. This
consecutive exceedance is addressed in the SAR, dated October 10, 2012. As a result of the SAR,
the GWCLs have been recalculated and accepted by DRC. The recalculated GWCLs will
become effective upon their publication in the next revision of the GWDP. As a result of DRC's
acceptance of the recalculated GWCLs, a plan and schedule to address this consecutive
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May 5, 2014
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exceedance is not necessary and will not be submitted. Until such time as the new GWCLs
become effective, the exceedances will continue to be noted and reported.
MW-31
• Nitrate + nitrite has exceeded its GWCL in all of the Ql 2014 sampling events. As mentioned
above, a CAP has been submitted and approved and the specified actions are currently being
implemented; therefore a plan to address this consecutive exceedance is not necessary and is not
being submitted.
• The chloride concentration exceeded its GWCL in all of the monitoring periods for Ql 2014. As
mentioned above, a CAP has been submitted and approved to address nitrate+nitrite
contamination which is expected to address chloride in groundwater. The actions specified in the
CAP are currently being implemented; therefore a plan to address this consecutive exceedance is
not necessary and is not being submitted.
• The sulfate concentration exceeded its GWCL in the January monthly and Ql 2014 sampling
events. This consecutive exceedance is addressed in the SAR, dated October 10, 2012. As a
result of the SAR, the GWCLs have been recalculated and accepted by DRC. The recalculated
GWCLs will become effective upon their publication in the next revision of the GWDP. As a
result of DRC's acceptance of the recalculated GWCLs, a plan and schedule to address this
consecutive exceedance is not necessary and will not be submitted. Until such time as the new
GWCLs become effective, the exceedances will continue to be noted and reported.
• The selenium concentration exceeded its GWCL in all of the Ql 2014 sampling events. This
consecutive exceedance is addressed in the SAR, dated August 30 2013. As a result of the SAR,
the GWCLs have been recalculated and accepted by DRC. The recalculated GWCLs will
become effective upon their publication in the next revision of the GWDP. As a result of DRC's
acceptance of the recalculated GWCLs, a plan and schedule to address this consecutive
exceedance is not necessary and will not be submitted. Until such time as the new GWCLs
become effective, the exceedances will continue to be noted and reported.
• The Total Dissolved Solids ("TDS") concentration exceeded its GWCL in all of the Ql 2014
sampling events. This consecutive exceedance is addressed in the SAR, dated October 10, 2012.
As a result of the SAR, the GWCLs have been recalculated and accepted by DRC. The
recalculated GWCLs will become effective upon their publication in the next revision of the
GWDP. As a result of DRC's acceptance of the recalculated GWCLs, a plan and schedule to
address this consecutive exceedance is not necessary and will not be submitted. Until such time as
the new GWCLs become effective, the exceedances will continue to be noted and reported.
MW-35
• The manganese concentration exceeded the GWCL in MW-35 in all of the Ql 2014 sampling
events. A plan and schedule to address the Ql exceedances is not necessary and is not being
submitted because, as discussed in the October 10, 2013 SAR, background has not yet been
established for MW-35 and the interim GWCLs for MW-35 have been set at a fraction of the
Groundwater Quality Standards pending the determination of background. The background
report for MW-35 is scheduled to be submitted on or before May 1, 2014. Exceedances of the
interim GWCLs do not necessarily represent impacts to groundwater from Mill activities.
ENERG YFUELS
Letter to Mr. Rusty Lundberg
May 5, 2014
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• The uranium concentration exceeded the GWCL in MW-35 in all of the Ql 2014 sampling
events. A plan and schedule to address the Ql exceedances is not necessary and is not being
submitted because, as discussed in the October 10, 2013 SAR, background has not yet been
established for MW-35 and the interim GWCLs for MW-35 have been set at a fraction of the
Groundwater Quality Standards pending the determination of background. The background
report for MW-35 is scheduled to be submitted on or before May 1, 2014. Exceedances of the
interim GWCLs do not necessarily represent impacts to groundwater from Mill activities.
• The Gross Alpha concentration exceeded the GWCL in MW-35 in all of the Ql 2014 sampling
events. A plan and schedule to address the Ql exceedances is not necessary and is not being
submitted because, as discussed in the October 10, 2013 SAR, background has not yet been
established for MW-35 and the interim GWCLs for MW-35 have been set at a fraction of the
Groundwater Quality Standards pending the determination of background. The background
report for MW-35 is scheduled to be submitted on or before May 1, 2014. Exceedances of the
interim GWCLs do not necessarily represent impacts to groundwater from Mill activities.
1.2 Quarterly Wells with New Exceedances Reported in Ql
Two new exceedances for the Ql 2014 quarterly well sampling program are listed below. These
exceedances will result in an accelerated sampling frequency from quarterly to monthly. The wells listed
below will only be sampled during the monthly events for that constituents that exceeded the GWCLs.
The wells listed below will be sampled for all constituents listed in the GWDP during the quarterly events
as that is the regularly scheduled sampling for the quarterly wells. Accelerated monthly monitoring of
these constituents will begin on or before the June 2014 monthly sampling event pursuant to the
requirements described below.
• Carbon tetrachloride in MW-26 was slightly above the GWCL in the Ql (March) sampling event.
• Field pH in MW-31 was below the GWCL in the February monthly sampling event.
It is important to note EFRI requested removal of field pH from accelerated monitoring in MW-31 by
letter dated January 28, 2014. DRC approved the removal of these constituents from monthly accelerated
monitoring by letter dated March 10, 2014. The February monthly sample results received in March 2014
reported concentrations above the GWCLs.
Relative to accelerated reporting requirements, based on phone conversations with DRC on April 5, 2010,
reporting of exceedances is required to be completed within 30 days of receipt of the last data package for
a quarterly monitoring event. Similarly, accelerated monitoring is required to commence the month
following the submission of the Exceedance Notice for a specified quarter for wells that are being
accelerated from quarterly to monthly and the quarter following the submission of the Exceedance Notice
for wells that are being accelerated from semiannually to quarterly. Per teleconferences with DRC, EFRI
proposed modified language for the GWDP, Part l.O.l on May 25, 2012, to document DRC concurrence
with the accelerated reporting and monitoring agreements resulting from the April 5, 2012 teleconference.
2.0 Exceedances in Semiannual Sampling Wells Accelerated to Quarterly
2.1 Semi-annual Wells with Two Successive Exceedances
As indicated in the attached Table 1, the analytes discussed below exceeded their respective GWCLs for
two successive sampling periods (Q4 2013 and Ql 2014).
ENERGY FttCLS
Letter to Mr. Rusty Lundberg
May 5, 2014
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MW-3
• Fluoride has exceeded the GWCL for both the Q4 2013 sampling event and the Ql 2014
sampling event. This consecutive exceedance is addressed in the SAR, dated October 10, 2012.
As a result of the SAR, the GWCLs have been recalculated and accepted by DRC. The
recalculated GWCLs will become effective upon their publication in the next revision of the
GWDP. As a result of DRC's acceptance of the recalculated GWCLs, a plan and schedule to
address this consecutive exceedance is not necessary and will not be submitted. Until such time as
the new GWCLs become effective, the exceedances will continue to be noted and reported.
MW-5
• Uranium has exceeded the GWCL for both the Q4 2013 sampling event and the Ql 2014
sampling events. This consecutive exceedance is addressed in the SAR, dated October 10, 2012.
As a result of the SAR, the GWCLs have been recalculated and accepted by DRC. The
recalculated GWCLs will become effective upon their publication in the next revision of the
GWDP. As a result of DRC's acceptance of the recalculated GWCLs, a plan and schedule to
address this consecutive exceedance is not necessary and will not be submitted. Until such time as
the new GWCLs become effective, the exceedances will continue to be noted and reported.
MW-15
• Field pH has been slightly outside (slightly lower than) the GWCL for both the Q4 2013 sampling
event and the Ql 2014 sampling event. As mentioned above, site-wide pH issues and trends are
addressed in reports submitted on November 9, 2012 and December 7, 2012. As a result of the
November 7, 2012 report, the GWCLs have been recalculated and accepted by DRC. The
recalculated GWCLs will become effective upon their publication in the next revision of the
GWDP. As a result of DRC's acceptance of the recalculated GWCLs, a plan and schedule to
address this consecutive exceedance is not necessary and will not be submitted. Until such time as
the new GWCLs become effective, the exceedances will continue to be noted and reported.
MW-18
• Thallium has exceeded the GWCL for both the Q4 2013 sampling event and the Ql 2014
sampling event. This consecutive exceedance is addressed in the SAR, dated October 10, 2012.
In the October 10, 2012 SAR, EFRI requested the removal of GWCLs for the far upgradient wells
(MW-1, MW-18, and MW-19) at the Mill which cannot be impacted by Mill activities. In
correspondence dated April 25, 2013, DRC noted "DRC agrees with the justification provided by
EFR, that far upgradient wells are not likely to be impacted by current Mill activities..." and has
recommended the removal of GWCLs for MW-18 from the next revision of the GWDP. A plan
and schedule is not necessary because the exceedance is not caused by Mill activities and was
previously discussed in the October 10, 2012 SAR. Until such time as the GWCLs are removed,
the exceedances will continue to be noted and reported.
MW-19
• Nitrate + Nitrite have has exceeded the GWCL for both the Q4 2013 sampling event and the Ql
2014 sampling event. In the October 10, 2012 SAR, EFRI requested the removal of GWCLs for
the far upgradient wells (MW-1, MW-18, and MW-19) at the Mill which cannot be impacted by
Mill activities. In correspondence dated April 25, 2013, DRC noted "DRC agrees with the
justification provided by EFR, that far upgradient wells are not likely to be impacted by current
Mill activities..." and has recommended the removal of GWCLs for MW-18 from the next
ENERGYEUB.S
Letter to Mr. Rusty Lundberg
May 5, 2014
Page 8
revision of the GWDP. A plan and schedule is not necessary because the exceedance is not
caused by Mill activities and was previously discussed in the October 10, 2012 SAR. Until such
time as the GWCLs are removed, the exceedances will continue to be noted and reported.
• Field pH has been slightly outside (slightly lower than) the GWCL for both the Q4 2013 sampling
event and the Ql 2014 sampling event. In the October 10, 2012 SAR, EFRI requested the
removal of GWCLs for the far upgradient wells (MW-1, MW-18, and MW-19) at the Mill which
cannot be impacted by Mill activities. In correspondence dated April 25, 2013, DRC noted "DRC
agrees with the justification provided by EFR, that far upgradient wells are not likely to be
impacted by current Mill activities..." and has recommended the removal of GWCLs for MW-18
from the next revision of the GWDP. A plan and schedule is not necessary because the
exceedance is not caused by Mill activities and was previously discussed in the October 10, 2012
SAR. Until such time as the GWCLs are removed, the exceedances will continue to be noted and
reported. Additionally, as mentioned above, site-wide pH issues and trends are addressed in
reports submitted on November 9, 2012 and December 7, 2012. As a result of DRC's acceptance
of the October 10, 2012 SAR and the November 9, 2012 and December 7, 2012 reports, a plan
and schedule to address this consecutive exceedance is not necessary and will not be submitted.
Until such time as the GWCLs are removed, the exceedances will continue to be noted and
reported.
MW-24
• Field pH has been slightly outside (slightly lower than) the GWCL for both the Q4 2013 sampling
event and the Ql 2014 sampling event. As mentioned above, site-wide pH issues and trends are
addressed in reports submitted on November 9, 2012 and December 7, 2012. As a result of the
November 7, 2012 report, the GWCLs have been recalculated and accepted by DRC. The
recalculated GWCLs will become effective upon their publication in the next revision of the
GWDP. As a result of DRC's acceptance of the recalculated GWCLs, a plan and schedule to
address this consecutive exceedance is not necessary and will not be submitted. Until such time as
the new GWCLs become effective, the exceedances will continue to be noted and reported.
MW-27
• Nitrate + Nitrite have exceeded the GWCL for both the Q4 2013 sampling event and the Ql 2014
sampling event and during previous quarters. As mentioned above, a CAP has been submitted and
approved and the specified actions are currently being implemented; therefore a plan to address
this consecutive exceedance is not necessary and is not being submitted.
• The chloride concentration exceeded its GWCL for both the Q4 2013 sampling event and the Ql
2014 sampling event and during previous quarters. As mentioned above, a CAP has been
submitted and approved to address nitrate+nitrite contamination which is expected to address
chloride in groundwater. The actions specified in the CAP are currently being implemented;
therefore a plan to address this consecutive exceedance is not necessary and is not being
submitted.
MW-28
• Chloride has exceeded the GWCL for both the Q4 2013 sampling event and the Ql 2014
sampling event and during previous quarters. As mentioned above, a CAP has been submitted and
approved and the specified actions are currently being implemented; therefore a plan to address
this consecutive exceedance is not necessary and is not being submitted.
FNfRC.YFUElS
Letter to Mr. Rusty Lundberg
May 5, 2014
Page 9
MW-32
• Field pH has been slightly outside (slightly lower than) the GWCL for both the Q4 2013 sampling
event and the Ql 2014 sampling event. As mentioned above, site-wide pH issues and trends are
addressed in reports submitted on November 9, 2012 and December 7, 2012. As a result of the
November 7, 2012 report, the GWCLs have been recalculated and accepted by DRC. The
recalculated GWCLs will become effective upon their publication in the next revision of the
GWDP. As a result of DRC's acceptance of the recalculated GWCLs, a plan and schedule to
address this consecutive exceedance is not necessary and will not be submitted. Until such time as
the new GWCLs become effective, the exceedances will continue to be noted and reported.
2.1 Semi-annual Wells with New Exceedances Reported in Ql
Three new exceedances for the Ql 2014 semi-annual well sampling program are listed below. These
exceedances will result in an accelerated sampling frequency from semi-annually to quarterly. It is
important to note that the well listed below will only be sampled during the first and third quarterly events
for those constituents which exceeded the GWCLs. The well listed below will be sampled for all
constituents listed in the GWDP during the second and fourth quarterly events as that is the regularly
scheduled sampling for the semi-annual wells.
It is important to note EFRI requested removal of these constituents from accelerated monitoring by letter
dated November 13, 2013. DRC approved the removal of these constituents from monthly accelerated
monitoring by letter dated November 14, 2013. The constituents listed below were scheduled for removal
from accelerated reporting beginning with the Ql 2104 sampling event. The Ql 2014 sample results
received in March 2014 reported concentrations above the GWCLs.
• Field pH in MW-12 was below the GWCL in the Ql sampling event.
• Field pH in MW-18 was below the GWCL in the Ql sampling event.
• Field pH in MW-28 was below the GWCL in the Ql sampling event.
Relative to accelerated reporting requirements, based on phone conversations with UDEQ on April 5,
2010, reporting of exceedances is required to be completed within 30 days of receipt of the last data
package for a quarterly monitoring event. Similarly, accelerated monitoring is required to commence the
month following the submission of the Exceedance Notice for a specified quarter for wells that are being
accelerated from quarterly to monthly and the quarter following the submission of the Exceedance Notice
for wells that are being accelerated from semiannually to quarterly. Per teleconferences with UDEQ,
EFRI proposed modified language for the GWDP, Part l.G.l on May 25, 2012, to document DRC
concurrence with the accelerated reporting and monitoring agreements resulting from the April 5, 2012
teleconference.
Yours trul
ENERGY FUELS RESOURCES (USA) INC.
Kathy Weinel
Quality Assurance Manager
cc: David Frydenlund
Harold Roberts
David Turk
Dan Hillsten
ENERGY EUCtS
Table 1 - GWCL Exceedances for Fourth Quarter 2013 under thc August 24, 2012 GWDP
Ql 2010 Results Q2 2010 Results Q3 2010 Results Q4 2010 Results
Monitoring Well
(Water Class)
Constituent Exceeding
GWCL
GWCL in
August 24, 2012
GWDP
Ql 2010 Sample
Date
Ql 2010
Result
Q2 2010
Sample Date
Q2 2010
Result
May 2010
Monthly
Sample Date
May 2010
Monthly
Result
June 2010
Monthly
Sample Date
June 2010
Monthly
Result
July 2010
Monthly
Sample Date
July 2010
Monthly
Result
August 2010
Monthly
Sample Date
August 2010
Monthly Result
Q3 2010
Sample Date
Q3 2010
Result
October 2010
Monthly
Sample Date
October 2010
Monthly
Result
Q4 2010
Sample Date
Q4 2010
Result
December 2010
Monthly Sample
Date
December 2010
Monthly Result
Required Quarterly Sampling Wells
MW-11 (Class II) Field pH (S.U.)
Manganese (ug/L;
6.5-
131.29 2/10/2010 7.34
134 4/28/2010 7.22
137 5/24/2010 7.29
122 6/16/2010 8.21 7/20/2010 123 8/25/2010 7.32
138 9/8/2010 8.34
128 10/20/2010 7.49
141 11/11/2010 7.44
133 12/15/10
MW-14 (Class III)
Manganese (ug/L) 2230.30
Field pH (S.U.) 6.5 - 8.5
2/2/2010 2060
6.45
4/21/2010 2070
6.29
5/21/2010 NA
6.36
6/16/2010 NA
6.45
7/20/2010 NA
7.19
8/25/2010 NA
6.48
9/8/2010 1920
6.51
10/20/2010 NA
6.60
11/10/2010
1980
6.37 12/15/2010
Field pH (S.U.) 6.5 - 8.5 6.53 6.58 NA 6.36
MW-25 (Class III)
Cadmium (ug/L) 1.5
Chloride (mg/L) 35 2/3/2010 1.26 4/28/2010 1.44
31 NS NA
NA NS NA
NA NS NA NA
NA NA 9/8/2010 1.4 NS NA 11/10/2010
1.26
31 NS
Fluoride (mg/L) 0.42 0.31 0.33 NA NA NA NA 0.34
Uranium 6.5 NA NA 6.57 5.89
Nitrate + Nitrite (as N)
(mgA.) 0.62 1.3 0.3 0.4 0.6 0.6 0.7 0.4 0.2
Uranium (ug/L) 41.8 58.7 66.7 37.4 36.6 34.4 71.8 72.7 37.5 30.4
Chloroform (ug/L) 70 700 1700 800 940 900 2800 2100 1000 1900
Chloride (mg/L) 58.31 72 57 80 52 49 64 52 48
MW-26 (Class III) Carbon Tetrachloride
(ug/L)
2/2/2010 4/22/2010 5/21/2010 6/16/2010 7/21/2010 8/16/2010 9/26/2010 10/20/2010 11/15/2010 12/15/2010
<1.0 <I.O NA <1.0 NA NA <1.0 NA <1.0
Field pH (S.U.) 6.74 - 8.5 6.59 7.18 6.36 6.98 6.45 6.39 6.60 6.61 6.49
Dichloromethane
(Methylene Chloride)
(ug/L)
9.9 2.2 12 24 45 5.5 16
Nitrate + Nitrite (as N)
(mg/L) 2.5 16.1 15.8 17 15.3 7/21/2010 16 8/24/2010 16 IS 15 15
MW-30 (Class 1 Chloride (mg/L) 128 2/9/2010 127 4/27/2010 97 5/21/2010 6/15/2010 NS 9/14/2010 10/19/2010 NS 11/9/2010 126
Uranium (ug/L) 8.32 6.82 6.82 NS 7.10 NS 6.64
Selenium (ug/L) 32 35.3 NS NS 7/27/2010 8/24/2010 35.6 32.6 32.4
12/14/2010
Nitrate + Nitrite (as N)
(mg/L) 2/. 7 22.5 5/21/2010 23 6/15/2010 21.1 7/21/2010 20 8/24/2010 22 21 10/19/2010 20 20
TDS (mg/L) 1320 1150 1220 NS NA NS NA NS NA NS NA 1330 NS 1320
MW-31 (Class III) Chloride (mg/L) 143 2/9/2010 128 4/20/2010 128 NS NA NS NA NS NA NS NA
Selenium (ug/L) 60.8 59.6 NS NA NS NA NS NA NS NA
9/13/2010
(9/21/10) NS NA 11/9/2010 138
64.4 NS NA 60
Field pH (S.U.) 6.5 - 8.5 6.96 7.38 5/21/2010 6.95 6/15/2010 7.01 7/21/2010 8/24/2010 7.10 7.66(7.13) 10/19/2010 6.92 6.98
Sulfate (mg/L) 507 NS NS NS NS 527 NS 539
12/14/2010
Manganese (ug/L) 200 NA NA NA 698
Thallium (ug/l) 0.5 NA NA NA NA NA NA NA NA 1.14
MW-35 (Class II) Gross Alpha minus Rn & U
(pCi/L) 3.75 NS NA NA NS NA NS NS NS NA NS NA NS NA 11/30/2010
Selenium (ug/L) 12.5 NA NA ND
Uranium (ug/L) NA NA NA NA NA 27.2
NS
Required Semi-Annual Sampling Wells
MW-01 (Class II)
Manganese (ug/L)
Tetrahydrofuran (ug/L)
Sulfate (mg/L)
289
11.5
838
NS
NA
NA
NA
5/5/2010
212
7.8
805
NA
NA
NA
NS
NA
NA
NA
NA
NA NS
NA
NA
NA
NS
NA
NA
NA
NS
NA
NA
NA
11/18/2010
275
10.7
792
NS
Selenium (ug/L) 37.2 NA NA NA 35.5 38.8
Field pH (S.U.) 6.5-8.5 NA 6.14 (6.25) 6.39 NA 6.35
MW-03 (Class III) Sulfate (mg/L) 3663 NS NA 5/3/2010 3490 NS NA NS NS NA NS NA 9/20/2010 NA NS NA 11/19/2010 3430
Nitrate + Nitrite (as N)
(mg/L) 0.73 NA 0.3 NA NA NA NA NA NA 0.4
Fluoride (Mg/L) 0.68 0.71 NA NA 0.63 NA 0.77
NS
Field pH (S.U.) 6.5 - 8.5 6.23 (6.24) NA NA NA 6.42 NA 6.21
MW-3A (Class in)
Sulfate (mg/L) 3640 NA 3680 NA 3630 NA 3850
Nitrate + Nitrite (as N)
(mg/L) 1.3 NS 5/4/2010 NS NA NS NA NS NA NS 9/21/2010 NS NA 11/22/2010
TDS (mg/L) 5805 NA 5860 NA NA NA 5470 NA 5330
Selenium (ug/L) 89 NA 81.4 NA NA NA NA NS 94.8
NS
MW-05 (Class II) Uranium (ug/L) 7.5 NS 4/26/2010 0.39 NS NA NS NA NS NA NS NA NS 11/11/2010 11.6 NS
MW-12 (Class III) Field pH(S.U.) 6.5-8.5
Selenium lug/I.) 25 NS NA 4/27/2010 7.16
25.7 NS NA NS NA NS NA NS NA 6.62
31.9 NA 11/19/2010 6.47
27.6 NS
Selenium (ug/L) 128.7 100 NA NA NA 99.5
MW-15 (Class III) Held pH (S.U.)
Iron (ug/L)
NS
81.7
NA
NA
4/21/2010 (..'IN
Nl)
NS
NA
NS NA
NA
NS NA
NA
NS NA
NA
NS 11/11/2010 6.57 NS
Ql 2010 Results Q2 2010 Results Q3 2010 Results Q4 2010 Results
Monitoring Well
(Water Class)
Constituent Exceeding
GWCL
GWCL in
Current GWDP QI Sample Date Ql Result Q2 Sample
Date Q2 Result May Monthly
Sample Date
May
Monthly
Result
June Monthly
Sample Date
June Monthly
Result
July Monthly
Sample Date
July Monthly
Result
August
Monthly
Sample Date
August Monthly
Result
Q3 Sample
Date Q3 Result
October
Monthly
Sample Date
October
Monthly
Result
Q4 Sample
Date Q4 Result
December
Monthly Sample
Date
Required Semi-Annual Sampling Wells, continued
MW-18 (Class III)
Thallium (ug/l)
Sulfate (mg/L)
Field pH (S.U.)
TDS (mg/L)
1.95
1938.9
6.25-8.5
3198.77
NS NA
NA
NA
5/4/2010
3.73
1950
6.2
32S0
NS NS NA
NA
NS NA
NA
NS NA
NA
9/15/2010
3.64
1930
3190
NS 11/18/2010
3.57
6.37
3030
NS
Field pH (S.U.) 6.78-8.5 NA 6.61 (6.66) NA NA NA 6.93 NA 6.8
MW-19 (Class III) Gross Alpha minus Rn & U
(pCi/L) 2.36 NS 5/4/2010 0.9 NS NA NS NA NS NA NS NA 9/15/2010 NA NS NA 11/18/2010
Nitrate + Nitrite (as N)
(mgfl.) 2.83 2.6 NA NA NA NA NA NA
NS
MW-23 (Class III) Field pH (S.U.) 6.5 - 8.5
Manganese (ug/L) 550 NS NA 4/22/2010 6.18 NS NA NS NA NS NA NS 9/14/2010 7.05 NS NA 11/22/2010 6.44
184 NA NA NA NA NS NA
NS
Cadmium (ug/L) NA 4.28 NA 5.06 3.22
MW-24 (Class III) Fluoride (Mg/L) 0.36 NA 0.14 NA NA 0.18
Thallium (ug/L) NS NA 5/6/2010 1.3 NS NA NS NS NS 9/21/2010 7.57 NS 11/17/2010 1.09
Field pH(S.U.) 6.5 - 8.5 5.91 (5.78) NA NA NA 6.64 NA 6.1
NS
Nitrate + Nitrite (as N)
(mg/L) 5.6 NA 5.8 NA NA NA NA 5.9 NA 5.7
Chloride (mg/L) 38 NA 42 NA NA 42 NA 45
MW-27 (Class III) Sulfate (mg/L) 462
TDS (mg/L) 1075
NS NA
NA
5/3/2010 469
1160
NS NA
NA NS NA
NA NS NA
NA NS 9/14/2010
1060 NS NA
NA
11/12/2010 452
1110
Gross Alpha minus Rn & U
(pCi/L) 1.6 NA NA NA NA NA NA 2.4
NS
Chloride (mg/L) 105 108 NA NA NA NA 106 NA 107
MW-28 (Class III) Manganese (ug/L) 1837 NS NA 4/19/2010 1550 NS NA NS NA NS NA NS NA 9/14/2010 NA NS NA 11/12/2010 1510
Field pH (S.U.) 6.1 - 8.5 NA 5.67 NA NA NA 5.9/ NA 5.72
NS
Manganese (ug/L) 5624 NA 4820 NA 4890
MW-29 (Class III
TDS (mg/L) 4400 NA 4400 NA NA 4390
NS 4/27/2010 NS NS NS NS NS NS 11/9/2010
Field pH (S.U.) 6.46 - 8.5 NA 6.82 NA 6.17
NS
MW-32 (Class III)
Gross Alpha minus Rn & U
(pCi/L) 3.33 4.5 NA NA NA NA 2.9 NA 8.8
NS 4/20/2010 NS NS NS NS 9/13/2010 NS 11/10/2010
Field pH (S.U.) 6.4-8.5 NA 6.03 NA NA NA NA 6.33 NA 6.05
NS
Notes:
GWCL values are taken from August 24, 2012 version of GWDP.
NS = Not Required and Not Sampled
NR = Required and Not Reported
NA = Not Applicable
Exceedances are shown in yellow
Values in () parentheses are the field pH measurements for the resampled analyses.
Table 1 - GWCL Exceedances for Fourth Quarter 2013 under the August 24, 2012 GWDP
Ql 2011 Results Q2 2011 Results Q3 2011 Results Q4 2011 Results
Monitoring
Well (Water
Class)
Constituent Exceeding
GWCL
GWCL in
August 24,
2012 GWDP
January 2011
Monthly
Sample Date
January 2011
Monthly Sample
Result
Ql 2011
Sample
Date
Ql 2011
Result
March 2011
Monthly
Sample Date
March
2011
Monthly
Result
Q2 2011
Sample
Date
Q2 20U
Result
May 2011
Monthly
Sample Date
May 2011
Monthly
Result
June 2011
Monthly
Sample Date
June 2011
Monthly
Result
July 2011
Monthly
Sample Date
July 2011
Monthly
Result
Q3 2011
Sample
Date
Q3 2011
Result
September
2011
Monthly
Sample Date
September
2011 Monthly
Result
Q4 2011
Sample Date
Q4 2011
Result
November
2011 Monthly
Sample Date
November
2011 Monthly
Result
December
2011 Monthly
Sample Date
December
2011
Monthly
Result
Required Quarterly Sampling Wells
MW-11
(Class II)
Field pH (S.U.)
Manganese (ug/L)
6.5 - 8.5
131.29 1/11/2011 7.43
121 2/2/2011 7.47
145 3/15/2011 7.94
68 4/4/2011 7.50
148 5/10/2011 7.25
170 6/15/2011 6.8
121 7/6/2011 7.07
151
8/3/2011
8/30/11
7.25
118 9/7/2011 7.29
106 10/4/2011 7.52
112 11/9/2011 7.47
105 12/14/2011 100
MW-14
(Class III)
Manganese (ug/L) 2230.30
Field pH (S.U.) 6.5 - 8.5
1/11/2011
NA
6.37 2/7/201 1
2020
6.22
3/14/2011 NA
6.76
4/4/2011
2140
6.63
5/10/2011
6.37
6/15/2011 5.83 7/5/2011
NA
6.4 8/3/2011
1990
6.23 9/8/2011
6.50
10/4/2011
1960
6.71 (6.82) 11/9/2011 NA
6.63 12/12/2011
NA
6.84
Field pH (S.U.) 6.5-6.44 6.66 6.79 6.7 6.1 5.77 6.29 8/3/2011
8/30/11
6.42
(6.54) 6.54 6.6 6.51
MW-25
(Class III)
Cadmium (ug/L) 1.5
Chloride (mg/L) 35 1/11/2011
NA
NA 2/2/2011 1.34
30 3/15/2011 NA 4/4/2011 1.27 5/11/2011 6/20/2011 7/6/2011
NA 8/30/2012 1.19
NA 32 9/7/2011 10/4/2011
1.27
32 11/9/2011
NA 12/12/2011
Fluoride (mg/L) 0.42 NA 0.31 0.28 NA 8/3/2011 0.31 0.32
Uranium 6.5 7.02 All 6.8 5.56 6.72 7.06 6.74 6.37 5.96 5.27 6.56
6.87
NA
NA
NA
6.1
Nitrate + Nitrite (as N)
(mgfl.) 0.62 0.2 0.25 0.6 0.8 0.4 0.3 0.9 0.6 2.4 0.9 1.3
Uranium (ug/L) 41.8 32 69.3 31.8 60.2 57.4 18.5 57.1 19.0 5<U 58.9 55.6
Chloroform (ug/L) 70 800 730 1200 390 1900 730 300 1000 1300 440 1200
Chloride (mg/L) 58.31 52 59 64 64 54 39 64 60 66 61 55
MW-26
(Class III) Carbon Tetrachloride
(ug/L)
1/12/2011 2/16/2011 3/15/2011 4/1/2011 5/10/2011 6/20/2011 7/6/2011
<1.0 <1.0 <1.0 <1.0 <1.0 <1.0
8/3/2011
8/30/11 9/7/2011 10/12/2011 11/9/2011 12/14/2011
<1.0 <1.0 <1.0 <1.0
Field pH (S.U.) 6.74 - 8.5 6.83 6.06 6.22 6.43 6.52 6.35 6.07
(6.58) 6.71 6.82 6.75
Dichloromethane
(Methylene Chloride)
(ug/L)
<1.0 10 14 3.1 20 2.4 10 7.9 2.6 8.9
2.3
57
1400
62
<1.0
7.1
MW-30
(Class n)
Nitrate + Nitrite (as N)
(mgfl.) 2.5 75 16 17 16 16 17 17 16 16 16
Chloride (mg/L) 128 1/10/2011 NS 2/1/2011 134 3/14/2011 NS 4/11/2011 134 5/10/2011 128 6/20/2011 127 7/5/2011 127 8/3/2011 126 9/7/2011 145 10/4/2011 129 11/8/2011 122 12/12/2011
Uranium (ug/L) 8.32 NS 5.97 NS 6.49 NS NS NS NS 9.83 NS
Selenium (ug/L) 34 36.2 34.7 34 44.4 38.3 38.7 39.7 32.4 36.6 36.8
16
124
NS
38
Nitrate + Nitrite (as N)
(mg/L) 19 21 22 21 20 22 22 20 21 21 21
MW-31
(Class III)
TDS (mg/L) 1320 1240 1220 1250 1370 1290 1330 1280 1300 1300 1320 1290
Chloride (mg/L) 143 1/10/2011 NS 2/1/2011 145 3/14/2011 NS 4/1/2011 143 5/10/2011 143 6/20/2011 145 7/5/2011 148 8/2/2011 148 9/6/2011 148 10/3/2011 145
Selenium (ug/L) NS 64.6 NS 65.2 NS NS NS 66.2 NS
11/8/2011
(11/29/12) 145 12/12/2011
NS
Field pH (S.U.) 6.5 - 8.5 6.65 7.21 7.43 7.01 6.73 6.16! 6.64 6.67 7.03 7.28 7.01 (7.34)
Sulfate (mg/L) 532 NS 538 503 512 540 532 537 541 539 552
21
1330
148
NS
7.46
530
Manganese (ug/L) 200 NA 248 369 NA NA 348 267 270 271 283
Thallium (ug/l) 0.5 <0.50 NA <0.50 NA 0.52 0.57 < 0.50
MW-35
(Class II)
Gross Alpha minus Rn
& U (pCi/L) 3.75 NS NA 2/15/2011 2.6 NS NA 6/7/2011 3.7 NS NA NS NA 7/20/11 NA 8/30/2011 4.5 9/7/11 NA 10/3/11 4.4 11/8/2011 4.7 12/14/11
Selenium (ug/L) 12.5 NA NA NA 9.3 NA 10.5
Uranium (ug/L) 12.7 NA 27.7 NA NA 24.2 18.3 22.3 20.1 24
247
0.63
4.2
NA
23.6
Required Semi-Annual Sampling Weils
MW-01
(Class II)
Manganese (ug/L)
Tetrahydrofuran (ug/L)
Sulfate (mg/L)
289
11.5
838
NS
NA
NA
NA
NA
NS
NA
NA
NA
4/11/2011
4/19/2011
4/11/2011
218
10.7
704
NS
NA
NA
NA
NS
NA
NA
NA
NS NA
NA
NS
NA
NA
NA
NS NA
NA
10/11/2011
206
7.82 NS
NA
NA
NA
NS
Selenium (ug/L) 37 NA 40.5 45.4 46 46.7
MW-03
(Class III)
Field pH(S.U.) 6.5-8.5 NA 6.09 NA 6.46 NA NA NA 6.32 NA 6.53 (6.83) NA
Sulfate (mg/L) 3663 NS NA 2/15/2011 NA NS NA 4/13/2011 3060 NS NA NS NA NS NA 8/10/2011 NA NS NA 10/10/2011 3470 NS NA NS
Nitrate + Nitrite (as N)
(mgfl.) 0.73 NA NA 0.3 NA NA NA NA NA 0.3 NA
Fluoride (Mg/L) 0.68 NA 0.69 NA 0.68 NA NA NA 0.96 NA 0.91 NA
NA
NA
NA
NA
Field pH (S.U.) 6.5 - 8.5 NA 6.05 6.58 NA 6.19 NA 6.5 (6.92)
MW-03A
(Class III)
Sulfate (mg/L) 3640 NA 3730 3350 NA NA NA 3560 NA 3750 NA
Nitrate + Nitrite (as N)
(mgfl.) 1.3 NS NA 2/16/2011 NS 4/13/2011 1.2 NS NS NA NS NA 8/11/2011 NS NA 10/11/2011 1.1 NS NA NS
TDS (mg/L) 5805 NA 5770 NA 5720 NA NA NA 5810 NA 5630 NA
Selenium (ug/L) NA 99 NA 85.8 NA 95
NA
NA
NA
NA
MW-05
ass II) (Cl Uranium (ug/L) NS NA 2/14/2011 29.5 NS 4/12/2011 7.16 NS NS NS 8/9/2011 0.5 NS 10/10/2011 4.52 NS NS NA
MW-12
(Class III)
Field pH (S.U.) 6.5 - 8.5
Selenium (ug/L) 25 NS NA 2/15/2011 6.43
39 NS NA
NA 4/5/2011 6.67
21.7 NS NA
NA NS NA NS NA 8/9/2011 6.13
25.4 NA 10/6/201 6.7 (6.97)
35.4 NS NA NS NA
MW-15
(Class III)
Selenium (ug/L) 128.7 NA 116 112
Field pH(S.U.) 6.62 - 8.5 NS NA NS NA NS 4/12/2011 NS NS NS NS NA NS 10/10/2011 6.70 NS NS
Iron (ug/L) 31.7 NA NA NA <0.50 NA NA 137
NA
NA
NA
Ql 2011 Results Q2 2011 Results Q3 2011 Results Q4 2011 Results
Monitoring
Well (Water
Class)
Constituent Exceeding
GWCL
GWCL in
Current
GWDP
January 2011
Monthly
Sample Date
January 2011
Monthly Sample
Result
Ql 2011
Sample
Date
Ql 2011
Result
March 2011
Monthly
Sample Date
March
2011
Monthly
Result
Q2 2011
Sample
Date
Q2 2011
Result
May 2011
Monthly
Sample Date
May 2011
Monthly
Result
June 2011
Monthly
Sample Date
June 2011
Monthly
Result
July 2011
Monthly
Sample Date
July 2011
Monthly
Result
Q3 2011
Sample
Date
Q3 2011
Result
September
2011
Monthly
Sample Date
September
2011 Monthly
Result
Q4 2011
Sample Date
Q4 2011
Result
November
2011 Monthly
Sample Date
November
2011 Monthly-
Result
December
2011 Monthly
Sample Date
December
2011
Monthly
Result
Required Semi-Annual Sampling Wells, continued
MW-18
(Class III)
Thallium (ug/l)
Sulfate (mg/L)
Field pH (S.U.)
TDS (mg/L)
1.95
1938.9
6.25-8.5
3198.77
NS
NA
NA
NA
2/15/2011
3.49
1770
6.27
3250
NS
NA
NA
NA
NA
4/6/2011
3.74
1780
3250
NS NS NA
NA
NA
NS
NA
NA
NA
NA
8/10/2011
9/21/11
4.0 3.39
1910
5.95
3190
NS
NA
NA
NA
NA
10/11/2011
3.83
2020
6.55 (6.63)
3220
NS NS
NA
NA
Field pH (S.U.) 6.78-8.5 6.78 NA 7.03 NA NA 6.65 6.88 (7.02)
MW-19
(Class III) Gross Alpha minus Rn
& U (pCi/L) 2.36 NS 2/21/2011 NA NS NA 4/5/2011 0.5 NS NA NS NA NS NA 7/20/3011 NA NS 10/12/2011 0.6 NS
Nitrate + Nitrite (as N)
(mg/L) 2.83 NS NA 2.6 NA NA NA 4.0
NA
NA
NS NA
NA
MW-23
(Class III)
Field pH (S.U.) 6.5 - 8.5
Manganese (ug/L 550 NS NA 2/9/2011 6.13 NS NA
NS NA
4/5/2011 7.14 NS NA NS NS
NA NA NA
8/4/2011 6.38
NS NS NA 10/6/2011 6.56 (6.77)
55/ NS NA
NA
NS NA
NA
Cadmium (ug/L) 2.5 NA 2.7S NA 2.61 NA NA 1.46 NA .78
MW-24
(Class III)
Fluoride (Mg/L) 0.36 NA NA 0.19 NA NA NA NA 0.36
Thallium (ug/l.) NS NA 2/10/2011 1.42 NS NA 4/5/2011 /.07 NS NA NS NS NA 8/4/2011 <0.50 NS NA 10/11/2011 0.62 NS
Field pH (S.U. 6.5 - 8.5 NA 5.73 NA 6.12 NA NA 6.45 NA 6.44
NA
NA
NA NS
NA
NA
NA
Nitrate + Nitrite (as N)
(mg/L) 5.6 NA 6.4 NA NA NA 6.3
MW-27
(Class III)
Chloride (mg/L) 38 NA 46 NA 43 NA NA 43 NA 44
Sulfate (mg/L) 462
TDS (mg/L) 1075
NS NA
NA
2/9/2011 455
1090 NS NA 4/5/2011 1190 NS NA
NA NS NS NA 8/8/2011 1090 NS NA
NA 10/5/2011 456
1110 NS
Gross Alpha minus Rn
& U (pCi/L) NA 0.7 NA NA NA NA NA 1.5
NA
NA
NA
NA
NA
NS
NA
NA
NA
NA
NA
Chloride (mg/L) NA 114 NA 109 NA NA 143
MW-28
(Class III)
Manganese (ug/L) 1837 NS NA 2/14/2011 NA NS 4/11/2011 1690 NS NA NA NS 8/8/2011 NA NA 10/5/2011 1540 NS
Field pH (S.U.) 6.1 -8.5 5.69 NA 6.01 NA NA 5.78 6.07(6.11)
NA
NA NS
NA
NA
Manganese (ug/L) 5624 NA NS NA 4900 NA NA NA NA 4800
MW-29
(Class III)
TDS (mg/L) 4400 NA NS NA 4080 NA NS NA NA NA 4280
NS 4/18/2011 NS NS 8/9/2011 NS NS
Field pH (S.U.) 6.46 - 8.5 NA NA 6.45 NA NA 6.20 NA 6.52
NA
NA
NA
NS
NA
NA
NA
MW-32
(Class III)
Gross Alpha minus Rn
& U (pCi/L) 3.33 1.5 NA 4.6 NA NA
NS 2/9/2011 NS 4/1/2011 NS NS NS
Field pH(S.U.) 6.4 - 8.5 NA 5.99 NA 6.14 NA NA
8/2/2011
8/30/11
1.9 3.7
6.10
(6.20)
NS 10/3/2011 NS
NA 6.35
NA
NA
NS
NA
NA
Notes:
GWCL values are taken from August 24. 2012 version of GWDP.
NS = Not Required and Not Sampled
NR = Required and Not Reported
NA = Not Applicable
Exceedances are shown in yellow
Values in () parentheses are the field pH measurements for the resampled analyses.
Table 1 - GWCL Exceedances for Fourth Quarter 2013 under the August 24. 2012 GWDP
Ql 2012 Results Q22012 Results Q3 2012 Results Q4 2012 Results
Monitoring Well
(Water Class)
Constituent
Exceeding GWCL
GWCL in
August 24,
2012 GWDP
January 2012
Monthly
Sample Date
January 2012
Monthly
Result
Ql 2012
Sample Date
Ql 2012
Result
March 2012
Monthly
Sample Date
March
2012
Monthly
Result
April 2012
Monthly
Sample Date
April 2012
Monthly
Result
Q2 2012
Sample
Date
Q2 2012
Result
June 2012
Monthly
Sample
Date
June
2012
Monthly
Result
Q3 2012
Sample
Date
Q3 2012
Result
August
2012
Monthly
Sample
Date
August
2012
Monthly
Result
September
2012
Monthly
Sample
Date
September
2012
Monthly
Result
October
2012
Monthly
Sample
Date
October
2012
Monthly
Result
Q4 2012
Sample
Date
Q4 2012
Result
December
2012
Monthly
Sample
Date
December
2012
Monthly
Result
Required Quarterly Sampling Wells
MW-11 (Class II) Field pH (S.U.)
Manganese (ug/L)
6.5 - 8.5
131.29 1/26/2012 102 2/13/2012 7.59
154 3/13/2012 7.47
121 4/10/2012 7.66
132 5/8/2012 7.49
127 6/19/2012 7.82
122 7/11/2012 7.74
/35 8/7/2012 7.43
166 9/19/2012 7.91
130 10/23/2012 7.39
161 11/12/2012 7.47
138 12/24/2012 7.46
137
MW-14 (Class III) Manganese (ug/L) 2230.30
Field pH (S.U.) 6.5 - 8.5
1/24/2012
NA
6.36 2/21/2012 1790
6.57 3/14/2012 6.51 4/12/2012 NA
6.97 5/9/2012
2360
6.73 6/19/2012 NA
6.90 7/11/2012
2100
6.89
8/7/2012 2300
6.58 9/18/2012
2140
10/23/2012
2110
6.83 11/27/2012
2100
6.52
12/18/2012
1950
6.60
Field pH (S.U.) 6.5 - 8.5 6.63 6.83 6.55 6.58 6.73 6.99 6.55 6.54 6.54 6.47
MW-25 (Class HI) Cadmium (ug/L) 1.5
Chloride (mg/L) 35 1/25/2012 NA
NA 2/14/2012 1.31
30 3/14/2012 4/9/2012
NA
NA 5/2/2012
1.33
30 6/18/2012
NA
NA 7/10/2012
1.24
33 8/6/2012
NA
NA 9/18/2012
NA
NA 10/22/2012 11/12/2012
1.56
28.8 12/24/2012
Fluoride (mg/L) 0.42 NA 0.34 NA NA 0.32 NA 0.3 NA NA 0.298
Uranium 6.5 6.6 6.5 6.93 6.52 5.90 7.6 6.45 6.72 6.01 6.37 6.61
6.62
NA
NA
4.83
Nitrate + Nitrite (as
N) (mgfl.) 0.62 1.9 2/15/2012 1.2 3.4 2.9 2.3 7/11/2012 1.9 1.6 3.5 0.55
Uranium (ug/L) 41.8 64.6 2/21/2012 59.4 31.2 42.2 18.2 66.0 28.4 67.4 64.9 26.9 56.8
Chloroform (ug/L) 70 1900 3300 2900 2900 1700 2400 8/16/2012 970 2200 2300 4720 4020
Chloride (mg/L) 58.31 68 40 74 82 74 85 7/11/2012 78 78 67 2.62 52.9
2/15/2012
MW-26 (Class III) Carbon Tetrachloride
(ug/L)
1/25/2012 3/14/2012 4/11/2012
<1.0 <1.0 <1.0 <1.0
5/7/2012
6/26/2012 6/19/2012 8/8/2012 9/19/2012 10/24/2012 11/15/2012 12/24/2012
<1.0 <1.0 8/16/2012 <1.0 <1.0 <1.0 <1.0 <1.0
Field pH (S.U.) 6.74 - 8.5 6.59 2/15/2012
2/21/2012
Dichloromethane
(Methylene Chloride)
(ug/L)
6.72 (6.91)
(6.71) 6.39 7.00 (7.01) 7.00 7/11/2012
8/16/2012
7.10
(6.80) 6.60 7.40 6.63 6.60
13 2/15/2012 24 27 20 10 16 8/16/2012 4.9 77 9.8 15.0 34.6
1.46
51.3
1250
65.9
<1.0
6.78
5.5
Nitrate + Nitrite (as
N) (mg/L) 2.5 1/24/2012 17 17 18 17 16 15 17 18 16 16.2 18.5
MW-30 (Class II) Chloride (mg/L) 128 2/14/2012 126 3/14/2012 128 4/10/2012 128 5/2/2012 124 6/18/2012 131 7/10/2012 128 8/7/2012 139 9/19/2012 130 10/23/2012 135 11/13/2012 114 12/26/2012
Uranium (ug/L) 3.32 NS 7.42 8.38 7.84 6.81 7.64 8.04 7.67 7.86 7.03
Selenium (ug/L) 34 1/24/2012 33.3 35 39.5 39.1 32.3 37 38.5 38.4 41.9 45.2 36
17.2
122
5.80
31.6
Nitrate + Nitrite (as
N) (mgfl.) 21 21 22 21 20 21.6 21 21 21 18 23.6
TDS (mg/L) 1320 1360 1240 1400 1380 1410 1460 1400 1400 1460 1320 1230
MW-31 (Class III) Chloride (mg/L) 143 1/24/2012 755 2/13/2012 150 3/13/2012 152 4/9/2012 160 5/2/2012 151
Selenium (ug/L) NS 67.8 NS 70.2
6/18/2012
6/29/2012 138 7/9/2012 161 8/6/2012 175 9/18/2012 772 10/22/2012 757 11/6/2012 189 12/18/2012
NA 74 NA NA 76.9
Field pH (S.U.) 6.5 - 8.5 6.78 7.37 7.14 7.19 7.28 (7.63) 7.53 6.96 7.05
Sulfate (mg/L) 532 539 538 517 547 532 497 529 571 561 545 557
22.2
1270
170
664
Manganese (ug/L) 200 264 253 269 277 258 304 272 273 283 253 241
Thallium (ug/l) 0.5 < 0.50 0.65 0.71 0.59 0.66 < 0.50 0.57 0.61 0.54 0.517 0.554
MW-35 (Class II) Gross Alpha minus
Rn & U (pCi/L) 3.75 1/24/2012 6.5 2/14/2012 4.1 3/13/2012 6.2 4/10/2012 4.1 5/2/2012 4.5 6/19/2012 4.9 7/10/2012 3.5 8/8/2012 4.2 9/19/2012 5.4 10/23/2012 4.31 11/13/2012 4.23 12/18/2012
Selenium (ug/L) 12.5 NA 19.7 NA 11.4 7.0 15.9 18.8 19.0 15.4
Uranium (ug/L) 7.5 16.1 24.7 24.9 22.4 22.2 22.5 24.5 26.2 22.9 22.4 21.8
240
0.5
6.5
12.1
21
Required Semi-Annual Sampling Wells
MW-01 (Class II)
Manganese (ug/L)
Tetrahydrofuran (ug/L;
Sulfate (mg/L)
289
838
NS
NA
NS
NA
NA
NS NS
NA
NA
NA
5/1/2012
176
10.3
659
NS
NA
NA NS NS NS NS
NA
NA
NA
11/27/201:
315
21.8
846
NS NA
NA
Selenium (ug/L) NA 43.1 NA 52.8 NA 5/./ NA NA 58.9
Field pH (S.U.) 6.5-6.63 NA NA 6.67 6.99 NA NA 6.55
MW-03 (Class III) Sulfate (mg/L) 3663 NS 2/29/2012 NA NS NA NS NA 5/14/2012 3140 NS NA 7/18/2012 NA NS NS NA NS NA 11/28/2012 2340 NS
Nitrate + Nitrite (as
N) (mg/L) 0.73 NA NA NA 0.4 NA NA 0.419
Fluoride (Mg/L) 0.68 0.86 NA NA 1.04 0.96 NA NA 1.26
NA
NA
NA
NA
NA
Field pH (S.U.) 6.5 - 8.5 NA 6.46 NA NA 7.01 NA NA 6.35
MW-03A (Class
III)
Sulfate (mg/L) 3640 NA 3020 NA 3220 3700 NA NA 2780
Nitrate + Nitrite (as
N) (mg/L) 1.3 NS NA 3/1/2012 NA NS NS 5/15/2012 1.1 NS NA 7/19/2012 NA NS NA NS NA NS 11/29/2012 1.31 NS
TDS (mg/L) 5805 5690 NA NA 5730 5720 NA NA 5610
Selenium (ug/L) NA 65.8 NA NA 85.1 NA 99.3 NA 111
NA
NA
NA
NA
MW-05 (Class II) Uranium (ug/L) 7.5 NS NA 2/28/2012 18.6 NS 5/9/2012 1.23 NS NA 7/16/2012 0.75 NS NA NS NA NS 11/27/201: 0.402 NS
MW-I2 (Class III) Field pH (S.U.) 6.5-
Selenium (ug/L) 25 NS NA 2/29/2012 NA
27.2 NA NS NA
NA 5/10/2012 6.91 NS NA 7/17/2012 20.7 NS NA
NA NS NA NS NA 11/27/2012 6.54 NS NA
Selenium (ug/L) 128.7 NA NA /52 NA 120 NA NA 117
MW-15 (Class III) Field pH(S.U.) 6.62 - 8.5 NS NA 2/22/2012 6.84 NS NS 5/9/2012 6.63 NS NA 7/17/2012 7.05 NS NA NS NA NS 11/14/2012 6.86 NS
Iron (ug/L) 31.7 NA <30 <30 NA <30 NA <30
NA
Ql 2012 Results Q2 2012 Results Q3 2012 Results Q4 2012 Results
Monitoring Well
(Water Class)
Constituent
Exceeding GWCL
GWCL in
Current
GWDP
January 2012
Monthly
Sample Date
January 2012
Monthly
Result
Ql 2012
Sample Date
Ql 2012
Result
March 2012
Monthly
Sample Date
March
2012
Monthly
Result
April 2012
Monthly
Sample Date
April 2012
Monthly
Result
Q2 2012
Sample
Date
Q2 2012
Result
June 2012
Monthly
Sample
Date
June
2012
Monthly
Result
Q3 2012
Sample
Date
Q3 2012
Result
August
2012
Monthly
Sample
Date
August
2012
Monthly
Result
September
2012
Monthly
Sample
Date
September
2012
Monthly
Result
October
2012
Monthly
Sample
Date
October
2012
Monthly
Result
Q4 2012
Sample
Date
Q4 2012
Result
December
2012
Monthly
Sample
Date
December
2012
Monthly
Result
Required Semi-Annual Sampling Weils, continued
MW-18 (Class III)
Thallium (ug/l)
Sulfate (mg/L)
Field pH(S.U.)
TDS (mg/L)
1.95
1938.9
6.25-8.5
3198.77
NS NA
NA
2/27/2012
3.63
1920
6.6
3230
NS NA
NA
NA
NS
NA
NA
NA
NA
4/30/2012
3.51
1790
6.59
3280
NS
NA
NA
NA
NA
7/18/2012
3.73
1900
6.64
3220
NS
NA
NA
NA
NA
NS
NA
NA
NA
NA
NS
NA
NA
NA
NA
11/26/2012
3.2
1210
6.51
3160
NS
NA
NA
NA
NA
Field pH (S.U.) 6.78-8.5 NA 6.83 NA NA NA 7.21 NA NA NA 6.71
MW-19 (Class III) Gross Alpha minus
Rn & U (pCi/L) 2.36 NS NA 2/28/2012 NA NS NA NS NA 5/16/2012 0.9 NS NA 7/19/2012 NA NS NA NS NA NS NA 12/13/2012 4.86
Nitrate + Nitrite (as 2.83 NA 3.9 NA NA 3.7 NA NA NA NA 3.96
NA
NA
NA
MW-23 (Class III) Field pH (S.U.) 6.5-
Manganese (ug/L) NS NA
550 NA
2/20/2012 6.61
NS NS NA
NA NA
5/16/2012 6.74
49 NS NA
NA 7/17/2012 7.10 NS NA NS NS
117 NA NA NA
12/5/2012 6.61
54.3
NS
NA
Cadmium (ug/L) 2.5 NA 2.25 NA 2.01 NA 4.7 NA
MW-24 (Class III) Fluoride (Mg/L) 0.36 NA NA 0.14 NA NA 0.55S
Thallium (ug/L) NS NA 2/23/2012 0.96 NS NS NA 5/10/2012 0.74 NS NA 7/18/2012 1.36 NS NS NA NS 11/29/2012 0.666
Field pH (S.U.) 6.5-8.5 NA 6.03 NA NA 6.21 NA 6.45 NA NA NA 6.01
NS
NA
NA
NA
Nitrate + Nitrite (as
N) (mgfl.) 5.6 NA 6.4 NA NA 6.2 NA 6.7 NA NA NA 6.9
Chloride (mg/L) 38 45 NA 46 NA 47 NA 44.2
MW-27 (Class III) Sulfate (mg/L) 462
TDS (mg/L) 1075 NS NA
NA 2/28/2012 1140 NS NA
NA NS NA
NA 5/1/2012 446
1170 NS NA
NA
7/16/2012 453
1150 NS NA NS NS 11/13/201: 451
1070
Gross Alpha minus
Rn & U (pCi/L) NA 2.3 NA NA 0.8 NA NA NA NA 1.33
NS
NA
NA
Chloride (mg/L) 105 NA 109 NA NA 114 NA 7/16/2012 105 NA NA NA 115
MW-28 (Class III) Manganese (ug/L) 1837 NS NA 2/28/2012 NA NS NA NS NA 5/8/2012 1850 NS NA 8/1/2012 1660
Field pH (S.U.) 6.1 -8.5 NA 6.22 NA NA 6.15 NA 7/16/2012
8/1/2012
6.38
(5.81)
NS NA NS NS 1 1/14/2012 1680
NA NA NA 5.98
NS
NA
NA
Manganese (ug/L) 5624 NA NA NA 6140 NA 8/1/2012 5190 NA NA 5040
MW-29 (Class III)
TDS (mg/L) 4400 NA NA 4600 NA 8/1/2012 4420
NS 2/22/2012 NS
4430
NS 5/8/2012 NS
Field pH (S.U.) 6.46-NA 7.12 NA 6.47 NA 7/16/2012
8/1/2012
6.68
(6.45)
NS NS NS 11/14/2012
NA NA 6.48
NS
NA
NA
MW-32 (Class III)
Gross Alpha minus
Rn & U (pCi/L) 3.33 NA NA NA 2.4 NA 1.4 NA NA NA 2.97
NS 2/21/2012 NS NS 4/30/2012 NS 7/9/2012 NS NS 11/6/2012
Field pH (S.U.) 6.4-NA 6.57 NA NA 6.40 NA 6.72 NA NA NA 6.23
NA
NA
Notes:
GWCL values are taken from August 24. 2012 version of GWDP.
NS = Not Required and Not Sampled
NR = Required and Not Reported
NA = Not Applicable
Exceedances are shown in yellow
Values in () parentheses are the field pH measurements for the resampled analyses.
Table 1 - GWCL Exceedances for Fourth Quarter 2013 under the August 24, 2012 GWDP
Ql 2013 Results Q2 2013 Results Q3 2013 Results Q4 2013 Results
Monitoring
Well (Water
Class)
Constituent
Exceeding GWCL
GWCL in August 24,
2012 GWDP
January 2013
Monthly Sample
Date
January
2013
Monthly
Result
Ql 2013
Sample
Date
Ql 2013
Result
March
2013
Monthly
Sample
Date
March 2013
Monthly
Result
April 2013
Monthly
Sample Date
April 2013
Monthly
Result
Q2 2013
Sample
Date
Q2 2013
Result
June
2013
Monthly
Sample
Date
June 2013
Monthly
Result
Q3 2013
Sample
Date
Q3 2013
Result
August
2013
Monthly
Sample
Date
August
2013
Monthly
Result
September
2013
Monthly
Sample
Date
September
2013
Monthly
Result
October
2013
Monthly
Sample Date
October
2013
Monthly
Result
Q4 2013
Sample
Date
Q4 2013
Result
December
2013
Monthly
Sample
Date
December
2013
Monthly
Result
Sample
Frequency
Required Quarterly Sampling Wells
MW-I 1 (Class
II)
Field pH (S.U.)
Manganese (ug/1.)
Manganese (ug/L)
6.5 - 8.5
131.29 1/23/2013 7.45
115 2/20/2013 7.46
139 3/20/2013 7.33
164 4/16/2013 6.17
181 5/14/2013 7.88
144 6/25/2013 7.47
135 7/10/2013 7.40
138 8/20/2013 7.70
158 9/18/2013 7.39
134 10/22/2013 7.62
129 11/19/2013 7.33
152 12/18/2013 7.74
196
Quarterly
Quarterly
MW-14 (Class
m)
2230.30
Field pH (S.U.) 6.5 - 8.5
1/23/2013 1930
6.48 2/26/2013 2250
6.52
3/20/2013 2110
6.48 4/16/2013 2060
7.58
5/14/2013 2200
7.39
6/25/2013 1990
6.54
7/11/2013 2100
6.47
8/20/2013
2100
9/19/2013
2190 2030 1960
6.48 6.77 6.51 12/18/2013 2030
6.74
Quarterly
Quarterly
Field pH (S.U.] 6.5-6.65 6.62 6.41 7.00 7.19 6.61 6.32 6.74 6.54 6.81 6.62 6.73
MW-25 (Class
ni)
Cadmium (ug/L) 1.5
Chloride (mg/L) 35 1/22/2013 NA 2/20/2013 1.35
36.1 3/19/2013 1.40 4/17/2013 1.36 5/14/2013
1.52
28.1 6/24/2013 1.31
30.4 7/10/2013 8/19/2013
7.57
9/17/2013
1.31
29.6 10/22/2013
1.50
28.6 11/19/2013
1.35
29.0 12/17/2013
1.23
31.2
Fluoride (mg/L) 0.42 0.32 0.392 0.534 NA NA NA 0.329 0.296
Uranium 6.5 5.56 5.88 5.35 6.42 5.99 5.94 7.13
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Nitrate + Nitrite (as
N) (mg/L) 0.62 1.66 1.38 1.61 1.73 2.01 3.04 2.11* 1.98 1.77 3.60 4.10 1.38 2.56
Uranium (ug/L) 41.8 65.7 57.S 69 58.8 64.3 71.3 70 72.3 19.9 58.8 75.8 70.4
Chloroform (ug/L) 70 /270 1500 1340 1680 1210 4030* 2410 2110 4170 3420 1220 1680
Chloride (mg/L) 58.31 63.5 77 73.6 70.4 63.1 87.8 77.9* 72.1 70.8 77.3 63.8 62.3 65.7
MW-26 (Class
III) Carbon
Tetrachloride (ug/L)
1/24/2013 2/20/2013 3/20/2013 4/17/2013 5/23/2013
NA 3.15 NA NA <I.O
6/5/2013
6/25/2013 7/11/2013 8/20/2013 9/18/2013 10/23/2013 11/20/2013 12/18/2013
<i.O <1.0 NA NA <1.0 NA
Field pH (S.U.; 6.74-6.57 6.7/ 6.70 6.96 7.31 6.85 6.43 7.41 6.71 6.82 6.83 6.93
Dichloromethane
(Methylene
Chloride) (ug/L)
6.49 5.53 8.31 10.2 4.07 52.4*
H2.1I 14.2 14.6 42.4 29.8 7.64 7.48
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
MW-30 (Class
II)
Nitrate + Nitrite (as
N) (mg/L) 2.5 19.2 21.4 14.3 16.8 18.8 16.1 17.6 16.4 16.9 19.7 19.5 20.7
Chloride (mg/L) 128 1/23/2013 128 2/26/2013 129 3/20/2013 126 4/17/2013 117 5/15/2013 119 6/25/2013 127 7/10/2013 130 8/20/2013 126 9/18/2013 131 10/22/2013 128 11/20/2013 12/18/2013 134
Uranium (ug/L) 1.32 8.36 I.A 6.85 7.08 6.31 8.22 7.48 7.07 7.00 6.91 «.57
Selenium (ug/L) 34 37.2 42.3 39 37.3 39.4 32.1 36.5 36.3 35.2 39.5 36.6 35.1
Quarterly
Quarterly
Quarterly
Quarterly
Nitrate + Nitrite (as
N) (mg/L) 22.8 19.3 19.1 18.8 23.8 20.0 21.7 16.0 21.2 21.2 23.9 24.2
MW-31 (Class
III)
TDS (mg/L) 1320 1270 1390 1420 1260 1540 1380 1510 1440 1500 1460 1320 1500
Chloride (mg/L) 143 1/22/2013 176 2/19/2013 174 3/19/2013 168 4/16/2013 171 5/13/2013 169 6/24/2013 179 7/9/2013 182 8/19/2013 183 9/17/2013 193 188 11/18/2013 174 12/17/2013 203
Selenium (ug/L) NS 74.1 81.8 72.9 75.9 73.7 75.7 73.2 72.6 80.7 74.5 79.8
Field pH (S.U.) 6.5-6.94 7.32 7.28 6.37 7.10 6.98 7.06 7.35 6.99 7.23
Sulfate (mg/L) 611 644 611 668 630 659 659 656 666 637 609 656
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Manganese (ug/L) 200 247 272 246 243 252 243 250 262 257 240 251 260
Thallium (ug/l) 0.5 <0.5 <0.5 0.505 <0.5 0.7/5 0.946 <0.5 <0.5 <0.5 <0.5 <0.5 <0.5
MW-35 (Class
II)
Gross Alpha minus
Rn & U (pCi/L) 3.75 1/23/2013 6.62 2/26/2013 5.09 9.51 4/17/2013 4.75 5/13/2013 4.92 6/24/2013 3.24 7/9/2013 5.70 8/19/2013 3.92 9/17/2013 5./0 10/23/2013 3.73 11/19/2013 5.39 12/17/2013 4.74
Selenium (ug/L) 12.5 10.8 22.6 16.1 13.6 8.01 <5 <5 19.8
Uranium (ug/L) 7.5 23.6 21.3 22.1 20.0 22.0 19.3 23.0 21.4 20.2 21.8 24.1 20
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Required Semi-Annual Sampling Wells
MW-01 (Class
II) "etrahydrofuran (ug/I
Manganese (ug/L)
Sulfate (mg/L)
289
11.5
838
NS
NA
NA
NA
3/12/2013
173
12.6
761
NA
NA
NA
NS
NA
NA
NA
5/21/2013
127
3.26
839
NS
NA
NA
NA
7/23/2013
83.9
911
NS
NA
NA
NA
NS NS 12/4/2013
113
5.51
930
NS
NA
NA
NA
Semi-Annually
Semi-Annually
Semi-Annually
Selenium (ug/L) 51.8 46.3 52.0 NA NA NA 32.8
MW-03 (Class
III)
Field pFHS.U.) 6.5 -NA 6.20 NA 7.14 NA 6.46 NA NA NA 6.78
Sulfate (mg/L) 3663 NS NA 3/12/2013 NA NS NA NS NA 5/22/2013 NS NA 7/18/2013 NA NS NA NA NS 12/11/2013 3760 NS
Nitrate + Nitrite (as
N) (mg/L) 0.73 NA NA NA NA 0.456 NA NA NA 1.21
Fluoride (Mg/L) 0.68 NA 0.902 NA 0.994 NA 1.18 NA NA 1.28
Semi-Annually
Semi-Annually
Semi-Annually
Semi-Annually
Semi-Annually
Field pH(S.U.: 6.5 - 8.5 6.84 7.10 NA 6.50 NA NA NA 6.98 NA
MW-03 A (Class
III)
Sulfate (mg/L) 3640 NA 3480 NA NA 3120 NA 3670 NA NA NA 3360
Nitrate + Nitrite (as
N) (mg/L) 1.3 NS 3/13/2013 1.22 NS NA 5/23/2013 III NS NA 7/19/2013 1.09 NS NA NS NA NS NA 12/11/2013 1.52 NS
TDS (mg/L) 5805 NA 5750 NA NA 6020 NA 5«60 NA NA NA 5940
Selenium (ug/L) 89 NA NA NA NA NA 77.9 NA
Semi-Annually
Semi-Annually
Semi-Annually
Semi-Annually
Semi-Annually
MW-05 (Class
II) Uranium (ug/L) 7.5 NS NA 3/11/2013 36 NS NS 5/14/2013 1.33 NS NA 7/18/2013 0.574 NS NA NS NA NS NA 12/4/2013 20.1 NS NA Semi-Annually
MW-12 (Class
III)
Field pHIS.U.) 6.5 - 8.5
25 NS NA 3/6/2013 6.56 NA NS NA 5/15/2013 19.0 NS NA 7/17/2013 6.60
20.5 NS NA NS NA NS NA
NA 12/9/2013 6.69 NS NA Semi-Annually
Semi-Annua uaily
MW-15 (Class
III)
Selenium (ug/L) 128.7 137 120 NA 100 NA NA NA 106 NA
Field pH (S.U.) 6.62 - 8.5 NS NA 3/5/2013 6.75 NS NS 5/15/2013 7.27 NS 7/18/2013 6.68 NA NA NS NA 11/20/2013 6.6/ NS NA
Iron (ug/L) 81.7 NA <30 NA <30 <30 NA NA <30 NA
Semi-Annually
Semi-Annually
Semi-Annually
Ql 2013 Results Q2 2013 Results Q3 2013 Results
Monitoring
Well (Water
Class)
Constituent
Exceeding GWCL
GWCL in Current
GWDP
January 2013
Monthly Sample
Date
January
2013
Monthly
Result
Ql 2013
Sample
Date
Ql 2013
Result
March
2013
Monthly
Sample
Date
March 2013
Monthly
Result
April 2013
Monthly
Sample Date
April 2013
Monthly
Result
Q2 2013
Sample
Date
Q2 2013
Result
June
2013
Monthly
Sample
Date
June 2013
Monthly
Result
Q3 2013
Sample
Date
Q3 2013
Result
August
2013
Monthly
Sample
Date
August
2013
Monthly
Result
September
2013
Monthly
Sample
Date
September
2013
Monthly
Result
October
2013
Monthly
Sample Date
October
2013
Monthly
Result
Q4 2013
Sample
Date
Q42013
Result
December
2013
Monthly
Sample
Date
December
2013
Monthly
Result
Sample
Frequency
Required Semi-Annual Sampling Wells, continued
MW-18 (Class
m)
Thallium (ug/l)
Sulfate (mg/L)
Field pH (S.U.)
TDS (mg/L)
1.95
1938.9
6.25-8.5
3198.77
NS NA
NA
2/25/2013
3.26
1270
6.35
3350
NS NS
NA
5/20/2013
2.81
1860
6.97
3160
NS
NA
7/15/2013
3.32
1860
6.45
3170
NS
NA
NA
NA
NA
NS
NA
NA
NA
NA
NS 12/3/2013
3.06
2000
6.38
3240
NS
NA
NA
NA
NA
Semi-Annually
Semi-Annually
Semi-Annually
Semi-Annually
Field pH (S.U.) 6.78-8.5 NA 6.50 7.16 6.91 NA NA 6.58
MW-19 (Class
111) Gross Alpha minus
Rn & U (pCi/L) 2.36 NS NA 3/13/2013 1.11 NS NA NS 5/20/2013 1.19 NS 7/15/2013 <1.00 NS NA NS NA NS NA 12/3/2013 <1.00 NS
Nitrate + Nitrite (as
N) (mg/L) 2.83 NA 3.61 NA 4.21 3.66 NA NA 3.70
NA
NA
NA
Semi-Annually
Semi-Annually
Semi-Annually
MW-23 (Class
ITI)
Field pH (S.U.: 6.5 - 8.5
Manganese (ug/L)
NS 3/11/2013 6.37 NS NA NS NA 5/23/2013 7.23 NS NA 7/18/2013 6.61 NS NA
550 NA 137 NA 24.3 NA NS NS NA 2/18/2013 7.21 NS
NA NA 19.2 NA
Semi-Annually
Semi-Annually
Cadmium (ug/L) 2.5 2.0 NA NA 1.32 NA 6.72 NA 1.15
MW-24 (Class
m)
Fluoride (Mg/L) 0.36 0.355 NA 0.211 NA 0.288 NA 0.310
Thallium (ug/L) NS 3/13/2013 0.88 NS NA NS NA 5/22/2013 0.618 NS NA 7/19/2013 1.64 NS NA NS NS NA 12/12/2013 0.707 NS
Field pH (S.U.) 6.5 - 8.5 NA 6.29 6.77 NA 5.80 NA NA 6.08
NA
NA
Semi-Annually
Semi-Annually
Semi-Annually
Semi-Annually
Nitrate + Nitrite (as
N) (mg/L) 5.6 NA 7.94 NA 7.09 6.97 NA NA NA 7.89
MW-27 (Class
ni)
Chloride (mg/L) 38 50.3 NA NA 44.3 NA 44.2 NA 45.0
Sulfate (mg/L) 462
TDS (mg/L) 1075
NS 2/25/2013 431
1140 NS NA
NA NS NA
NA 5/21/2013 497
1110 NS NA
NA 7/17/2013 NA
1110
NS
NA
NS NS NA
NA 12/4/2013 1100 NS
Gross Alpha minus
Rn & U (pCi/L) NA <1.0 NA NA 1.57 <1.00 NA NA NA 1.28
NA
NA
Semi-Annually
Semi-Annually
Semi-Annually
Semi-Annually
Semi-Annually
Chloride (mg/L) 105 NA 110 NA NA 102 NA 707 NA NA NA 109
MW-28 (Class
m)
Manganese (ug/L) 1837 NS NA 3/5/2013 1680 NS NA NS NA 5/15/2013 1730 NS NA 7/17/2013 1650 NS NS NS NA 12/4/2013 1530 NS
Field pH (S.U.) 6.1 -8.5 NA 6.00 NA 6.63 NA 5.97 NA NA NA 6.10
NA
NA
Semi-Annually
Semi-Annually
Semi-Annually
Manganese (ug/L) 5624 5340 NA NA 5140 NA 5140 NA NA 5320
MW-29 (Class
III)
TDS (mg/L) 4400 4500 NA 4340 NA 4270 NA 4370
NS 3/6/2013 NS NS 5/23/2013 NS 7/17/2013 NS NS NS 11/20/2013 NS
Field pH (S.U.) 6.46 - 8.5 6.36 NA NA 6.37 NA 6.35
NA
NA
Semi-Annually
Semi-Annually
Semi-Annually
MW-32 (Class
ffl)
Gross Alpha minus
Rn & U (pCi/L) 3.33 NA 5.02 NA 3.72 NA 6.46 NA NA NA
NS 2/19/2013 NS NS 5/13/2013 NS 7/9/2013 NS NS NS 11/18/2013 NS
Field pH (S.U.) 6.4 - 8.5 NA 6.52 NA NA 7.10 NA 6.39 NA NA 6.29
NA Semi-Annually
Semi-Annually
Notes:
GWCL values are taken from August 24, 2012 version of GWDP.
NS = Not Required and Not Sampled
NR = Required and Not Reported
NA = Not Applicable
Exceedances are shown in yellow
Values in () parentheses are the field pH measurements for the resampled analyses.
* Data are reported from the 6/5/13 chlorofrm program sample.
This constituent was removed from accelerated monitoring pursuant to the DRC letter dated
November 14, 2013. The constituent exceeded the GWCL in the 4th quarter sample and
will be sampled monthly beginning on or before March 2014.
Pursuant to the RC letter of November 14, 2013, these constituents will no longer be monitored on an accelerated schedule. These constituents will be dropped from this report after this quan
Table 1 - GWCL Kxceedanccs for First Quarter 2014 under Ihe August 24, 2(112 GW DP
Ql 2014 Results
Monitoring
Well (Water
Class)
Constituent Exceeding
GWCL
GWCL in August 24.
2012 GWDP
January 2014
Monthly Sample
Date
January
2014
Monthly
Result
February
2014
Monthly
Sample
Date
February
2014
Monthly
Result
Ql 2014
Sample
Date
Ql 2014
Result
Sample
Frequency
Required Quarterly Sampling Wells
MW-11 (Class
II)
Field pH (S.U.)
Manganese (ug/L)
6.5 - 8.5
131.29 1/8/2014 141 2/24/2014 7.08
163 3/11/2014 7.10 Quarterly
Quarterly
MW-14 (Class
HQ
Manganese (ug/L) 2230.30
Field pH (S.U.) 6.5 - 8.5 1/8/2014
2040
6.60 2/24/2014
2000
6.16
3/11/2014 1930
6.33
Quarterly
Quarterly
Field pH (S.U.) 6.5 - 8.5 6.37 6.10 6.27
MW-25 (Class
III)
Cadmium (ug/L) 1.5
Chloride (mg/L) 35 1/7/2014 1.39
31.0 2/13/2014 1.29
30.4 3/10/2014 .29
31.5
Fluoride (mg/L) 0.42 0.297 0.313 0.355
Uranium 6.5 NA 5.83 6.26
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Nitrate + Nitrite (as N)
(mg/L) 0.62 2.42 2.12 1.30
Uranium (ug/L) 41.8 81.7 72.2 51.8
Chloroform (ug/L) 70 1580 2810 2800
Chloride (mg/L) 58.31 69.7 70.4 61.0
MW-26 (Class
m) Carbon Tetrachloride
(ug/L)
1/8/2014 2/24/2014 3/12/2014
NA NA 6.86
Field pH (S.U.) 6.74 - 8.5 6.78 6.50
Dichloromethane
(Methylene Chloride)
(ug/L)
6.52 25.8 15.5
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
MW-30 (Class
Nitrate + Nitrite (as N)
(mg/L) 2.5 20.3 18.4 21.3
Chloride (mg/L) 128 1/8/2014 131 2/25/2014 135 3/11/2014 144
Uranium (ug/L) 8.32 NA 6.83
Selenium (ug/L) 34 35.6 35.8 38.0
Quarterly
Quarterly
Quarterly
Quarterly
Nitrate + Nitrite (as N)
(mg/L) 24.0 20.6 26.2
MW-31 (Class
ni)
TPS (mg/L) 1320 1510 1460 1490
Chloride (mg/L) 143 1/7/2014 194 2/17/2014 197 230
Selenium (ug/L) 74.4 75.8 77.2
Field pH (S.U.) 6.5 - 8.5 7.13 6.45 6.53
Sulfate (mg/L) 558 480 681
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Manganese (ug/L) 200 252 247 204
Thallium (ug/l) 0.5 0.535 <0.5 <0.5
MW-35 (Class
II)
Gross Alpha minus Rn i
U (pCi/L) 3.75 1/8/2014 4.12 2/11/2014 3.98 2/26/14 4.33
Selenium (ug/L) 12.5 8.95 12.3 14.1
Uranium (ug/L) 20.8 20.6 21.5
Quarterly
Quarterly
Quarterly
Quarterly
Quarterly
Required Semi-Annual Sampling Wells
MW-01 (Class
II)
Manganese (ug/L)
Tetrahydrofuran (ug/L)
Sulfate (mg/L)
289
11.5
838
NS NS 2/20/2014
76.8
3.25
836
Selenium (ug/L) NA NA 37.0
MW-03 (Class
III)
Field pH (S.U.) 6.5 - 8.5 NA NA 6.23
Sulfate (mg/L) 3663 NS NS 2/26/2014
Nitrate + Nitrite (as N)
(mg/L) 0.73 NA NA
Fluoride (Mg/L) 0.68 NA NA 0.77/
Semi-Annua
Semi-Annua
Semi-Annua
Semi-Annua
Field pH (S.U.) 6.5-NA NA 6.58
MW-03A (Class
III)
Sulfate (mg/L) 3640 NA NA 3100
Nitrate + Nitrite (as N)
(mg/L) 1.3 NS NA NS NA 3/5/2014 0.849
TDS (mg/L) 5805 5600
Selenium (ug/L) 89 NA NA 92.1
Semi-Annua
Semi-Annua
Semi-Annua
MW-05 (Class
UJ Uranium (ug/L) 7.5 NS NA NS NA 2/12/2014 22.0 Semi-Annua
MW-12 (Class
III)
Field pH (S.U.) 6.5 - 8.5
Selenium lug/1.1 25 NS NA NS NA
NA 2/12/2014 6.13 Semi-Annua
MW-15 (Class
III)
Selenium (ug/L) 128.7 NA NA 110
Field pFMS.U.: 6.62 - 8.5 NS NA NS NA 2/25/2014 6.51
Iron (ug/L) 31.7 NA NA <30
Semi-Annua
Semi-Annua
Semi-Annua
Ql 2014 Results
Monitoring
Well (Water
Class)
Constituent Exceeding
GWCL
GWCL in Current
GWDP
January 2014
Monthly Sample
Date
January
2014
Monthly
Result
February
2014
Monthly
Sample
Date
February
2014
Monthly
Result
Ql 2014
Sample
Date
Ql 2014
Result
Sample
Frequency
Required Semi-Annual Sampling Wells, continued
MW-18 (Class
III)
Thallium (ug/l)
Sulfate (mg/L)
Field pH (S.U.)
TDS (mg/L)
1.95
1938.9
6.25-8.5
3198.77
NS
NA
NA
NA
NA
NS
NA
NA
NA
NA
2/19/2014
2.77
6.16
3080
Semi-Annua
Semi-Annua
Semi-Annua
Field pH (S.U.) 6.78-8.5 NA NA 6.29
MW-19 (Class
HI) Gross Alpha minus Rn &
U(pCi/L) 2.36 NS NA NS NA 2/18/2014 <1.0
Nitrate + Nitrite (as N)
(mg/L) 2.83 NA NA 3.82
Semi-Annua
Semi-Annua
MW-23 (Class
UI)
Field pH(S.U.) 6.5 - 8.5
Manganese (ug/L)
NS NA NS NA
550 NA NA 3/5/2014 6.52
31.5
Semi-Annua
Semi-Annua
Cadmium (ug/L) NA NA 5.92
MW-24 (Class
III)
Fluoride (mg/L) 0.36 NA NA 0.234
Thallium (ug/L) NS NA NS NA 3/6/2014 1.85
Field pH (S.U.) 6.5-NA NA 5.89
Semi-Annua
Semi-Annua
Semi-Annua
Nitrate + Nitrite (as N)
(mg/L) 5.6 NA NA 7.98
MW-27 (Class
III)
Chloride (mg/L) 38 NA 47.0
Sulfate (mg/L) 462
TDS (mg/L) 1075 NS NA NS NA 2/25/2014 411
1040
Gross Alpha minus Rn &
U(pCi/L) NA NA 1.08
Semi-Annua
Semi-Annua
Semi-Annua
Chloride (mg/L) 105 NA 113
MW-28 (Class
III)
Manganese (ug/I.) 1837 NS NS 2/26/2014 1650
Field pH (S.U.) 6.1 NA NA 6.01
Semi-Annua
Semi-Annua
Semi-Annua
Manganese (ug/L) 5624 NA NA 5170
MW-29 (Class
HI)
TDS (mg/L) 4400 NA NA 4500
NS NS 2/25/2014
Field pFHS.U.: 6.46 - 8.5 NA NA 6.78
Semi-Annua
Semi-Annual
Semi-Annua
MW-32 (Class
III)
Gross Alpha minus Rn &
U (pCi/L) 3.33 NA NA 1.94
NS NS 2/11/2014
Field pH (S.U.) 6.4 - 8.5 NA NA 6.15
Semi-Annua
Semi-Annua
Notes:
GWCL values are taken from August 24, 2012 version of GWDP.
NS = Not Required and Not Sampled
NR = Required and Not Reported
NA = Not Applicable
Exceedances are shown in yellow
Values in () parentheses are the field pH measurements for the resampled analyses.
* Data are reported from the 6/5/13 chlorofrm program sample.
Pursuant to the DRC letter of March 10, 2014, these constituents will no longer be monitored
on an accelerated schedule. These constituents will be dropped from this report after this