DRC-2012-001210 - 0901a068802b7346

State of Utah
GARY R HERBERT
Governor
GREG BELL
Lieutenant Governor
Department of
Environmental Quality
Amanda Srmth
Executive Director
DIVISION OF RADL\TION CONTROL
Rusty Lundberg
Director
C-2012-001210
TO
FROM
DATE
SUBJECT
MEMORANDUM
PhilGoble ^/'^f^
Dean Henderson
February 16 2012
RevieW of the 2011 Annual Seep and Spnngs Sampling Report
for the Denison Mines (USA) Corp
White Mesa Uranium Mill near Blandmg Utah
On November 23 2011 the Division of Radiation Control (hereafter DRC ) received 2011 Annual Seep
and Spnngs Sampling Report (hereafter Report ) for the Denison Mines (USA) Corp (hereafter
DUSA ) White Mesa Uranium Mill (hereafter Mill ) near Blanding Utah For the review of this Report
the following regulatory enforcement documents will be used
• White Mesa Uranium Mill Ground Water Quality Assurance Plan (hereafter QAP )
Revision 6 0 dated Apnl 20 2010 v
• Groundwater Discharge Permit No UGW370004 (hereafter Perrmt ) Permit version that was
signed by on February 15 2001
• Sampling Plan for Seeps and Spnngs In the Vicinity of the White Mesa Uranium Mill Revision 0
(hereafter Plan )
Summary of Compliance
On May 31 2011 DUSA collected seeps and spnngs samples and failed to notify DRC m advance of this
sampling event therefore DRC staff was not present to collect split samples This is m violation of
Section 3 0 of the Plan which states
DUSA will provide at least 15 days notice of site visits for sampling purposes during
periods of time when actively flowing locations are likely in order to allow the Executive
Secretary to collect split water quality samples of the seeps and springs
DUSA notified DRC of the inadvertent omission of the notification and DRC requested that DUSA
resample the seeps and spnngs locations to allow DRC to observe and collect a split sample On June 28
2011 DUSA responded with a notification to DRC that they would resample the seeps and springs on July
13 2011 On July 13 2011 DUSA did resample and DRC was there and collected a split sample at
Entrance Spnng
195 Nortti 1950 West Salt Lake City UT
Mailing Address PO Box 144850 SaltLakeCity UT 84114 4850
Telephone [phone] Fax [phone] TDD [phone]
H'H'W d t] I h g
Pr t d 100% y 1 dp pe
Page 2
Even though DUSA failed to give DRC a 15 day advanced notice prior to the annual seeps and spnngs
sampling event as required in Section 3 0 of the Plan they did resample as requested by DRC Therefore
DRC staff believes that enforcement discretion is appropnate in this matter and no enforcement action is
recommended It appears that in the remainder of the Report DUSA was m compliance with the QAP
Permit and Plan which included sampling locations sample collection methodology analysis of required
parameters QA/QC and reporting
Split Samphng of Entrance Spring
As stated above on July 13 2011 the DRC collected a split sample of Entrance Spring with DUSA DRC
also collected a duplicate sample of Entrance Spnng which is identified as Spnng 1 On July 14 2011 both
samples were shipped to LionviUe Laboratory by UPS m two coolers One cooler was shipped next day air
that earned portions of the samples in containers packed m ice to be analyzed for the non radiologics listed
m Table 1 of Section 8 2 of the QAP The other cooler was shipped by ground that had portions of the
samples in containers to be analyzed for gross alpha The cooler shipped by air apparently had a hazardous
waste label from a previous shipment and UPS staff opened the cooler to check its contents The cooler
was shipped back to DRC with the ice completely melted and samples had exceeded their holding times
and therefore they were not resent for analysis The cooler with the samples to be analyzed for gross alpha
did nch Lionville Laboratory and the results can be seen on Table 6 below In the future to help prevent
shippers from opening coolers all unnecessary labeling will be removed from coolers prior to shipping
Mill Operations Impact on the Seeps and Springs
The analytical results for the 2011 Seeps and Spnngs Monitonng Event are summanzed m tables 1 through
6 in Attachment 1 below
Westwater Spnng had concentrations of arsenic beryllium cadmium copper lead nickel vanadium and
zinc which have not been reported in 2009 or 2010 In addition lead had a concentration of 41 3jLig/l that
exceeded its Utah Ground Water Quality Standard (GWQS) [15^g/l] DUSA explained in the Report
These detections are also most likely present due to leaching from the surrounding soils and the soils the
water contacted during the sampling while waiting for the excavation to fill DRC feels that this
response is reasonable Typically this spnng is sampled from a small excavated hole and at this time it is
reasonable to consider that the local soils could affect the water chemistry A previous example may be
seen from histonc uranium concentrations from this spring As seen m the histonc Westwater Spnng
concentration in Table 5 below the uranium concentration m 2010 (46 6 /ig/1) exceeded its GWQS (30
/ig/1) yet uranium concentrations in 2009 (15 1 /xg/l) and 2011(6 64 jLig/1) were below its GWQS DRC
staff IS confortable in waiting for the 2012 Westwater Spnng sample results before determining if the metal
concentrations are being impacted by the Mill operations
Currently based on the analytical results for the 2011 and all other previous seeps and spnngs sampling
events it appears that the Mill at this time has not adversely impacted Entrance Spring Cottonwood
Spnng and Rum Spnng
Page 3
References
Denison Mines (USA) Corp March 2009 Sampling Plan for Seeps and Spnngs In the Vicinity of the
White Mesa Uranium Mill Revision 0
Denison Mines (USA) Corp February 22 2010 White Mesa Uranium Mill Ground Water
Quality Assurance Plan Revision 5 0
State of Utah Division of Water Quality Department of Environmental Quality Utah Water
Quality Board Salt Lake City Utah March 17 2008 Groundwater Discharge Pennit No UGW370004
Permit version signed by on March 17 2008
Page 4
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Attachment 1
Tables 1 through 6
jj
Table 1
Summary of Seeps and Springs Analytical Data 2011
Contaminant GWCL
Cottonwood Canyon
Spring Enterance Spring Ruin Springs Westwater
Spring
Parameters Listed in Table 2 5/31/2011 1 7/13/2011 5/31/2011 7/13/2011 5/31/2011 I 7/13/2011 5/31/2011
Nutrients (mg/L)
Ammonia (as N) 25 <0 05 <0 05 <0 05 0 32 <0 05 <0 05 0 06
Nitrate + Nitrite (as N) 10 0 1 <0 1 1 4 05 1 7 1 6 <0 1
Heavy Metals (/#g/L)
Arsenic 50 <5 <5 <5 <5 <5 <5 123
Beryllium 4 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 0 91
Cadmium 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 09
Chromium 100 <25 <25 <25 <25 <25 <25 <25
Cobalt 730 <10 <10 <10 <10 <10 <10 <10
Copper 1 300 <10 <10 <10 <10 <10 <10 16
iron 11 000 53 <30 37 55 <30 <30 4 540
Lead 15 <1 <1 <1 <1 <1 <1 41 4
Manganese 800 <10 <10 47 84 <10 <10 268
Mercury 2 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5
Molybdenum 40 <10 <10 <10 <10 16 17 <10
Nickel 100 <20 <20 <20 <20 <20 <20 29
Selenium 50 <5 <5 13 1 55 11 8 10 2 <5
Silver 100 <10 <10 <10 <10 <10 <10 <10
Thallium 2 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5 <0 5
Tin 17 000 <100 <100 <100 <100 <100 <100 <100
Uranium 30 7 87 8 68 188 153 9 35 8 63 6 64
Vanadium 60 <15 <15 <15 <15 <15 <15 34
Zinc 5 000 <10 <10 <10 <10 10 <10 28
Radiologics (pCi/L)
Gross Alpha 15|0 1+/0 2 0 1+/0 4 I15+/0 3 1 6+/ 0 7 1 0 03+/ 0 1 0 05+/0 5 I0 5+/0 2
VOC (//g/L)
Acetone 700 <20 <20 <20 <20 <20 <20 <20
Benzene 5 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0
2 Butanone (MEK) 4 000 <20 <20 <20 <20 <20 <20 <20
Carbon Tetrachlonde 5 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0
Chloroform 70 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0
Chloromethane 30 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0
Dichloromethane 5 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0
Naphthalene 100 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0
^Tetrahydrofuran (THF) 46 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0
Toluene 1 000 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0
Xylenes (total) 10 000 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0 <1 0
Others
Field pH (S U ) 65 85 7 55 8 04 7 96 8 17 7 66 8 14 72
Fluonde (mg/L) 4 0 34 0 38 0 58 0 58 0 45 05 0 54
Chlonde (mg/L) NG 113 134 49 64 25 44 21
Sulfate (mg/L) NG 394 389 166 171 486 484 354
TDS (mg/L) NG 1030 978 571 582 942 905 853
General Inorganics Listed in Part 1 E 1 (C)(2)(ii)
Carbonate (mg/L) NG <1 0 6 <1 7 <1 1 <1
Bicarbonate (mg/L) NG 330 316 270 299 241 239 371
Sodium (mg/L) NG 229 227 62 5 68 6 110 111 112
Potassium (mg/L) NG 6 59 26 29 32 33 39
Magnesium (mg/L) NG 25 2 25 2 26 4 28 4 30 6 31 1 34 7
Calcium (mg/L) NG 95 4 94 2 88 8 96 6 145 148 247
Total anions (meq/L) NG 168 173 94 105 149 154 141
Total cations (meq/L) NG 17 168 9 39 102 146 149 20 1
NG No GWCL
Stiaded = e ceeded GWCL
Table 2
Contaminant GWCL Sampling Event
Parameters Listed m Table 2 ^ 7/25/1977 Ml/10/1977 7/9/2009 July 7 2010 5/31/2011 7/13/2011
Nutrients (mg/L )
Ammonia (as N) 25 013 <01 <0 05 <0 05 <0 05 <0 05
Nitrate + Nitrite (as N) 10 0 06 0 26 0 1 <0 1 01 <01
Heavy Metals (//g/L)
Arsenic 50 ^<10 NA <0 05 <5 <5 <5
Beryllium 4 NA NA 0 1 <0 5 <0 5 <0 5
Cadmium 5 ^4 '2 <0 5 <0 5 <0 5 <0 5
Chromium 100 ^20 ^<10 <25 <25 <25 <25
Cobalt 730 NA NA <10 <10 <10 <10
Copper 1 300 ^5 ^<5 <10 <10 <10 <10
Iron 11 000 3 200 110 <30 <30 53 <30
Lead 15 •^30 '^<50 <1 <1 <1 <1
Manganese 800 1100 60 <10 <10 <10 <10
Mercury 2 '2 <0 5 <0 5 <0 5 <0 5
Molybdenum 40 <10 NA <10 <10 <10 <10
Nickel 100 NA NA <20 <20 <20 <20
Selenium 50 140 NA <5 <5 <5 <5
Silver 100 4 NA <10 <10 <10 <10
Thallium 2 NA NA <0 5 <0 5 <0 5 <0 5
Tin 17 000 NA NA <100 <100 <100 <100
Uranium 30 4 NA 8 42 8 24 7 87 8 68
Vanadium 60 6 <10 <15 <15 <15 <15
Zinc 5 000 60 150 <10 <10 <10 <10
Radiologics (pCi/L)
Gross Alpha 15 10 2±31 NA 0 3+/ 0 5 0 5+/ 0 4 0 1+/0 2 0 1+/0 4
VOC (//g/L)
Acetone 700 NA NA <20 <20 <20 <20
Benzene 5 NA NA <1 0 <1 0 <1 0 <1 0
2 Butanone (MEK) 4 000 NA NA <20 <20 <20 <20
Carbon Tetrachlonde 5 NA NA <1 0 <1 0 <1 0 <1 0
Chloroform 70 NA NA <1 0 <1 0 <1 0 <1 0
Chloromethane 30 NA NA <1 0 <1 0 <1 0 <1 0
Dichloromethane 5 NA NA <1 0 <1 0 <1 0 <1 0
Naphthalene 100 NA NA <1 0 <1 0 <1 0 <1 0
Tetrahydrofuran (THF) 46 NA NA <1 0 ^<10 <1 0 <1 0
Toluene 1 000 NA NA <1 0 <1 0 <1 0 <1 0
Xylenes (total) 10 000 NA NA <1 0 <1 0 <1 0 <1 0
Others
Field pH (S U ) 65 85 70 8 1 73 7 47 7 55 8 04
Fluonde (mg/L) 4 1 05 04 0 38 0 34 0 38
Chlonde (mg/L) NG 1 71 124 112 113 134
Sulfate (mg/L) NG 333 243 383 389 394 389
TDS (mg/L) NG 1270 780 1 010 900 1030 978
General Inorganics Listed in Part 1 E 1 (c)(2)(ii)
Carbonate (mg/L) NG 0 0 <1 <1 <1 0 6
Bicarbonate (mg/L) NG NA NA 316 340 330 316
Sodium (mg/L) NG 400 115 205 214 229 227
Potassium (mg/L) NG 66 43 57 5 77 6 5 9
Magnesium (mg/L) NG 19 28 25 24 8 25 2 25 2
Calcium (mg/L) NG 58 133 90 3 92 2 95 4 94 2
Total anions (meq/L) NG NA NA 167 22 3 168 173
Total cations (meq/L) NG NA NA 156 21 8 17 168
1 Dames and Moore January 30 1978
2 THF sampled on November 3 2010
NG = No GWCL
T = indicates metals analyzed as totals
Environmental Report Wtiite Mesa Uraium Project San Juan County Utah Energy Fuels Inc
Table 3
Contaminant GWCL Monitoring Events
Parameters Listed in Table 2 7/9/2009 7/6/2010 5/31/2011 7/13/2011
Nutrients (mg/L)
Ammonia (as N) 25 0 28 <0 05 <0 05 0 32
Nitrate + Nitrite (as N) 10 1 4 1 1 4 05
Heavy Metals (//g/L)
Arsenic 50 <5 <5 <5 <5
Beryllium 4 <0 5 <0 5 <0 5 <0 5
Cadmium 5 <0 5 <0 5 <0 5 <0 5
Chromium 100 <25 <25 <25 <25
Cobalt 730 <10 <10 <10 <10
Copper 1 300 <10 <10 <10 <10
Iron 11 000 <30 <30 37 55
Lead 15 <1 <1 <1 <1
Manganese 800 54 11 47 84
Mercury 2 <0 5 <0 5 <0 5 <0 5
Molybdenum 40 <10 <10 <10 <10
Nickel 100 <20 <20 <20 <20
Selenium ^ 50 12 1 92 13 1 55
Silver 100 <10 <10 <10 <10
Thallium 2 <0 5 <0 5 <0 5 <0 5
Tin 17 000 <100 <100 <100 <100
Uranium 30 152 178 188 153
Vanadium 60 <15 <15 <15 <15
Zinc 5 000 <10 <10 <10 <10
Radiologics (pCi/L)
Gross Alpha 15 0 9+/0 6 5+/0 4 1 5+/ 0 3 1 6+/ 0 7
VOC ifjglL)
Acetone 700 <20 <20 <20 <20
Benzene 5 <1 0 <1 0 <1 0 <1 0
2 Butanone (MEK) 4 000 <20 <20 <20 <20
Carbon Tetrachlonde 5 <1 0 <1 0 <1 0 <1 0
Chloroform 70 <1 0 <1 0 <1 0 <1 0
Chloromethane 30 <1 0 <1 0 <1 0 <1 0
Dichloromethane 5 <1 0 <1 0 <1 0 <1 0
Naphthalene 100 <1 0 <1 0 <1 0 <1 0
Tetrahydrofuran (THF) 46 <1 0 ^<10 <1 0 <1 0
Toluene 1 000 <1 0 <1 0 <1 0 <1 0
Xylenes (total) 10 000 <1 0 <1 0 <1 0 <1 0
Others
Field pH (S U ) 65 85 7 64 7 56 7 96 8 17
Fluoride (mg/L) 4 07 0 73 0 58 0 58
Chlonde (mg/L) NG 60 63 49 64
Sulfate (mg/L) NG 178 179 166 171
TDS (mg/L) NG 605 661 571 582
General Inorganics Listed in Part 1 E 1 (c)(2)(ii)
Carbonate (mg/L) NG <1 <1 <1 7
Bicarbonate (mg/L) NG 292 332 270 299
Sodium (mg/L) NG 61 4 62 7 62 5 68 6
Potassium (mg/L) NG 24 2 74 26 29
Magnesium (mg/L) NG 26 6 28 9 26 4 28 4
Calcium (mg/L) NG 90 8 96 5 88 8 96 6
Total anions (meq/L) NG 103 103 94 105
Total cations (meq/L) NG 9 47 9 47 9 39 102
NG = No GWCL
1 THF sampled on November 3 2010
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Table 5
Contaminant GWCL Monitoring Event
Parameters Listed in Table 2 11/18/2009 7/8/2010 5/31/2011
Nutrients (mg/L)
Ammonia (as N) 25 <0 05 0 05 0 06
Nitrate + Nitnte (as N) 10 08 <0 1 <0 1
Heavy Metals (A/g/L)
Arsenic 50 <5 <5 123
Beryllium 4 <0 5 <0 5 0 91
Cadmium 5 <0 5 <0 5 0 9
Chromium 100 <25 <25 <25
Cobalt 730 <10 <10 <10
Copper 1 300 <10 <10 16
Iron 11 000 <30 56 4 540
Lead 15 <1 <1 41 4
Manganese 800 37 87 268
Mercury 2 <0 5 <0 5 <0 5
Molybdenum 40 <10 29 <10
Nickel 100 <20 <20 29
Selenium 50 <5 <5 <5
Silver 100 <10 <10 <10
Thallium 2 <0 5 <0 5 <0 5
Tin 17 000 <100 <100 <100
Uranium 30 15 1 46 6 6 64
Vanadium 60 <15 <15 34
Zinc 5 000 <10 <10 26
Radiologics (pCi/L)
Gross Alpha 15 0 3+/0 2 0 3+/ 0 3 0 5+/ 0 2
VOC (A#g/L)
Acetone 700 <20 <20 <20
Benzene 5 <1 0 <1 0 <1 0
2 Butanone (MEK) 4 000 <20 <20 <20
Carbon Tetrachlonde 5 <1 0 <1 0 <1 0
Chloroform 70 <1 0 <1 0 <1 0
Chloromethane 30 <1 0 <1 0 <1 0
Dichloromethane 5 <1 0 <1 0 <1 0
Naphthalene 100 <1 0 <1 0 <1 0
Tetrahydrofuran (THF) 46 <1 0 ^<10 <1 0
Toluene 1 000 <1 0 <1 0 <1 0
Xylenes (total) 10 000 <1 0 <1 0 <1 0
Others
Field pH (S U ) 65 85 8 01 7 38 72
Fluonde (mg/L) 4 07 06 0 54
Chlonde (mg/L) NG 41 40 21
Sulfate (mg/L) NG 646 607 354
TDS (mq/L) NG 1 370 1 270 853
General Inorganics Listed m Part 1 E 1 (c (2)(ii)
Carbonate (mg/L) NG <5 <1 <1
Bicarbonate (mg/L) NG 465 450 371
Sodium (mg/L) NG 195 160 112
Potassium (mg/L) NG 24 6 57 39
Magnesium (mg/L) NG 26 6 44 7 34 7
Calcium (mg/L) NG 191 179 247
Total anions (meq/L) NG 22 3 22 3 14 1
Total cations (meq/L) NG 21 8 21 8 20 1
1 THF sampled on November 3 2010
NG = No GWQS
Shaded = exceeded GWCL
Table 6
Duplicate QA/QC Samples
DUSA s sample of Back Spring
DRC s sample of EnteranceSpring (duplicate sample of
Contaminant Enterance Spring RPD Ruin Spring Rum Spnng) RPD
Parameters Listed in Table 2 GWCL July 13 2011 July 13 2011
Nutrients (mg/L)
Ammonia (as N) 25 <0 05 <0 05 NC
Nitrate + Nitrite (as N) 10 1 7 1 7 0 00
Heavy Metals {jjg/L)
Arsenic 50 <5 <5 NC
Beryllium 4 <0 5 <0 5 NC
Cadmium 5 <0 5 <0 5 NC
Chromium ICQ <25 <25 NC
Cobalt 730 <10 <10 NC
Copper 1 300 <10 <10 NC
Iron 11 000 <30 <30 NC
Lead 15 <1 <1 NC
Manganese 800 <10 <10 NC
Mercury 2 <0 5 <0 5 NC
Molybdenum 40 16 16 0 00
Nickel 100 <20 <20 NC
Selenium 50 11 8 124 4 96
Silver 100 <10 <10 NC
Thallium 2 <0 5 <0 5 NC
Tin 17 000 <100 <100 NC
Uranium 30 9 35 9 17 1 94
Vanadium 60 <15 <15 NC
Zinc 5 000 10 <10 NC
Radiologics (pCi/L)
Gross Alpha 15|8 8+/ 3 2 1 6+/ 0 7 22 0 03+/ 0 1 0 03+/ 0 2 03
VOC Ot#g/L)
Acetone 700 <20 <20 NC
Benzene 5 <1 0 <1 0 NC
2 Butanone (MEK) 4 000 <20 <20 NC
Carbon Tetrachlonde 5 <1 0 <1 0 NC
Chloroform 70 <1 0 <1 0 NC
Chloromethane 30 <1 0 <1 0 NC
Dichloromethane 5 <1 0 <1 0 NC
Naphthalene 100 <1 0 <1 0 NC
Tetrahydrofuran (THF) 46 <1 0 <1 0 NC
Toluene 1 000 <1 0 <1 0 NC
Xylenes (total) 10 000 <1 0 <1 0 NC
Others
Field pH (S U ) 65 85 7 66 7 69 0 39
Fluoride (mg/L) 4 0 45 0 45 0 00
Chlonde (mg/L) NG 25 18 32 56
Sulfate (mg/L) NG 486 484 041
TDS (mg/L) NG 942 943 Oil
General Inorganics Listed in Part i E 1 (c)(2)(ii)
Carbonate (mg/L) NG <1 <1 NC
Bicarbonate (mg/L) NG 241 245 1 65
Sodium (mg/L) NG 110 109 091
Potassium (mg/L) NG 32 32 0 00
Magnesium (mg/L) NG 30 6 30 3 0 99
Calcium (mg/L) NG 145 145 0 00
NA = Not Analyzed
NG = No GWCL
RPD = Relative Percent Difference
NC = RPD no calculated because one or more of ttie concentration were below laboratory detiction limits