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DRC-2013-003619 - 0901a068803e0312
Department of Environmental Quality Amanda Smith Executive Director DRC-2013-003619 State of Utah GARY R HERBERT Governor DIVISION OF RADIATION CONTROL Rusty Lundberg Director SPENCER J COX Lieutenant Governor MEMORANDUM TO: Phil Goble FROM: Dean Henderson DATE: December 5, 2013 SUBJECT: Review of the 2013 Annual Tailings Cells Wastewater Sampling Reports for the Energy Fuels Resources (USA), Inc White Mesa Uranium Mill, near Blanding, Utah This is a review of the 2013 Annual Tailings Cells Wastewater Sampling Report dated November 5, 2013 ("Report") for the Energy Fuels Resources (USA), Inc. ("EFR") White Mesa Uranium Mill, near Blanding, Utah ("Mill"). For the review of the 2013 Report the following enforcement documents were used: • White Mesa Uranium Mill Ground Water Quality Assurance Plan ("QAP"). Revision 7.1, dated May 25, 2012. Groundwater Discharge Permit No. UGW370004 ("Permit"). Permit version that was signed on August 24, 2012. • Utah Department of Environmental Quality Division of Radiation Control Guidance for Groundwater Split Sample Collection at Uranium Mill Operations, August 7, 2007. • Tailings and slimes Drain Sampling Program (hereafter "Plan") Revision 2.1 dated July 30,2012. Summary of Compliance EFR informed the Utah Division of Radiation Control ("DRC") in a letter dated July 2,2013, that EFR would be sampling the tailings cell wastewater on August 13,2013. The letter from EFR provided a 30 day notice prior to sampling as required in Part I.E. 10(d)(6) of the Permit. Part I.E. 10(d) of the Permit requires EFR to annually sample the tailings cells waste water in August each year therefore the August 13, 2013 sampling date meets this requirement. Section 6 of the Plan requires the Report toj be submitted to DRC on or before December 1, of each year. The Report was received by DRC on November 5,2013, which met the Plan 195 North 1950 West • Salt Lake City, UT Mailing Address P O Box 144850 • Salt Lake City, UT 84114-4850 Telephone(801)536-4250 • Fax (801-533-4097-TDD (801) 536-4414 www deq utah gov Printed on 100% recycled paper Page 2 requirement. EFR collected tailing cell wastewater samples from Tailings Cells 1,3,4A, and 4B, and Tailings Cell 2 Slimes Drain, and Tailings Cells 4A and 4B Leak Detection Systems ("LDS"). The LDS for Tailings Cells 1,2, and 3 were dry and not sampled. DRC staff Dean Henderson collected a split sample of Tailings Cell 1 and also witnessed EFR staff sample all the other wastewater sample locations (see photographs in figures 1-9 in Attachment 2). EFR sampled all available tailing cell wastewater sample locations as required in Part I.E. 10 of the Permit. The following meet the requirements in Part I.E. 10 of the Permit: • Approved analytical methods. • Parameter holding times. • Laboratory receipt Parameter Temperature. • Certified Laboratory. • Analyzed for parameters required in Part I.E. 10(d)(1) of Permit. • Collected duplicate sample. The Report met all of the following reporting requirements in Section 6 of the Plan: 1) Description of sampling methodology, equipment and decontamination procedures identify all quality assurance samples, e g trip blanks, equipment, blanks, duplicate samples. 2) Analytical data interpretation for each tailing cell, slimes drain, and leak detection system sample. 3) Written summary and conclusions of analytical results, 4) Table summarizing historic analytical results, 5) QA evaluation. 6) All field data sheets accompanying the sampling event. 7) Copies of the laboratory reports. 8) Tailings and Slime Drains System Sample Locations Map. Duplicate Sample Comparison Comparisons of duplicate samples analytical results are summarized in Table 6 Attachment 1 below. To determine if samples results between two samples from the same laboratory are comparable a relative percent difference ("RPD") of 20% is acceptable (DRC 2007). To determine if samples results between two samples from two different laboratories are comparable a RPD of 30% is acceptable (DRC 2007). The DRC collected a duplicate sample of Tailings Cell 1 with EFR. The DRC collected a duplicate of this location and identified it as "Cell 6". The RPD comparisons between the analytical results were below 20% with the exception of acetone (49.3%). Because the remainder analytical results comparisons between the two samples had RPD <20%, DRC staff feels these RPD exceedance is not a concern and the analytical results between the two samples are comparable. EFR collected a duplicate of Tailings Cell 4A LDS and identified it as "Cell 65". The RPD comparisons between the analytical results were below 20% with the exception of Page 3 fluoride (36.6%) and sulfate (29.6%). Because the remainder analytical results comparisons between the two samples had RPD <20% DRC staff feels the two RPD exceedances is not a concern and the analytical results between the two samples are comparable. The RPD comparison between the analytical results for DRC Tailing Cell 1 sample and EFR Tailing Cell 1 were below 30% with the exception of ammonia (112.8%), acetone (45%), chloroform (60.1%), fluoride (31.7%) and calcium (47.5%). The purpose for annual monitoring of the tailings cells wastewater at the Mill is to inventory the contaminants and their concentrations. Therefore, even though duplicate sample shows that the above 5 parameters exceeded the RPD of 30% the purpose for annual monitoring the tailing cells wastewater was accomplished and no action is recommended. 2013 Mill Operations Impact on the Wastewater in Tailings Cells The analytical results for the 2013 Tailings Cells Wastewater Monitoring Event are summarized in tables 1 through 5 in Attachment 1 below. Based on the tailings cells wastewater sampling analytical results all concentrations for the 2013 tailing cell wastewater monitoring event appear to have relatively similar concentrations to historic monitoring events. Therefore, the addition of wastewater to the tailings cells in 2013 appears not had impacted historic wastewater concentrations in the tailing cells. Conclusion on Report Based on DRC staff observation of EFR staff performing the sampling and monitoring on August 13, 2012 and after the DRC review of the Report, it appears that EFR appropriately followed the requirements in the Permit, QAP and Plan and no further action is required of EFR. Attachment 1 Tables 1-6 Attachment 1 Tables 1-6 Table 1 Historic Analytical Data for Wastewater in Cell 1 Parameter GWQS Cell! 1987 2003 I 2007 | 2008 I 2009 I 2010 2011 2012 2013 Nutrients (mg/L) Ammonia (as N) Nitrate & Nitrite (as N) 7800 <100 3308 41 8 10628 269 4 5250 64 9 15,200 142 8,120 58 12,900 212 9,750 556 3,900 128 Heavy Metals (Mfl/L) Arsenic Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese Mercury Molybdenum Nickel Selenium Silver Thallium Tin Uranium Vanadium Zinc 50 4 5 100 730 1,300 11,000 15 800 2 40 100 50 100 2 17,000 30 60 5,000 440,000 <2000 6,600 13,000 12,000 740,000 3,400,000 <2000 140,000 NA 240,000 370,000 <2000 <5000 450,000 <5000 105,000 280,000 13,000,000 NA NA NA NA NA 121,267 475 3,997 6,365 NA 196,667 !,420,000 3,289 162,167 5,055 3,695 2,028 134,517 348,000 ND 849,000 2,262 29,320 29,940 88,240 881,000 ,348,000 27,420 990.200 415,600 40,860 15,420 1,559 408 6,512 788,600 1,208,200 642.940 ND 271,000 500 8,790 6,760 23,500 360,000 3,280,000 11.200 206.000 106,000 320,000 13,000 449 165 1,240 416,000 1,200,000 476,000 436,000 410 9,120 18,700 97,500 " 168,000 2,390,000 10,600 723,000 7 61 142,000 156,000 14,800 558 387 2,290 578,000 773,000 229,000 74,400 338 2,940 5,620 16,200 125,000 3,400,000 9,240 173,000 7 20 35,300 27,500 5,220 155 193 263 159,000 752,000 171,000 299,000 1,270 13,700 22,700 56,000 483,000 8.940,000 23,600 735,000 61 40 235,000 43,700 11,600 1,110 560 1,500 838,000 2,500,000 398,000 25,500 3,180 307,000 12,100 53,100 885,000 840,000 17,000 1,560,000 117 434,000 15,000 8,090 4,310 13 <100 1,450,000 1,940,000 811.000 9,800 415 2,380 8,350 25,500 544,000 1,420,000 2,810 188,000 62 16,800 39,100 2,690 329 63 <0 1 140,000 98,000 228.000 Volatile Organic Compounds (pg/L) Acetone Benzene 2-Butanone (MEK) Carbon Tetrachlonde Chloroform Chloromethane Dichlormethane (Methylene Cnionde) Naphthalene Tetrahydrofuran Toluene Xvlenes (total) 700 5 4,000 5 70 30 5 100 46 1,000 10.000 35 <5 NA <5 NA <10000 NA <5 <5 11 0 NA NA NA NA NA NA NA NA NA NA NA ND ND ND ND ND <10 ND ND 66 5 67 150 0 ND ND ND ND ND <20 ND ND 110 66 94 710 120 16 11 2 1 1 <1 <10 <1 <1 260 65 49 44 54 <1 <20 <1 80 13 36 2 0 mm <10 <1 <1 310 200 2 30 <1 <20 <1 <1 41 1 76 Radiologics (pCi/L) Gross Alpha 15|NA I (2)365667| (2)29380| (2)2190o| 16500±60| 11300+/-82I 3610+/-14 4l2600+/-73 2 132700+/-386 Semi Volatile Organic Compounds (ug/L) Diethyl phthalate Bis(2-etvlhexyl)phthalate NA 170 ill. (D 27 (D ill (1) ilL (1) ill Others Lab pH (S U ) TDS (mg/L) Anions (meq/L) Cations (meq/L) 6 5-8 5 NS 07 120,000 1 88 62,000 NA NA 08 357,400 1 53 131,000 1 15 140,000 5,430 5.660 2 73 130,000 2,450 2.360 2 23 216,000 4,750 4.720 1 9 342,000 5,550 5.840 2 74 149,000 2,370 1,270 General Inorganics (mg/L) Carbonate as C03 NS <5 <1 ND ND <1 <1 <1 <1 Bicarbonate as HC03 NS <5 NA ND ND <1 <1 <1 <1 Calcium Chloride NS NS 630 8,000 307 6.728 484 604 635 37,340 3172 2L220 9,830 '" "6" 3 "eissio 20,700 04 '16,260 711 * ""7*446 28 4 "1/846 ""16,700 107,6o6 577 426 33,800 ""692 78,000 62 9 T&0D0 768 9,900 4130 4,470 6,580 15,900 100.000 FJ.yonde Cmg/L). 0 022 3008 Magnesium NS 7.900 5.988 14,300 "4.510 Potassium NS NA 647 5,698 62,600 287.600 1,880 " 13,200 118.000 4.140 ""39,066" 232.666 9,750 "4V00 '158.666 Sodium NS 10.000 8.638 29,500 182.666 Sulfate NS 190.000 63,667 1 Only detectable Semi Volatile Organic Compound(s) concentrations listed 2 No error term provieded Shaded where labontory detection limit above GWQS NA = Not analyzed ND = Below laboratory detection limit Note, the report did not include the detection limit NS = No Groundwater Quality Standard Table 2 Historic Analytical Data for Wasterwater in Cell 2 Slimes Drain Parameter Nutrients (mg/L) GWQS Cell 2 LDS 2009 2010 2007 | 2008 Slimes C2 2009 2010 | 2011 I 2012 2013 Ammonia (as N) Nitrate & Nitnte (as N) 0.7 2 4,020 30 9 3,620 20 3 3,240 38 3,620 126 2,940 38 3,540 27 Heavy Metals (ug/L) Arsenic Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese Mercury Molybdenum Nickel Selenium Silver Thallium Tin Uranium Vanadium Zinc 50 4 5 100 730 1,300 11,000 15 800 2 40 100 50 100 2 17,000 30 60 5,000 <5 <0 5 <25 <1.0 <0 5 <10 <100 33 314 59 208 1,810 21 948 79 0 9 83.8 22 4,220 <5 <0 5 <25 <10 1 1 <1 0 <20 <10 <0.5 <100 <15 12 0 37 0 395 0 05 130 94 79 6 78 0 26,900 298 5,500 2,750 46,500 106,000 2,770,000 566 117,000 ND 4,080 123,000 422 0 ND 361 ND 23,000 0 409,000 767,000 19,300 245 5,840 2,450 43,800 154,000 3,310,000 528 130,000 ND 3,190 122,000 647.0 ND 703 ND 29,200.0 463,000 750,000 14,200 271 5,510 2,230 38,700 170,000 3,230,000 403 160,000 <.5 <10 2,250 108,000 726 358 <100 29,900 536,000 582,000 <4 23,500 267 6,370 2,510 48,200 148,000 2,720,000 586 144,000 4,630 126,000 844 <10 470 <100 30,600 469,000 652,000 17,800 231 5,580 2,380 42,500 132,000 2,960,000 501 123,000 11.1 3,510 111,000 714 <10 371 <100 27,100 454,000 574,000 19,400 251 5,290 2,350 48,700 138,000 2,850,000 629 141,000 1 9 3,810 125,000 711 <10 338 <100 33,400 475,000 639,000 Volatile Organic Compounds (pg/L) Acetone Benzene 2-Butanone (MEK) Carbon Tetrachloride Chloroform Chloromethane Dichlormethane (Methylene Cnionde) Naphthalene Tetrahydrofuran Toluene Xylenes (total) 700 5 4,000 5 70 30 5 100 46 1,000 10,000 <20 <1 <20 <1 <1 <1 <1 <1 <100 <1 <1 <20 <1 <20 <1 <1 <1 <1 <1 <1 <1 6.13 ND ND ND ND 550 20 1.8 14 15 1.7 1.5 ND ND ND ND ND ND ND ND 410 17 7.5 <1 <1 <1 <100 <1 570 100 16 22 16 26 <1 <1 <1 <10 460 83 15 2 3 17 2.6 22 <1 <1 <1 <10 <1 0 690 130 20 2 13 3 600 100 16 3 12 32 2 2.0 Radiologics (pCi/L) 151 13 5±1 81 7.3+Z-2 6l 1.2901 1.5701 1580±18.61 1000+/-24 61 1230+/-8 41 1370+/-22 41 Gross Alpha (1). Semi Volatile Organic Compounds (ug/L) Phenol INA INA ilL 107 ill ill Others Field pH (S U.) TDS (mg/L) Anions (meq/L) Cations (meq/L) 6 .5-8.5 NS 66 6,750 109 105 7 36 5,210 318 84,300 NA NA 3 24 74,600 NA NA 3.11 84,100 1,580 1.430 3.39 79,900 1,430 1.370 318 80,200 1,430 1.380 3 83,800 1,320 1,470 General Inorganics (mg/L) Carbonate as C03 Bicarbonate as HC03 Calcium Chloride Fluoride Magnesium Potassium Sodium Sulfate NS NS NS NS NS NS NS NS <1 <01 168 711 1,750 596 22 412 2.700 <1 324 615 1,360 0.4 454 13 318 1.780 ND ND 572 3,700 33 4,100 636 4,050 60.600 ND ND ND 528 3,860 4,030 560 4,600 74.000 <1 <1 <01 508 2,750 3,750 689 4,410 72,200 496 3,510 24 3,790 620 4,770 63.700 474 3,110 2 1 3,640 636 4,590 64.200 462 3,830 1 32 3,760 611 4,380 58.300 1 Only detectable Semi Volatile Organic Compound(s) concentrations listed 2 No error term provieded NA = Not analyzed ND = Below laboratory detection limit Note, the report did not include the detection limit NS = No Groundwater Quality Standard Table 3 Historic Analytical Data for Wastewater In Cell 3 Parameter Nutrients (mg/L) GWQS Cell 3 1987 2003 2007 2008 | 2009 2010 2011 I 2012 | 2013 Ammonia (as N) Nitrate & Nitrite (as N) 139 <100 1,302 20 13,867 102 9,010 44 21,600 142 2,650 26 6,470 261 6,840 64 100 277 Heavy Metals (ug/L) Arsenic Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese Mercury' Molybdenum Nickel Selenium Silver Thallium Tin Uranium Vanadium Zinc 50 4 5 100 730 1,300 11,000 15 800 2 40 100 50 100 2 17,000 30 60 5.000 ,163, 2, 120 480 360, 2.100, NA 820, ND 52, 17, <2000 <2500 NA NA 118, 210, 590, 000 540 600 000 000 000 000 000 000 000 ooo 000 000 NA NA NA NA NA 32,867 430 2,125 3,742 87,333 .278.333 2,507 144,000 12,250 20,917 910 67,833 158,333 NA ND 256,500 913 9,260 14,883 82,783 505,000 k874,500 9.647 496,833 122,167 131,833 5,856 305 446 1,090 332,333 935,000 748,833 489,000 840 15,400 12,800 57,000 345,000 4.400.000 16,900 313,000 16 209,000 241,000 10,200 1,010 1,200 1,070 636,000 1,130,000 515,000 <5 905 <0 5 <25 <10 <10 5,970,000 <1 0 <10 <0 5 <20 <5 <10 <0 5 <100 <15 <10 14 3,590 52,900 206 1,960 3,360 13,000 89,000 1,460.000 17,200 101,000 I 21,300 23.800 3,080 101 190 155 180,000 692,000 134.000 263,000 1,570 12,200 22,800 76,000 768,000 10,200,000 16,700 587,000 309 96,200 75,800 6,900 792 518 325 458,000 2,370,000 726.000 4,340 678 3,460 10,900 76.100 379,000 3,400,000 1.860 3,110,000 96 790 150,000 2,460 1,850 1,080 <100 835,000 836,000 652.000 <100 66,000 2,570 24,000 30,600 99,700 954,000 9,700.000 14.400 2,470,000 21 0 56,100 122,000 7,060 3,308 694 1,200,000 3,220,000 1.430.000 Volatile Organic Compounds (ug/L) Acetone Benzene 2-Butanone (MEK) Carbon Tetrachlonde Chloroform Chloromethane Dichlormethane (Methylene Chloride) Naphthalene Tetrahydrofuran Toluene Xylenes (total) 700 5 4,000 5 70 30 5 100 46 1,000 10.000 <5 NA <5 NA <10000 NA <5 <5 28 10 NA NA NA NA NA NA NA NA NA NA NA 80 ND ND ND ND ND ND ND ND ND 150 ND ND ND ND ND <10 <20 ND ND 100 11 <1 <20 <1 <1 <1 <ido <1 <1 67 42 1 4 <1 <20 <1 <1 <10 <1 <1 37 26 1 8 21 <10 <1 <1 330 67 31 35 74 1 2 <1 <20 <1 64 159 24 5 21 26 Radiologics (pCI/L) Gross Alpha 15|NA I (2)101417| (2)16S33| (2)2170p| 17000±60 9l 4030-I-/-48 7ll1100+/-2911 1530+/-14 4| 81900+/-1220 '^Seml Volatile Organic Compounds (pg/L) Bis(2-etylhexyl)phthalate I 10 61 ill ill-ill. Others LabpH (SU) TDS (mg/L) Anions (meq/L) Cations (meq/L) 6 5-8 5 NS • 0 82 189,000 2 28 51,6331 NA NA 1 6 228,500 1 79 193,000 1 4 243,000 4,950 5.730 218 56,200 944 1,050 1 27 296,000 5,270 6.280 24 120,000 2,040 1,890 1 05 410,000 10,200 2.840 General Inorganics (mg/L) Carbonate as C03 Bicarbonate as HC03 Calcium Chloride Fluoride (mg/L) Magnesium Potassium Sodium Sulfate NS NS NS NS NS NS NS NS NA NA <100 NA 300 5,400 5,900 180.000 <1 NA 418 2,460 667 3,386 254 3,198 33,400 ND ND 887 15,965 42 8 15,767 6,657 25,583 173.667 ND ND 478 15,400 1 4 13,100 4,760 22,900 167.000 628 17,200 06 17,100 3.820 28,600 214.000 560 3,470 548 2,500 782 5,620 40.400 200 40,400 641 22,100 2,590 47,900 197.000 591 8,880 2300 5,680 1,190 6,660 80,000 586 38,400 12400 15,400 2,110 34,400 440,000 1 Only detectable Semi Volatile Organic Compound(s) concentrations listed 2 No error term provieded Shaded = laboratory detection limit exceeds the GWQS NA = Not analyzed NP = Below laboratory detection limit Note, the report did not include the detection limit NS = No Groundwater Quality Standard Table 4 Historic Analytical Data for Wastewater in Cell 4A Parameter Nutrients (mg/L) I GWQS Cell4A 2009 2010 | 2011 2012 2013 2009 2010 Cell 4A LPS i 2011 r 2012 | 2013 Ammonia (as N) Nitrate & Nitrite (as N) 3,140 28 5,230 52 4,930 44 1,540 27 1,340 382 4,480 69 2,290 183 3,480 94 1,320 15 1,010 29 Heavy Metals (pg/L) Arsenic Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese Mercury Molybdenum Nickel Selenium Silver Thallium Tin Uranium Vanadium Zinc 50 4 5 100 730 1,300 11,000 15 800 2 40 100 50 100 2 17,000 30 60 5,000 62,600 296 1,920 3,220 9,440 99,200 2.360.000 5,360 178,000 1 19 24,300 17,100 4,620 78 162 257 118,000 918,000 142,000 <4 109,000 . 215 3,670 7,500 26,500 168,000 2,920.000 11.800 209,000 43,800 40,900 5,810 193 350 378 217,000 1,090,000 224.000 86,600 323 2,190 5,900 22,500 181,000 3.390,000 11.000 131,000 152 24,200 43,500 4,460 216 410 319 153,000 730,000 286.000 60,500 167 844 5,990 22,900 433,000 3.190,000 5.270 112,000 24 58,200 41.300 1.310 127 250 169 91,000 237,000 200^000 73,700 247 1,450 5,220 22,900 540,000 2.620,000 11,500 143,000 08 25,500 43.300 2,080 144 256 118 112,000 461,000 183.000 133,000 536 4,010 9,140 37,300 222,000 3,940.000 5.270 389.000 266 49,200 43,900 5.250 204 252 504 284,000 1,150,000 298.000 54,000 295 2,650 3,890 15,200 116,000 1,420,000 3,400 157,000 62 23,900 23.900 2.820 62 194 180 145.000 518,000 152.000 74,700 367 3,160 5,940 21,700 150,000 2.530,000 4.520 207,000 147 29,300 29,600 3,780 127 290 119 168,000 770,000 204,000 44,100 180 921 3,930 22,300 481,000 2.460,000 2.300 95,200 07 10,200 35.000 1,260 44 332 <100 90.200 240,000 181.000 35,700 188 1,170 2,630 44,300 754,000 1,370,000 165 86,300 <0 5 <100 1,200 54.600 1,020 25 171 75.000 157,000 163.000 Volatile Organic Compounds (ug/L) Acetone Benzene 2-Butanone (MEK) Carbon Tetrachloride Chloroform Chloromethane Dichlormethane (Methylene Chloride) Naphthalene Tetrahydrofuran Toluene Xvlenes (total) 700 5 4,000 5 70 30 5 100 46 1,000 10.000 <1 <20 <1 <1 <100 <1 <1 60 1 8 <1 <20 <1 <1 <1 <10 <1 <1 55 <1 <20 <1 <1 <1 <10 <1 <1 100 25 <1 <20 <1 <1 <1 <1 <1 <1 <1 1 36 28 4 <1 <20 <1 <1 <1_ <1 <1 <1 <1 <1 240 78 140 130 50 158 120 82 102 117 <1 <20 <1 57 110 99 24 39 1 Radiologics (pCi/L) Gross Alpha 151 8910±44l 3400+/-45I 829Q+/-25 2|16300+/-£6 8| 15500+/-279I 7020*391I3230+/-43 1 I7440+/-23 8 I7440+/-23 8 I6930+/-172 (1|Seml Volatile Organic Compounds (pg/L) Phenol Bis(2-etylhexvl)phthalate (1) JiL (D 196 (D (1) (D JIL (D ill 33 <10 23 5 549 (D JIL (D 166 (D Others Lab pH (S U ) TDS (mg/L) Anions (meq/L) Cations (meq/L) 6 5-85 NS 1 4 81,400 1,540 1.490 1 99 107,000 2,030 2.030 1 73 108,000 5,730 2.010 1 2 76,000 1,490 1.350 1 47 90,000 1,860 653 1 98 117,000 2,140 2.180 2 53 56,900 1,020 1.060 2 32 93,800 1,790 1.740 210 55,400 904 934 2 32 49,700 709 297 General Inorganics (mg/L) Carbonate as C03 Bicarbonate as HCO, Calqum. Chloride fJ.ypnde Lmg/L).. Magnesium Potassium Sodium 627 4,650 03 598 7,350 21 6 598 5,870 30 6 591 4,980 43 668 4,530 1130 558 7,570 07 474 4,670 39 470 6,040 46 453 2,710 27 3,250 980 5.980J 4,940 1,440 11,300 4,720 1,450 11,400 267,006 2,230 558 7,130 64.900 3,660 773 6,860 83.366 6,390 1,960 12,600 92,400 3,240 934 6,700 41.700 5,100 1,500 11,000 77,466" 2,070 503 3,500 39.606 429 1,910 1,970 I716 305 2,930 31,466 Sulfate NS 67.600 87.100 1 Only detectable Semi Volatile Organic Compound(s) concentrations listed NA =^Not analyzed ND = Below laboratory detection limit Note, the report did not include the detection limit Table 5 Historic Analytical Data for Wastewater in Cell 4B Parameter Nutrients (mg/L) GWQS 2011 Cell 4B 2012 2013 2011 Cell 4B LPS 2012 2013 Ammonia (as N) Nitrate & Nitrite (as N) 25 10 5,220 39 5,580 42 2,060 51 4 4,260 30 4,090 31 1,010 28 9 Heavy Metals (ug/L.) Arsenic Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese Mercury Molybdenum Nickel Selenium Silver Thallium Tin Uranium Vanadium Zinc 50 4 5 100 730 1,300 11,000 15 800 2 40 100 50 100 2 17,000 30 60 5,000 67,400 311 1,990 6,860 17,800 193,000 2,960,000 9,960 128,000 13 7 21,400 33,900 4,670 137 237 196 133,000 660,000 191,000 80,000 356 2,540 8,280 29,300 340,000 3,580,000 11,600 148,000 26 27,600 50,500 4,470 169 368 215 171,000 783,000 270,000 65,400 334 4,900 6,390 21,300 340,000 2,830,000 9,820 154,000 1.5 26,100 35,100 3,900 137 243 163 110,000 163,000 184.000 54,200 274 1,670 6,250 15,600 176,000 2,450,000 6,060 118,000 12 3 16,700 30,700 3,710 111 179 332 111,000 518,000 172,000 41,200 271 1,740 5,930 19,000 181,000 2,120,000 4,420 162,000 30 15,000 33,700 2,880 117 175 <100 132,000 428,000 182,000 35,700 188 1,170 2,630 44,300 754,000 1,370,000 165 86,300 <0 5 <100 1,200 54,600 1,020 24 8 171 75,000 157,000 163,000 Volatile Organic Compounds (ug/L) Acetone Benzene 2-Butanone (MEK) Carbon Tetrachloride Chloroform Chloromethane Dichlormethane (Methylene Chloride) Naphthalene Tetrahydrofuran Toluene Xvlenes (total) 700 5 4,000 5 70 30 5 100 46 1,000 10,000 <1 <20 <1 <1 <1 <10 <1 <1 130 94 85 <1 <20 <1 94 11 1 <1 <20 <1 43 5 8.1 7.1 390 240 20 11 198 <1 <1 <1 <1 370 180 19 11 322 <1 <20 <1 <1 57 110 99 24 39 1 Radiologics (pCi/L) Gross Alpha 151 859Q+/-25 6|13600+/-73 81 14600+/-290|6000+/-21.4 I7500+/-55 5 l6930+/-'l72~ (1). Semi Volatile Organic Compounds (ug/L) Bis(2-etvlhexyl)phthalate I ill 19 ill ill (1) ill Others Lab pH (S U ) TDS (mg/L) Anions (meq/L) Cations (meq/L) 6 5-8.5 NS 1.87 93,800 3,020 1,810 1 5 128,000 2,700 2,280 1.65 108,000 2,170 491 2 23 85,800 1,350 1,500 2 40 90,200 2,260 1,520 1 28 49,700 709 297 General Inorganics (mg/L) Carbonate as C03 NS <1 <1 <1 <1 <1 <1 Bicarbonate as HCCs NS <1 <1 <1 <1 <1 <1 Calcium NS 570 580 662 486 456 429 1,910 1,970 Chloride NS 8.290 8,170 4,570 1050 3,560 3,630 28 4 "3,230 6,850 22 0 3,360 FJuondeimg/L) 26.7 23 3 Magnesjum NS 3,910 4.500 1,710 ""305 2[930 31.400 Potassium NS 1,370 1.650 1^110 3,150 98,100 1,130 8,240 59.900 1,060 " 8,080 99.100 Sodium NS 9,050 11,700 Sulfate NS 134,000 119.000 1 Only detectable Semi Volatile Organic Compound(s) concentrations listed Shaded = laboratory detection limit exceeds the GWQS NA = Not analyzed ND = Below laboratory detection limit Note, the report did not include the detection limit Table 6 Duplicate QA/QC Samples Contaminant Parameters Listed in Table 2 GWCL DRC Duplicate Sample Result Comparison of Tailing Cell 1 DRC's sample of Tailing Cell 1 Cell 6 DRC duplicate sample of Tailing Cell 1 August 13, 2013 RPD DRC and ES Split Sample Comparison of Tailing Cell 1 ES Cell 1 RPD comparing DRC Cell 4B and ES Cell 4B ES Duplicate Sample Result Comparison of Tailing Cell 4A LDS Cell 4B LDS Cell 65 duplicate sample of Cell 4B LDS August 13, 2013 Ammonia (as N) [mg/L] Nitrate + Nitnte (as N) fmg/Ll 14,000 100 15,000 100 -6 9 0 0 3,900 128 1128 -24 6 1,010 28 9 1010 27 8 Heavy Metals (pg/L) Arsenic Beryllium Cadmium Chromium Cobalt Copper Iron Lead Manganese Mercury Molybdenum Nickel Selenium Silver Thallium Tin Uranium Vanadium Zinc 50 4 5 100 730 1,300 11,000 15 800 2 40 100 501 100 2 17,000 30 60 5.000 12,000 560 2,800 10,000 33,000 650,000 1,500,000 3,200 240,000 63 20,000 48,000 3,000 380 67 13 170,000 120,000 290,000 12,000 600 3,000 11,000 34,000 690,000 1,500,000 3,400 250,000 63 21,000 52,000 3,100 370 74 16 180,000 120,000 300.000 00 -69 -69 -9 5 -3 0 -6 0 00 -6 1 -4 1 00 -49 -8 0 -3 3 NC NC -20 7 -5 7 00 -3 4 <01 9,800 415 2,380 8,350 25,500 544,000 1,420,000 2,810 188,000 6 16 16,800 39,100 2,690 329 63 140,000 98,000 228,000 20 2 29 7 16 2 180 25 6 17 8 55 13 0 24 3 22 174 20 4 10 9 NC 57 NC 19 4 20 2 23 9 <0 5 <100 35,700 188 1,170 2,630 44,300 754,000 .370,000 165 86,300 1,200 54,600 1.020 24 8 171 75,000 157,000 163.000 <0 5 <100 37,300 194 1,250 2,730 45,300 778,000 1,410,000 175 84,300 1,250 52,800 1,040 26 8 166 75,000 165,000 166.000 I 15I204.000+/-2000 I211.000+/-2310 Radiologics (pCi/L) Gross Alpha 2 3| 32.700+/-386H 99 4I6930+/-172 I5310+/-148 All Semi Volatile Organic Compounds below reporting limits VOC (pg/L) Acetone Benzene 2-Butanone (MEK) Carbon Tetrachloride Chloroform Chloromethane Dichloromethane Naphthalene Tetrahydrofuran (THF) Toluene Xylenes (total) '_ 700 5 4,000 5 70 30 5 100 46 1,000 10.000 26 4 1 35 43 39 34 1 9 NC NC NC NC NC NC NC NC -49 3 50 29 <1 <20 <1 <1 <1 <1 <1 <1 41 1 76 ^5 0 NC NC NC -60 1 NC NC NC NC NC NC <1 <20 <1 <1 57 110 99 24 391 <1 <20 <1 <1 62 6 112 97 23 40 6 Others Field pH (S U) Fluonde (mg/L) Cnionde (mg/L) Sulfate (mg/L) TPS (mg/L) 65-85 4 NG NG NG NA 3,000 7,900 110,000 150,000 NA 3,000 8,100 120,000 160.000 00 -2 5 -8 7 -6 5 1 5 4,130 9,900 100,000 149,000 -31 7 -22 5 95 07 1 28 1K910 " 31,400 49,700 2 32 1,360 1,950 42,300 46,500 General Inorganics Listed in Part E.1.(c)(2)(ii) Sodium (mg/L) Potassium (mg/L) Magnesium (mg/L) Calcium (mg/L) NG NG NG NG 17,000 6,900 4,700 740 17,000 7,000 4,700 740 00 -14 00 00 15,900 6,580 4,470 456 67 47 50 47 5 2t93p "" 305 1,710 429 3,060 315 1,790 446 NA = Not Analyzed NG = No GWCL RPD = Relative Percent Difference NC = RPD no calculated because one or more of the concentration were below laboratory detiction limits RPD exceeding 20% for ES their duplicate samples RPD exceeding 30% for DRC comparing their duplicate sample with ES sample Attachment 2 Figures 1-9 Figure 1, EFR staff Tanner Holiday (left) and Garrin Palmer (right) retrieving a bailer partially filled with the blue waste water from tailing cell 2 slimes drain. 4* ,.t ... . --_ O. — --v 9 3m 7, Sam'- w V Figure 2, EFR staff collecting waste water samples from tailing cell 2 slimes drain. Figure 3 \ 3SP- so Figure 4 Figure 3 and 4 EFR staff using a disposable ladle to collect waste water samples out of tailing cell 3. Ban f-f-r 7 -4 -r- Figure 5, the dock on tailing cell 4a where the waste water samples are collected. '•is" 'JB Figure 6, EFR staff collecting waste water samples from tailing cell 4a. Figure 7 Figure 8 Figure 7 and 8, EFR staff collecting waste water samples from tailing cell 4b. Figure 9, waste water from cell 4a LDS was pumped into a stainless steel bucket and the EFR staff then collecting the waste water sample from the bucket.