Document xjeVObQNqeBEbEyJdyoykg2EE

Montana's Ground-Water Information Center (GW IC) | Analysis Repor... http://datagwc.mtech.edu/v6/reports/AnaiysisReport.asp?sampIed::: Ground-W ater Information Center W ater Quality Report Report Date: 12/4/2017 Site Name: BUTTE MINE FLO O D ING OU BERKELEY PIT LAKE Location Information Sample Id/Site Id: 22S20S / 120678 Location (TRS): 03N 07W 18 AABC Sample Date: 11/9/2017 12:55:00 PM A.gency/,Srampl,er: SMTBEMVGE'/ ICOPINI, GARY/MCGRATH, Latitude/Longituda: 46 1' 1" N 112 30' 48" W Field Number: BERKELEY PIT 3 FT Datum: NADB3 Lab Date: 12/2/2017 1:11:56 PM Altitude: 4615 Lab/Analyst: MBMG / TIMMER, JACKIE County/State: SILVER BOW / MX Sample Method/Handling: GRAB / ru :l ra:0 fu :l fa:! Site Type: MINE Procedure Type: DISSOLVED Geology: 211BD8T Total Depth (ft): NR USGS 7.5' Quad: BUTTE NORTH SWL-MP (ft): NR PWS Id: Depth Water Enters (ft): NR Project:. MINEFLO, MINEFLCL20Q2CDMP, ACT1VE-ECBED MINEFLO- Major Ion Results m g/L m eq/L m g/L m eq/L Calcium (Ca) Magnesium (Mg) Sodium (Na) Potassium (K) 468.920 623,530 76.110 9.590 23.399 51.310 3.311 0.245 Bicarbonate (HC03) Carbonate (C03) Chloride (Cl) Sulfate (SQ4) 0.000 0.000 18.060 6,932.000 0.000 0.000 0.509 144,394 Iron (Fe) 1.887 Manganese (Mn) 263.350 Silica (SI02) 121.200 Total Cations Trace Element Results (pg/L) 0.068 9.586 142.560 Nitrate (as N) 0.270 Fluoride (F) 46.720 Orthophosphate (as P) <0.100 U Total Anions 0.019 2.459 0.000 147.382 Aluminum (Ai) Antimony (Sb) Arsenic (As) Barium (Ba) Beryllium (Be) Boron (B) Bromide (Br) Cadmium (Cd) Cerium (Ce) 310,925.000 <1.000 U 4.460 7.470 67.390 34,690 <50.000 U 1,834.290 766.260 Cesium (Cs): Chromium (Cr): Cobalt (Co): Copper (Cu): Gallium (Ga): lanthanum (La): Lead (Pb): Lithium (Li): Mercury (Hg): <1.000 U 10.660 1,609.770 56,055.650 <1.000 U 234.680 22.640 272.380 NR Molybdenum (Mo): Nickel (Ni): Niobium (Mb): Neodymium (Nd): Palladium (Pd): Praseodymium (Pr): Rubidium (Rb): Silver (Ag): Selenium (Se): 4.790 J 1,211.740 <1.000 U 340.080 23.730 78.590 52.640 <1,000 U 18.900 Strontium (Sr) Thallium (Tl) Thorium (Th) Tin (Sn) Titanium (Ti) Tungsten (W) Uranium (U) Vanadium (V) Zinc (Zn) 1,079.860 <1.000 U 24.440 <1.000 U 101.980 <1.000 U 630.100 <1.000 U 597,500.000 Field C h e m istry and Other Analytical Results Zirconium (Zr) <1.000 U **Total Dissolved Solids (mg/L): 9525.93 Field Hardness as CaCOS (mg/L): NR Ammonia (mg/L): NR **Sum of Diss. Constituents (mg/L): 9525.93 Hardness as CaC03: 3737.34 T.P. Hydrocarbons (pg/L): NR Field Conductivity (pmhos); 7300 Field Alkalinity as CaCQ3 (mg/L): NR PCP (pg/L): NR la b Conductivity (pmhos): 7511 Alkalinity as CaC03 (mg/L): 0 Phosphorus, TD (mg/L): <0.300 U Field pH: 3.93 Ryznar Stability Index: 13.688 Field Nitrate (mg/L): NR la b pH: 3.87 Sodium Adsorption Ratio: 0.5409 Field Dissolved 02 (mg/L): 9.22 Water Temp (C): 3.1 Langlier Saturation Index: -4.909 Field Chloride (mg/L): NR Air Temp (C): NR Nitrite (mg/L as N): <0,050 U Field Redox (mV): 653 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as OH): 0.000 Lab, Dissolved Organic Carbon (mg/L): NR Total Kjeldahl Nitrogen (mg/L as N) NR Lab, Dissolved Inorganic Carbon (mg/L): NR Lab, Total Organic Carbon (mg/L): NR Total Nitrogen (mg/L as N) NR Acidity to 4.5 (mg/L CaC03) 1,192.000 Acidity to 8,3 (mg/L CaC03) 3,532.000 As(III) (ug/l) NR As{V) (ug/L) NR Total Susp Soiids (mg/L) NR Sample Condition: CLEAR Notes Field Remarks: SAMPLES COLLECTED WITH DRONE BOAT; FE(II): 0.02 MG/L Lab Remarks: feplanatiem mg/L --=milligrams per Liter; pg/L = micrograms per Liter; f t = feet; NR = No Reading In GWIC Qualifiers:. A = Hydride atomic absorption; E = Estimated due to interference; H = Exceeded holding time; 3 ~ Estimated quantity above detection limit but below reporting limit; K = Na+K combined; N = Spiked sample recovery not within control limits; P = Preserved sample; S = Method o f standard additions; U = Undetected quantity below detection limit; * = Duplicate analysis not within control limits; ** = Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HC03, C03, 504, Cl, Si02, N03, F) in mg/L. Total Dissolved Solids is reported as equivaient weight of evaporation residue. Djsdaimer These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. of Sierra Club v. EPA 18cv3472 NDCA Tier 1/Tier 2 !7 /il/ 9 n i7 S-4fi A M ED 002061 00114831-00001 Montana's Ground-Water Information Center (GWIC) | Analysis Repor... http://datagwic.mtech.edu/v6/reports/AnalysisReport.asp7sampIeid" ... Ground-W ater Information Center W ater Quality Report R e p o r t Date: 12/4/2017 Site Name: BUTTE M INE FLOODING OU BERKELEY PIT LAKE Location Information Sample Id/Siteld: 225209 / 120578 Sample Date: 11/9/2017 1:22:00 PM Location (IRS): Q3N G7W 18 AABC Agency/Sampler:,MBMG / 1CQPINI, GARY/MCGRATH, STEVE Latitude/longitude: 46 1' 3" N 112 30' 48" W Field Number: BERKELEY PIT 20 FT Datum: NAD83 Lab Date: 12/2/2017 1:11:56 PM Altitude: 4615 Lab/Analyst: MBMG / TIMMER, JACKIE County/State: SILVER BOW / MT Sample Method/Handling: GRAB/ ru :l ra:0 fu :l fa:l Site Type: MINE Procedure Type: DISSOLVED Geology: 211BDBT Total Depth (ft): NR USGS 7.5' Quad: BUTTE NORTH SWL-MP (ft): NR PWS Id: Depth Water Enters (ft): NR Project: MINEFLO, MINEFLO_2002CDMP, ACTIVE-ECBED MINEFLO- Major Ion Results m g/L meq/L m g/L m eq/L Calcium (Ca) 472.180 23.562 Bicarbonate (HC03) 0.000 0.00Q Magnesium (Mg) 626,720 51.573 Carbonate (C03) 0.000 0.000 Sodium (Na) 74.680 3.249 Chioride (Cl) 23.180 0.654 Potassium (K) 9,810 0.251 Sulfate (504) 7,025,000 146.331 Iron (Fe) 1.824 0.065 Nitrate (as N) 0.280 0.020 Manganese (Mn) 267.250 9.728 Fluoride (F) 32.800 1.727 Silica (Si02) 122,540 Orthophosphate (as P) <0.100 U 0.000 Total Cations 143.376 Total Anions 148.731 Trace Element Results (p g /L ) Aluminum (AI): Antimony (5b): Arsenic (As): 312,175.000 <1,000 U 3.970 J Cesium (Cs) Chromium (Cr) Cobalt (Co) <1.000 U 11.760 1,704.830 Molybdenum (Mo): Nickel (Ni): Niobium (Nb): 4.670 J 1,272.940 <1.000 U Strontium (Sr): Thallium (Ti): Thorium (Th): 1,140.910 <1.000 U 27.640 Barium (Ba): 8.110 Copper(Cu) 59,900.660 Neodymium (Nd): 357.600 Tin (Sn): <1.000 U Beryllium (Be): 69.410 Gallium (Ga) <1.000 U Palladium (Pd): 24.350 Titanium (Ti): 114.200 Boron (B): 33.080 Lanthanum (La) 217.640 Praseodymium (Pr): 100.520 Tungsten (W): <1.000 U Bromide (Br): <50.000 U Lead (Pb) 16.280 Rubidium (Rb): 55.890 Uranium (U): 716.090 Cadmium (Cd): 2,061.150 Lithium (Li) 288,250 Silver (Ag): <1.000 U Vanadium (V): <1.000 U Cerium (Ce): 965.050 Mercury (Hg) NR Selenium (Se): 20.680 Zinc (Zn): 599,000.000 Zirconium (Zr): 12.820 Field Chemistry and Other Analytical Results *=<10181 Dissolved Solids (mg/L): 9627.98 Field Hardness as CaCG3 (mg/L): NR Ammonia (mg/L): NR **Sum of Diss. Constituents (mg/L): 9627.98 Hardness as CaCQS: 3758.61 T.P. Hydrocarbons (pg/L): NR Field Conductivity (pmhos): 7360 Field Alkalinity as CaC03 (mg/L): NR PCP (pg/L): NR Lab Conductivity (pmhos): 7540 Alkalinity as CaCQ3 (mg/L): 0 Phosphorus, TD (mg/L): <0.300 U Field pH: Lab pH: Water Temp (C): Air Temp (C): 3.92 3.84 3.82 NR Ryznar Stability Index: Sodium Adsorption Ratio: Langlier Saturation Index: Nitrite (mg/L as N): 13.712 0.5323 -4,936 <0.050 U Field Nitrate (mg/L): Field Dissolved 02 (mg/L): Field Chloride (mg/L); Field Redox (mV): NR 8.850 NR 657 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as OH): 0.000 Lab, Dissolved Organic Carbon (mg/L): NR Total Kjeldah! Nitrogen (mg/L as N) NR Lab, Dissolved Inorganic Carbon (mg/L): NR Lab, Total Organic Carbon (mg/L): NR Total Nitrogen (mg/L as N) NR As(III) (ug/L) NR Sample Condition: CLEAR Acidity to 4.5 (mg/L CaC03) 1,239.000 As(V) (ug/L) NR Aridity to 8.3 (mg/L CaC03) 3,644.000 Total Susp Solids (mg/L) NR Notes Field Remarks: SAMPLES COLLECTED WITH DRONE BOAT; FE(H) = 0.06 MG/t Lab Remarks: Explanation: mg/L, = milligrams per liter; pg/L = micrograms per Liter; f t = feet; NR = No Reading in GWIC Qualifiers: A = Hydride atomic absorption; E = Estimated due to Interference; H = Exceeded holding time; 3 = Estimated quantity above detection limit but below reporting limit; K = Na+K combined; N = Spiked sample recovery not within control limits; P = Preserved sample; S = Method of standard additions; U = Undetected quantity below detection limit; * = Duplicate analysis not within control limits; ** = Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HC03, C03, S04, Ci, SI02, N03, F) .in mg/L. Total Dissolved Solids Is reported as equivalent weight of evaporation residue. Disclaimer These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. ] of I Sierra Club v. EPA 18cv3472 NDCA Tier 1/Tier 2 X l t A n M l S-dfl A M ED_002061_00114831-00002 Montana's Ground-Water Information Center (GW IC) | Analysis Repor... http://datagwic.mtech,edu/v6/reports/AnalysisReport.asp?sampleid=... Ground-W ater Information Center W ater Quality Report Report Date: 12/4/2017 Site Name: BUTTE M IN E FLO O D ING OU BERKELEY PIT LAKE fim eass^Lffiate-O titiiLSM natis Location Information Sample Id/Site Id: 225210 / 120678 Location (TRS): 03N 07W 18 AABC Sample Date: 11/9/2017 1:55:00 PM A.gency/Sampf,er: SMTBCMVGE / ICQPINI, GARY/MCGRATH, Latitude/Longitude: 46 1' 1" N 112 30' 48" W Field Number: BERKELEY PIT 60 FT Datum: NAD83 Lab Date: 12/2/2017 1:11:56 PM Altitude: 4615 Lab/Anaiyst: MBMG / TIMMER, JACKIE County/State: SILVER BOW / MT Sample Method/Handling: GRAB / ru ;l ra:0 fu :l fa:l Site Type: MINE Procedure Type: DISSOLVED Geology: 211BDBT Total Depth (ft): NR USGS 7.5' Quad: BUTTE NORTH SWL-MP (ft): MR PWS Id: Depth Water Enters (ft): NR Project:.. MINEFLO, MINEFIO_2002CDMP, ACT1VE-EC8ED MINEFLO- Major Ion Results m g/L Calcium (Ca) 467.120 Magnesium (Mg) 621.500 Sodium (Ma) 72.630 Potassium (K) 10.270 Iron (Fe) 1.606 Manganese (Mn) 268.750 Silica (Si02) 123.440 Total Cations T ra ce E lem en t Results (pg/L) meq/l 23.309 51.143 3.159 0.263 0.058 9.783 142.612 mg/L Bicarbonate (HC03) 0.000 Carbonate (C03) 0.000 Chloride (C!) 19.380 Sulfate (504) 7,010.000 Nitrate (as N) 0.260 Fluoride (F) 47.510 Orthophosphate (as P) <0.100 U Total Anions meq/L 0.000 0.000 0.547 146.018 0.019 2.501 0.000 149.084 Aluminum (Al): Antimony (Sb): Arsenic (As): Barium (Ba): Beryllium (Be): Boron (B): Bromide (Br): Cadmium (Cd): Cerium (Ce): 312,125.000 <1.000 U 4.590 8.290 75.900 39,790 <50,000 U 2,018,940 943.460 Cesium (Cs) Chromium (Cr) Cobalt (Co) Copper(Cu) Gallium (Ga) Lanthanum (La) Lead (Pb) Lithium (U) Mercury (Hg) <1,000 U 12.100 1,687.510 57,715,950 <1.000 U 252.690 17.500 290.120 NR Molybdenum (Mo): Nickel (Ni): Niobium (Nb): Neodymium (Nd): Palladium (Pd): Praseodymium (Pr): Rubidium (Rb): Silver (Ag): Selenium (5e): 4.480 3 1,232.450 <1.000 U 378.690 24.140 97.900 55.000 <1.000 U 21.670 Strontium (Sr): Thallium (Tf): Thorium (Th): Tin (Sn): Titanium (Ti): Tungsten (W): Uranium (U): Vanadium (V): Zinc (Zn): 1,114.470 <1.000 U 26.550 <1.000 U 107.120 <1.000 U 701.280 <1,000 U 599,750.000 Field Chemistry and Other Analytical Results Zirconium (Zr): <1.000 U **Totai Dissolved Solids (mg/L): 9612.21 Field Hardness as CaC03 (mg/L): NR Ammonia (mg/L): NR **Sum o f Diss. Constituents (mg/L): 9612.21 Hardness as CaC03: 3724.49 T.P. Hydrocarbons (pg/L): NR Field Conductivity (prrrhos): 7350 Field Alkalinity as CaC03 (mg/L): NR PCPfpg/L): NR Lab Conductivity (pmhos): 7518 Aikallnity as CaCQ3 (mg/L): 0 Phosphorus, TD (mg/L): <0.300 U Field pH: 3.95 Ryznar Stability Index: 13.711 Field Nitrate (mg/L): NR Lab pH: 3.85 Sodium Adsorption Ratio: 0.5205 Field Dissolved Q2 (mg/L): 7.640 Water Temp (C): 4.2 tanglier Saturation Index: -4.931 Field Chloride (mg/L): NR Air Temp (C): NR Nitrite (mg/L as N): <0.050 U Field Redox (mV): 663 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as OH): 0.00Q Lab, Dissolved Organic Carbon (mg/L): NR Tota! Kjeldahl Nitrogen (mg/L as N) NR Lab, Dissolved Inorganic Carbon (mg/L): NR Lab, Total Organic Carbon (mg/L): NR Total Nitrogen (mg/L as N) NR Acidity to 4.5 (mg/L CaC03) 1,120.000 Acidity to 8.3 (mg/L CaCOS) 3,399.000 As(ni) (ug/L) NR As(V) (ug/L) NR Total Susp Solids (mg/L) NR Sample Condition: CLEAR Notes Held Remarks: SAMPLES COLLECTED WITH DRONE BOAT; FE(II) ; 0.03 MG/L Lab Remarks: Explanation: m g /L = milligrams per Liter; pg/L = micrograms per Liter; ft = feet; N R = No Reading in GWIC Qualifiers: A = Hydride atomic absorption; E = Estimated due to interference; H = Exceeded holding time; 3 = Estimated quantity above detection limit but below reporting Emit; K = Na+K combined; N = Spiked sample recovery' not within control limits; P = Preserved sample; S = Method of standard additions; U = Undetected quantity below detection limit; * = Duplicate analysis not within control limits; ** = Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HC03, COS, SQ4, Cl, SI02, NOS, F) in mg/L. Total Dissolved Solids is reported as equivalent weight of evaporation residue. .Disclaimer 'These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the originai end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. 1nf 1 Sierra Club v. EPA 18cv3472 NDCA Tier 1/Tier 2 n i / i n n n e-,in a m ED 002061 00114831-00003 Montana's Ground-Water Information Center (GW IC) j Analysis Repor... http://datagwic.nftech.edu/v6/reports/AiialysisReport.asp7sampleidT.. Ground-W ater Information Center W ater Quality Report R e p o r t Date: 12/4/2017 Site Name: BUTTE M IN E FLO O DING OU BERKELEY PIT LAKE m m m .to. Water Q u a lity S t a n d a r d s Location Information Sample Id/Site Id: 225211 / 120678 Location (TRS): 03N 07W 18 AABC Latitude/Longitude: 46 1' 1" N 112 30' 48" W Datum: NAD83 Altitude: 4615 County/State: SILVER BOW / MT Site Type: MINE Geology: 211BDBT USGS 7.5' Quad: BUTTE NORTH PWS Id: D . . MINEFLO, MINEFLO_2002CDMP, MINEFLOPiojea. A c n v E .ECBED Sample Date: 11/9/2017 2:28:00 PM Agency/Sampler: MBMG / STEVE ICOPINI, GARY/MCGRATH, Field Number: BERKELEY PIT 200 FT Lab Date 12/2/2017 1:11:56 PM Lab/Analyst: MBMG / T1MMER, JACKIE Sample Method/Handiing: GRAB / ru :l ra:0 fu :l fa:l Procedure Type: DISSOLVED Total Depth (ft): NR SWL-MP (ft): NR Depth Water Enters (ft): NR Major Ion Results mg/L Calcium (Ca) 463.930 Magnesium (Mg) 617.820 Sodium (Na) 74.510 Potassium (K) 10.430 Iron (Fe) 1.320 Manganese (Mn) 272.200 Silica (SI02) 124.560 Total C a tion s Trace Element Results (fig /L ) Aluminum (Al): 311,650.000 Antimony (Sb): <1.000 U Arsenic (As): 4.170 Barium (Ba): 7.990 Beryllium (8): 77.600 Boron (B): 29.860 Bromide (Br): <50.000 U Cadmium (Cd): 2,085.290 Cerium (Ce): 983.600 meq/l 23.150 50.840 3.241 0.267 0.047 9.908 142.408 Cesium (Cs); Chromium (Cr): Cobalt (Co): Copper (Cu): Gaiiium (Ga): Lanthanum (La): Lead (Pb): Lithium (Li): Mercury (Hg): mg/l Bicarbonate (HC03) 0.000 Carbonate (CQ3) 0.00Q Chloride (Ci) 24.180 Sulfate (S04) 7,012.000 Nitrate (as N) 0.260 Fluoride (F) 47.890 Orthophosphate (as P) <0.100 U Total Anions nteq/L 0.000 0.000 0.682 146.060 0.019 2.521 0.000 149.282 <1.000 U 11.190 1,718.350 59,811.790 <1.000 U 220.280 14.720 293.780 NR Molybdenum (Mo) Nickel (Ni) Niobium (Mb) Neodymium (Nd) Palladium (Pd) Praseodymium (Pr) Rubidium (Rb) Silver (Ag) Selenium (Se) 4.480 J 1,290.790 <1.000 U 360.070 24.370 103.540 55.450 <1.000 U 21.140 Strontium (Sr) Thallium (Ti) Thorium (Th) Tin (Sn) Titanium (Ti) Tungsten (W) Uranium (U) Vanadium (V) Zinc (Zn) 1,128.130 <1.000 U 25.760 <1.000 U 114.710 <1.000 U 717.920 <1.000 U 601,200.000 Field Chemistry and Other Analyticai Results Zirconium (Zr) <1.000 U ""Total Dissolved Solids (mg/L): 9621.41 Field Hardness as CaC03 (mg/L): NR Ammonia (mg/L) NR **Sum of Diss. Constituents (mg/L): 9621.41 Hardness as CaCG3: 3701.38 T.P. Hydrocarbons (pg/L) NR Field Conductivity (pmhos): 7350 Field Alkalinity as CaCQ3 (mg/L): NR PCP (pg/L) NR Lab Conductivity (pmhos): 7471 Alkalinity as CaCOB (rng/L): 0 Phosphorus, TD (mg/L) <0,300 U Field pH: 4 Ryznar Stability Index: 13.697 Field Nitrate (mg/L) NR Lab pH: 3.87 Sodium Adsorption Ratio: 0.5364 Field Dissolved 02 (mg/L) 6.230 Water Temp (Q: 4.15 Langlier Saturation Index: -4.914 Field Chloride (mg/L) NR Air Temp (C): NR Nitrite (mg/L as N): <0.050 U Field Redox (mV) 661 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as QH): 0.000 Lab, Dissolved Organic Carbon (mg/L) NR Total Kjeldahl Nitrogen (mg/L as N) NR Lab, Dissolved Inorganic Carbon (mg/L): NR Lab, Total Organic Carbon (mg/L) NR Total Nitrogen (mg/L as N) NR Acidity to 4.5 (mg/L CaC03) 1,120.000 Acidity to 8.3 (m g/l CaCCB) 3,535.000 As(HI) (ug/L) NR As(V) (ug/L) NR Total Susp Solids (mg/L) NR Sample Condition: CLEAR Notes Field Remarks: SAMPLES COLLECTED WITH DRONE BOAT; FEII) = 0.03 MG/L Lab Remarks: Explanation: mg/L = milligrams per Liter; p g /L = micrograms per Liter; f t = feet; NR = No Reading in GWIC Qualifiers: A = Hydride atomic absorption; E = Estimated due to interference; H = Exceeded holding time; 3 = Estimated quantity above detection limit but below reporting limit; K = Na+K combined; N = Spiked sample recovery not within control limits; P = Preserved sample; S = Method of standard additions; U = Undetected quantity below detection limit; * = Duplicate analysis not within control limits; * * - Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HC03, COS, S04, Cl, Si02, N03, F) in mg/L. Total Dissolved Solids is reported as equivalent weight of evaporation residue. Disclaimer These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. 5of 1 Sierra Club v. EPA 18cv3472 NDCA Tier 1/Tier 2 9/4/701 7 8-41 A M ED 002061 00114831-00004 Montana's Ground-Water Information Center (GW IC) j Analysis Repor... http://datagwie.mfech,edu/v6/reports/AnalysisReport.asp?sampleid=... Ground-W ater Information Center W ater Quality Report Report Date: 12/4/2017 Site Name: BUTTE M INE FLO O D ING OU BERKELEY PIT LAKE C&qaamloiSaMLO^ Location Information Sample Id/Site Id: 225212 / 120678 Location (TRS): 03N 07W 18 AABC Sample Date: 11/9/2017 2:50:00 PM A.gency/,Scampl.er: SMTBBM/Gg / ICOPINI, GARY/MCGRATH, Latitude/Longitude: 46 1' 1" N 112 30' 48" W Field Number: BERKELEY PIT 450 FT Datum: NADS3 Lab Date: 12/2/2017 1:11:56 PM Altitude: 4615 Lab/Analyst: MBMG / TIMMER, JACKIE County/State: SILVER BOW / MT Sample Method/Handling: GRAB / ru :l ra:0 fu :l fa:l Site Type: MINE Procedure Type: DISSOLVED Geology: 211BDBT Total Depth (ft): NR USGS 7.5' Quad: BUTTE NORTH SWL-MP (ft): NR PWS Id: Depth Water Enters (ft): NR . MINEFLO, MINEFLO_2002CDMP, MINEFLO- J ACnVE-ECBED Major Ion Results mg/L Calcium (Ca) 465.900 Magnesium (Mg) 620.170 Sodium (Na) 70.340 Potassium (K) 10.190 Iron (Fe) 1.150 Manganese (Mn) 268.400 Silica (302) 123.010 Total Cations Trace Element Results (pg/L) Aluminum (A!): 311,300.000 Antimony (Sb): <1.000 U Arsenic (As): 5.670 Barium (Ba): 8.400 Beryllium (Be): 76.680 Boron (B): 39.590 Bromide (Br): <50.000 U Cadmium (Cd): 2,094.120 Cerium (Ce): 963.160 meq/L 23.248 51.034 3.060 0.261 0.041 9.770 142.176 Cesium (Cs) Chromium (Cr) Cobait (Co) Copper(Cu) Gallium (Ga) Lanthanum (La) Lead (Pb) Lithium (Li) Mercury (Hg) mg/L Bicarbonate (HC03) 0.000 Carbonate (CQ3) 0.000 Chloride (Ci) 24.400 Sulfate (S4) 7,027.000 Nitrate (as N) 0.260 Fluoride (F) 32,790 Orthophosphate (as P) <0.100 U Total Anions meq/L 0.000 0.000 0.688 146.372 0.019 1.726 0.000 148,805 <1.000 U 11.370 1,670.890 57,794.470 <1.000 U 259.410 15.020 292.570 NR Molybdenum (Mo): Nickel (Ni): Niobium (Nb): Neodymium (Nd): Palladium (Pd): Praseodymium (Pr): Rubidium (Rb): Silver (Ag): Selenium (Se): 5.170 1,247.940 <1.000 U 375.160 25.070 98.410 55.850 <1.000 U 21.290 Field Chemistry and Other Analytical Results Strontium (Sr): Thallium (T): Thorium (Tn): Tin (Sn): Titanium (11): Tungsten (W): Uranium (U): Vanadium (V); Zinc (Zn): Zirconium (Zr): 1,130.590 <1.000 U 25.940 <1.000 U 110.860 <1.000 U 702.310 <1.000 U 598,250.000 3,020 J **Total Dissolved Solids (mg/L): 9609.41 **Sum of Diss. Constituents (mg/L): 9609.41 Field Hardness as CaC03 (mg/L): NR Hardness as CaC03; 3715,97 Ammonia (mg/L): NR T.p. Hydrocarbons (pg/L): NR Field Conductivity (pmhos): 7370 Field Alkalinity as CaC03 (mg/L): NR PCP (pg/L): NR lab Conductivity (pmhos): 7574 Alkalinity as CaC03 (rng/L): 0 Phosphorus, TD (rng/L): <0.300 U Field pH: Lab pH: Water Temp (C): Air Temp (C): Nitrate + Nitrite (mg/L as N) Total Kjeldahl Nitrogen (mg/L as N) 4.02 3.87 4.15 NR NR NR Ryznar Stability Index: Sodium Adsorption Ratio: Langlier Saturation Index: Nitrite (mg/L as N): Hydroxide (mg/L as OH): Lab, Dissolved Inorganic Carbon (mg/L): 13.693 0.4996 -4.912 <0.050 U 0.000 NR Field Nitrate (mg/L): Field Dissolved Q2 (mg/L): Field Chloride (mg/L): Field Redox (mV): Lab, Dissolved Organic Carbon (mg/L): Lab, Total Organic Carbon (mg/L): NR 6.250 NR 665 NR NR Total Nitrogen (mg/L as N) NR Acidity to 4.5 (mg/L CaC03) 1,203.000 Acidity to 8.3 (mg/L CaC03) 3,496.000 As(III) (ug/L) NR Sample Condition: CLEAR As(V) (ug/L) NR Total Susp Solids (mg/L) NR Notes Field Remarks: SAMPLES COLLECTED WITH DRONE BOAT; FE(II) = 0.07 MG/L Lab Remarks: Explanation; mg/L = milligrams per Liter; pg/L = micrograms per Liter; f t = feet; NR = No Reading in GWIC Qualifiers: A = Hydride atomic absorption; E = Estimated due to interference; H = Exceeded holding time; 3 = Estimated quantity above detection limit but below reporting limit; K = Na+K combined; N = Spiked sample recovery not within control limits; P = Preserved sample; S = Method of standard additions; U = Undetected quantity below detection limit; * = Duplicate analysis not within control limits; ** ~ Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HC03, C03, S04, Cl, SiQ2, N03, F) in mg/L. Total Dissolved Solids is reported as equivalent weight of evaporation residue. Disdaifflgr These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. 1nf Sierra Club v. EPA 18cv3472 NDCA Tier 1/Tier 2 n / / f / o n n o. ai ah a ED 002061 00114831-00005 Montana's Ground-Water Information Center (GW IC) j Analysis Repor... http://datagwic.mtech.edu/v6/reports/AnalysisRieport.asp7sampleid~... Ground-W ater Information Center W ater Quality Report R e p o rt D ate: 12/4/201? Site Name: BUTTE M IN E FLO O D ING OU BERKELEY PIT LAKE m B S & & 3 S S l L 2 t L iM a s Location Information Sample Id/Site Id: 225213 / 120678 location (TRS): 03N 07W 18 AABC Sample Date: 11/9/2017 12:55:00 PM A.gency/Sampl,er: SMTBEMVG / ICOPINI, GARY/MCGRATH, Latitude/longitude: 46 1' 1" N 112 30' 48" W Datum: NAD83 Altitude; 4615 County/State: SILVER BOW / MT Site Type: MINE Geology: 211BDBT USGS 7.5' Quad: BUTTE NORTH PWS Id: D . MINEFLO, MINEFLQ_20Q2CDMP, MINEFLOProject. A c n v E _ECBED Field Number: BERKELEY PIT 3 FT Lab Date: 12/2/2017 1:11:57 PM lab/Anaiyst: MBMG / 7IMMER, JACKIE Sample Method/Har.dling: GRAB / ru:0 ra:l fu:0 fa:0 Procedure Type: TOTAL RECOVERABLE Total Depth (ft): NR SWL-MP (ft): NR Depth Water Enters (ft): NR Major Ion Results m g/L Calcium (Ca) 465.040 Magnesium (Mg) 600.260 Sodium (Na) 73.830 Potassium (K) 10.050 Iron (Fe) 2.552 Manganese (Mn) 281.100 Silica (Si02) NR T otal Cations Element Results (pg/L) Aluminum (AI): 320,800.000 Antimony (Sb): <1.000 U Arsenic (As): 6.870 Barium (Ba): 7.960 Beryilium (Be): 70.860 Boron (B): 51.500 Bromide (Br): NR Cadmium (Cd): 1,969,320 Cerium (Ce): 909.680 m eq /L 23.205 49.395 3.212 0.257 0.Q9I 10.232 142.790 Cesium (Cs) Chromium (Cr) Cobalt (Co) Copper(Cu) Gallium (Ga) Lanthanum (La) Lead (Pb) Lithium (Li) Mercury (Hg) Field Chemistry and Other Analytical Results m g/L Bicarbonate (HC03) NR Carbonate (C03) NR Chloride (Cl) NR Sulfate (S04) NR Nitrate (as N) NR Fluoride (F) NR Orthophosphate (as P) NR Total Anions m eq/L 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 <1.000 U 12.460 1,681.030 57,205.060 <1.000 U 245.460 27.240 285.570 NR Molybdenum (Mo): Nickel (Ms): Niobium (Nb): Neodymium (Nd): Palladium (Pd); Praseodymium (Pr): Rubidium (Rb): Silver (Ag): Selenium (Se): 5.240 1,283,490 <1.000 U 371.420 23.770 94.510 55.760 NR 22.590 Strontium (Sr): Thallium (Ti): Thorium (Th): Tin (Sn): Titanium (Ti); Tungsten (W): Uranium (U): Vanadium (V): Zinc (Zn); Zirconium (Zr): 1,114.880 <1.000 U 25.590 <1.000 U 105.490 <1.000 U 679.990 <1.000 U 617,750.000 <1.000 U *=*10131 Dissolved Solids (mg/L); NR Field Hardness as CaCQ3 (mg/L): NR Ammonia (mg/L): NR **Sum of Diss. Constituents (mg/L): NR Hardness as CaC03: 3631.88 T.P. Hydrocarbons (pg/L): NR Field Conductivity (pmhQS): 7300 Field Alkalinity as CaCOS (mg/L): NR PCP (pg/l): NR Lab Conductivity (pmbos): NR Alkalinity as CaC03 (mg/L); NR Phosphorus, TD (mg/L): <0.300 U Field pH: 3,93 Ryznar Stability Index: 17.565 Field Nitrate (mg/L): NR Lab pH: NR Sodium Adsorption Ratio: 0.5343 Field Dissolved 02 (mg/L); 9.220 Water Temp (C): 3,1 tanglier Saturation Index: -8.783 Field Chloride (mg/L): NR Air Temp (C): NR Nitrite (mg/L as N): MR Field Redox (mV): 653 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as OH): NR Lab, Dissolved Organic Carbon (mg/L): NR Total Kjeldahi Nitrogen (mg/L as N) NR Lab, Dissolved Inorganic Carbon (mg/L): NR Lab, Total Organic Carbon (mg/L): NR Total Nitrogen (mg/L as N) MR Acidity to 4.5 (mg/L CaC03) NR Acidity to 8.3 (mg/L CaCOS) NR A s(ni) (ug/L) NR As(V)(ug/L) NR Total Susp Solids (mg/L) NR Sample Condition: CLEAR Notes Field Remarks: SAMPLES COLLECTED WITH DRONE BOAT; FE(II) = 0.02 M G/l Lab Remarks: Explanation: mg/L = milligrams per liter; pg/L = micrograms per Liter; f t = feet; NR = No Reading in GWIC Qualifiers: A = Hydride atomic absorption; E = Estimated due to interference; H = Exceeded holding time; 3 = Estimated quantity above detection limit but below reporting limit; K = Na+K combined; N = Spiked sample recovery not within control limits; P = Preserved sample; S = Method of standard additions; U = Undetected quantity below detection limit; * = Duplicate analysis not within control limits; ** = Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HC03, C03, S04, Cl, Si02, N03, F) in mg/L. Total Dissolved Solids is reported as equivalent weight of evaporation residue. Disclaimer These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. nf 1 Sierra Club v. EPA 18cv3472 NDCA Tier 1/Tier 2 9 - /II A M ED 002061 00114831-00006 Montana's Ground-Water Information Center (GW IC) j Analysis Repor... http://datagwic.mtech.edu/v6/reports/AnaiysisReport.asp?sampleid=... Ground-W ater Information Center W ater Quality Report R e p o r t Date; 12/4/2017 Site Name: BUTTE MINE FLO O D ING OU BERKELEY PIT LAKE C o m p a r e t o W a t e r Quality Standards Location Information Sample Id/Site Id: 225214 / 120678 Location (1RS): 03N 07W 18 AABC Sample Date: 11/9/2017 1:22:00 PM A.gency/Sampl,er: MBMG / ICOPINI, GARY/MCGRATH, Latitude/Longitude: 46 1' 1" N 112 30' 48" W Field Number: BERKELEY PIT 20 FT Datum: NAD83 Lab Date: 12/2/2017 1:11:57 PM Altitude: 4615 Lab/Analyst: MBMG / TMMER, JACKIE County/State: SILVER BOW / MT Sample Method/Handling: GRAB / ru:0 ra :l fu:0 fa:0 Site Type: MINE Procedure Type: TOTAL RECOVERABLE Geology: 211BDBT Total Depth (ft): NR USGS 7.5' Quad: BUTTE NORTH SWL-MP (ft): NR PWS Id: Depth Water Enters (ft): NR Project: MINEFLO. MINEFLO ACnVE-ECBED 2002CDMP. MINEFLO- Major Ion Results m g/L Calcium (Ca) 470.870 Magnesium (Mg) 608.070 Sodium (Na) 73.830 Potassium (K) 10.310 Iron (Fe) 2.142 Manganese (Mn) 287.850 Silica (SQ2) NR Total Cations Trace Element Results (pg/L) meq/L 23.496 50.038 3.212 0.264 0.077 10.478 144.913 mg/L Bicarbonate (HCQ3) NR Carbonate (C03) NR Chloride (Cl) NR Sulfate (S4) NR Nitrate (as N) NR Fluoride (F) NR Orthophosphate (as P) NR Total Anions meq/L 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Aluminum (Al): Antimony (Sb); Arsenic (As): Barium (Ba): Beryllium (Be): Boron (B): Bromide (Br); Cadmium (Cd): Cerium (Ce): 325,950.000 <1.000 U NR 8.320 76.640 45.100 NR 2,074.970 9S5.760 Cesium (Cs) Chromium (Cr) Cobalt (Co) Copper(Cu) Gallium (Ga) Lanthanum (La) Lead (Pb) Lithium (U) Mercury (Hg) <1.000 U 13.680 1,728.980 58,654.760 <1.000 U 258.750 20.540 296.080 NR Molybdenum (Mo) Nickel (Ni) Niobium (Nb) Neodymium (Nd) Palladium (Pd) Praseodymium (pr) Rubidium (Rb) Silver (Ag) Selenium (Se) 5.320 1,308.780 <1.000 U 370.870 26.200 98.590 56.970 <1.000 U 21.940 Strontium (Sr): Thallium (II): Thorium (Th): Tin (Sn): Titanium (Ti): Tungsten (W): Uranium (U): Vanadium (V): Zinc (Zn): 1,142.820 <1.000 U 29.260 <1.000 U 111.510 <1.000 U 722.510 <1.000 U 628,650.000 Field Chemistry and Other Analytical Results Zirconium (Zr): 3.990 J **Total Dissolved Solids (mg/L): NR Field Hardness as CaC03 (mg/L) NR Ammonia (mg/L): NR **Sum of Diss. Constituents (mg/L): NR Hardness as CaC03 3678.58 T.P. Hydrocarbons (pg/L): NR Field Conductivity (pmhos): 7360 Field Alkalinity as CaC03 (mg/L) NR PCP (pg/L): NR Lab Conductivity (pmhos): NR Alkalinity as CaC03 (mg/L) NR Phosphorus, TD (mg/L): <0.300 U Field pH: 3.92 Ryznar Stability Index 17.554 Field Nitrate (mg/L): NR Lab pH: NR Sodium Adsorption Ratio 0.5309 Field Dissolved Q2 (mg/L): 8.850 Water Temp (C): 3.82 Langlier Saturation Index -8.777 Field Chloride (mg/L): NR Air Temp (Q: NR Nitrite (mg/L as N) NR Field Redox (mV): 657 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as OH) NR Lab, Dissolved Organic Carbon (mg/L): NR Total Kjeldahl Nitrogen (mg/L as N) NR Lab, Dissolved Inorganic Carbon (mg/L) NR Lab, Total Organic Carbon (mg/L): NR Total Nitrogen (mg/L as N) NR Acidity to 4.5 (mg/L CaC03) NR Acidity to 8.3 (mg/L CaC03) NR As(III) (ug/L) NR As(V) (ug/L) NR Total Susp Soiids (mg/L) NR Sample Condition: CLEAR Notes Field Remarks: SAMPLES COLLECTED WITH DRONE BOAT; FE(II) = 0.06 MG/L Lab Remarks: Explanation: mg/L = milligrams per Liter; pg/L = micrograms per Liter; ft = feet; NR = No Reading in GWIC Qualifiers: A = Hydride atomic absorption; E Estimated due to interference; H = Exceeded holding time; 3 = Estimated quantity above detection limit but below reporting limit; K = Na+K combined; N = Spiked sample recovery not within control limits; P = Preserved sample; S = Method of standard additions; U = Undetected quantity below detection limit; * = Duplicate analysis not within control limits; ** = Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HC03, C03, S04, Cl, SiQ2, NOS, F) in mg/L. Total Dissolved Solids Is reported as equivalent weight of evaporation residue. Disclaimer These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. 1of 1 Sierra Club v. EPA 18cv3472 NDCA Tier 1/Tier 2 I 7/4/7017 8-47 A M ED 002061 00114831-00007 Montana's Ground-Water Information Center (GW IC) | Analysis Repor... htip;//datagwic.mtech,edu/v6/reports/Ana!ysisReport.asp?sampleid=.,. Ground-W ater Information Center W ater Quality Report R e p o rt D ate: 12/4/2017 Site Name: BUTTE M IN E FLO O DING OU BERKELEY FIT LAKE a m g a 8 ifi /M g L lM Location Information Sample Id/Sita Id: 225215 / 120578 Location (TRS): 03N 07W 18 AABC Sample Date: 11/9/2017 1:55:00 PM A. gency/Sampi.er: SMTBEMVG / ICOPINI, GARY/MCGRATH, Latitude/Longitude: 46 V 1" N 112 30' 48" W Datum: NAD83 Altitude: 4615 County/State: SILVER BOW / MT Site Type: MINE Geology: 211BDBT USGS 7.5' Quad: BUTTE NORTH PWS Id: ,, . . MINEFLO, MINEFLO 2002CDMP, MINEFLOProject: ACT1V.E'CBED " Field Number: BERKELEY PIT 60 FT Lab Date: 12/2/2017 1:11:57 PM Lab/Anaiyst: MBMG / TIMMER, JACKIE Sample Method/Handling: GRAB / ru:0 ra:.l fu:0 fa:0 Procedure Type: TOTAL RECOVERABLE Total Depth (ft): NR SWL-MP (ft): NR Depth Water Enters (ft): NR Major Ion Results m g/L Calcium (Ca) 475.620 Magnesium (Mg) 625.850 Sodium (Na) 74.490 Potassium (K) 10.250 Iron (Fe) 1.846 Manganese (Mn) 284.950 Silica (Si02) NR Tota! Cations : Element Results ( p g / l) meq/L 23.733 51.583 3.240 0,262 0.066 10.372 147.529 m g/L Bicarbonate (HC03) NR Carbonate (C03) NR Chloride (Cl) NR Sulfate (S04) NR Nitrate (as N) NR Fluoride (F) NR Orthophosphate (as P) NR Total Anions m eq/L 0.000 0.000 0,000 0.000 0.000 0.000 0.000 0.000 Aluminum (A!): Antimony (5b): Arsenic (As): Barium (Ba): Beryllium (Be): Boron (B): Bromide (Br): Cadmium (Cd): Cerium (Ce): 331,175.000 <1.000 U 5.020 8.310 78.550 37.280 NR 2,096.750 967.320 Cesium (Cs): Chromium (Cr): Cobalt (Co): Copper (Cu): Gallium (Ga): Lanthanum (La): Lead (Pfa): Lithium (U): Mercury (Hg): <1.000 U 12.900 1,790.410 60,238.380 <1.000 U 261.910 18.550 296.630 NR Molybdenum (Mo): Nickel (Mi): Niobium (Mb): Neodymium (Nd): Palladium (Pd): Praseodymium (Pr): Rubidium (Rb): Silver (Ag): Selenium (Se): 5.140 1,375.150 <1.000 U 377.050 24.310 100.870 57.060 NR 22.510 Strontium (Sr): Thallium (Tl): Thorium (Th): Tin (Sn): Titanium (Ti): Tungsten (W): Uranium (U): Vanadium (V): Zinc (Zn): 1,221.970 <1.000 U 28.630 <1.000 U 110.620 <1.000 U 724.840 <1.000 U 638,150.000 Field Chemistry and Other Analytical Results Zirconium (Zr): <1.000 U **Total Dissolved Solids (mg/L): NR Field Hardness as CaCQ3 (mg/l): NR Ammonia (mg/L) NR **Sum of Diss. Constituents (mg/L): NR Hardness as CaC03: 3767.74 T.P. Hydrocarbons (pg/L) NR Field Conductivity (pmhos): 7350 Field Alkalinity as CaCG3 (mg/L); NR PCPftig/L) NR Lab Conductivity (pmhos): NR Alkalinity as CaC03 (mg/L): NR Phosphorus, TD (mg/L) <0.300 U Field pH: 3.95 Ryznar Stability Index: 17.545 Field Nitrate (mg/L) NR Lab pH: NR Sodium Adsorption Ratio: 0.5246 Field Dissolved 02 (mg/L) 7.640 Water Temp (C): 4.2 tanglier Saturation Index: -8.773 Field Chloride (mg/L) NR Air Temp (C): NR Nitrite (mg/L as N): NR Field Redox (mV) 663 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as OH): NR Lab, Dissolved Organic Carbon (mg/L) NR Total Kjeldahl Nitrogen (mg/L as N) NR Lab, Dissolved Inorganic Carbon (mg/L): NR Lab, Total Organic Carbon (mg/L) NR Total Nitrogen (mg/L as N) NR Acidity to 4.5 (mg/L CaC03) NR Acidity to 8.3 (mg/L CaC03) NR As(III) (ug/L) NR As(V) (ug/L) NR Total Susp Solids (mg/L) NR Sample Condition: CLEAR Notes Field Remarks: SAMPLES COLLECTED WITH DRONE BOAT; FE(II) = 0.03 MG/L Lab Remarks: Explanation; m g /L = milligrams per Liter; jig /L = micrograms per Liter; f t = feet; N R ==No Reading in GWIC .Qualifiers: A = Hydride atomic absorption; = Estimated due to interference; H = Exceeded holding time; 3 = Estimated quantity above detection limit but below reporting limit; K = Na+K combined; N = Spiked sampie recovery not within control limits; P Preserved sample; S = Method of standard additions; U ==Undetected quantity below detection limit; * = Duplicate analysis not within control limits; ** = Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HC03, C03, S04, Ci, Si02, NOB, F) in mg/L. Total Dissolved Solids is reported as equivalent weight of evaporation residue. Disclaimer These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. I nf 1 Sierra Club v. EPA 18cv3472 NDCA Tier 1/Tier 2 n M / W n Q-AO A M ED 002061 00114831-00008 Montana's Ground-Water Information Center (GW IC) | Analysis Repor... http://datagwic.mtech.edu/\'6/reports/AnalysisReport.asp?sampieid-... Ground-W ater Information Center W ater Quality Report R e p o rt D ate: 12/4/2017 Site Name: BUTTE M INE FLO O DING OU BERKELEY PIT LAKE a m e m ia M S M a !M S E 3 d s Location Information Sample Id/Site Id: 225216 / 120678 Location (TRS): 03N 07W 18 AABC Sample Date: 11/9/2017 2:28:00 PM A.gency/ISCampl.er: MBMG/ ICOPINI, GARY/MCGRATH, Latitude/Longitude: 46 1` 1" N 112 30' 48" W Datum: NAD83 Altitude: 4615 County/State: SILVER BOW / MT Site Type: MINE Geology: 211BDBT USGS 7.5' Quad: BUTTE NORTH PWS Id: D . ... MINEFLO, MNEFLO..2Q02CDMP, MINEFLOProjea. A C n v _ECBED Field Number: BERKELEY PIT 200 FT Lab Date: 12/2/2017 1:11:57 PM Lab/Analyst: MBMG / TIMMER, JACKIE Sample Method/Handilng: GRAB / ru:0 ra :l fu:0 fa:0 Procedure Type: TOTAL RECOVERABLE Total Depth (ft): NR SWL-MP (ft): NR Depth Water Enters (ft): NR Major Ion R e sults mg/L Calcium (Ca) 474.230 Magnesium (Mg) 635.900 Sodium (Na) 72.510 Potassium (K) 10.580 Iron (Fe) 1.649 Manganese (Mn) 283.400 Silica (Si02) NR Total Cations Trace Element Results (pg/L) meq/L 23.664 52.328 3.154 0.271 0.059 10.316 147.939 mg/L Bicarbonate (HC03) NR Carbonate (C03) NR Chloride (Cl) NR Sulfate (S04) NR Nitrate (as N) NR Fluoride (F) NR Orthophosphate (as P) NR Total Anions meq/L 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 Aluminum (Al) Antimony (Sb) Arsenic (As) Barium (8a) Beryllium (Be) Boron (B) Bromide (Br) Cadmium (Cd) Cerium (Ce) 330,700.000 <1.000 U 5.540 8.250 74.880 42.200 NR 2,146.160 997.800 Cesium (Cs): Chromium (Cr): Cobalt (Co): Copper (Cu): Gallium (Ga): Lanthanum (La): Lead (Pb): Lithium (Li); Mercury (Hg): Field C h e m istry and Other Analytical Results <1,000 U 13.030 1,788.970 61,158.250 <1.000 U 265.540 19.120 314.680 NR Molybdenum (Mo): Nickel (Ni): Niobium (Nb): Neodymium (Nd): Palladium (Pd): Praseodymium (Pr): Rubidium (Rb): Silver (Ag): Selenium (Se): 4.620 J 1,367.660 <1.000 U 375.840 24.120 103.790 57.250 NR 2.3.620 Strontium (Sr): Thallium (Tl): Thorium (Tii): Tin (Sn); Titanium (Ti): Tungsten (W): Uranium (U): Vanadium (V): Zinc (Zn): Zirconium (Zr): 1,240.710 <1.000 U 26.060 <1.000 U 111.740 <1.000 U 728.420 <1.000 U 634,850.000 <1.000 u **Totai Dissolved Solids (mg/L): NR **Sum of Diss. Constituents (mg/L): NR Field Hardness as CaCOS (mg/L): NR Hardness as CaC03; 3801.52 Ammonia (mg/L) NR T.P. Hydrocarbons (pg/L) NR Field Conductivity (pmhos): 7350 Field Alkalinity as CaC03 (mg/L): NR PCP (pg/L) NR Lab Conductivity (pmhos): NR Alkalinity as CaC03 (mg/L): NR Phosphorus, TD (mg/L) <0.300 U Field pH: 4 Rvznar Stability Index: 17.548 Field Nitrate (mg/L) NR Lab pH: NR Sodium Adsorption Ratio: 0.5152 Field Dissolved 02 (mg/L) 6.230 Water Temp (C): 4.15 Langlier Saturation Index: -8.774 Field Chloride (mg/L) NR Air Temp (C): NR Nitrite (mg/L as N): NR Field Redox (mV) 661 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as OH): NR Lab, Dissolved Organic Carbon (mg/L) NR Total Kjeldahl Nitrogen (mg/L as N) NR Lab, Dissolved Inorganic Carbon (mg/L): NR Lab, Total Organic Carbon (mg/L) NR Total Nitrogen (mg/L as N) NR Acidity to 4.5 (mg/L CaC03) NR Acidity to 8.3 (mg/L CaC03) NR As(III) (ug/L) NR As(V)(ug/L) NR Tota! Susp Solids (mg/L) NR Sample Condition: CLEAR Notes Field Remarks: SAMPLES COLLECTED WITH DRONE BOAT; FE(II) = 0.05 MG/L Lab Remarks: Explanation! m g /L = milligrams per Liter; p g /L = micrograms per Liter; f t = feet; N R = No Reading in GWIC QualLfiftrs: A = Hydride atomic absorption; E = Estimated due to interference; H = Exceeded holding time; 3 = Estimated quantity above detection limit but below reporting limit; K = Na+K combined; N = Spiked sample recovery not within control limits; P = Preserved sample; S = Method of standard additions; U = Undetected quantity below detection limit; * = Dupiicate analysis not within control limits; ** = Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HC03, C03, SG4, Cl, Si02, N03, F) in mg/L. Total Dissolved Solids is reported as equivalent weight of evaporation residue. Disclaimer These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. rvT 1 Sierra Club v. EPA 18cv3472 NDCA Tier 1/Tier 2 n M . h f l n e-ad a A3 ED 002061 00114831-00009 Montana's Ground-Water Information Center (GW IC) ) Analysis Repor... http://datag\vic.mtech.edu/v6/reports/AnaiysisReport.asp?sampleid=... Ground-W ater Information Center W ater Quality Report R e p o r t Date: 12/4/2017 Site Name: BUTTE M IN E FLO O DING OU BERKELEY PIT LAKE S e m B a ia M M a t e - t e ili- gfeB a i^ Location Information Sample Id/Site Id: 225217 / 120678 Location (TRS): 03N 07W 18 AABC Sample Date: 11/9/2017 2:50:00 PM A.gency/Sampl,er: SMTBBM/GE/' ICOPINI, GARY/MCGRATH, Latitude/Longitude: 46 1' 1" N 112 30' 48" W Field Number: BERKELEY PIT 450 FT Datum: NAD83 Altitude: 4615 Lab Date: 12/2/2017 1:11:57 PM Lab/Analyst: MBMG / TIMMER, JACKIE County/State: SILVER BOW / MT Sample Method/Handling: GRAB / ru:0 ra :l fu:0 fa:0 Site Type: MINE Geology: 211BDBT Procedure Type: TOTAL RECOVERABLE Total Depth (ft): NR USGS 7.5' Quad; BUTTE NORTH SWL-MP (ft): NR PWS Id: Depth Water Enters (ft): Project; MINEFLO, MINEFLO_2002CDMP, ACTIVE-ECBED MINEFLO- Results m g/L Calcium (Ca) 469.360 Magnesium (Mg) 627.520 Sodium (Na) 73.890 Potassium (K) 10.840 Iron (Fe) 2.250 Manganese (Mn) 280.050 Silica (Si02) NR Total Cations Trace E lem en t Results Qjg/L) Aluminum (A!) 326,225.000 Antimony (Sb) <1.000 U Arsenic (As) 7.760 Barium (Ba) 8.500 Beryilium (Be) 76.740 Boron (B) 40,240 Bromide (Br) NR Cadmium (Cd) 2,082.500 Cerium (Ce) 955.250 m eq/L 23.421 51.639 3.214 0.277 0.081 10.194 146.241 Cesium (Cs): Chromium (Cr): Cobalt (Co): Copper (Cu): Gallium (Ga): Lanthanum (La): Lead (Pb): Lithium (Li): Mercury (Hg): Field Chemistry and Other Analytical R e su lts m g/L Bicarbonate (HC03) NR Carbonate (C03) NR Chloride (Cl) NR Sulfate (S04) NR Nitrate (as N) NR Fluoride (F) NR Orthophosphate (as P) NR Total Anions meq/L 0.000 0.000 0.000 0.000 0,000 0.000 0.000 0.000 <1.000 U 13.050 1,750.640 59,653.430 <1.000 U 259.900 17.330 303.880 NR Molybdenum (Mo): Nickel (Ni): Niobium (Nb): Neodymium (Nd): Palladium (Pd): Praseodymium (Pr); Rubidium <Rb): Silver (Ag): Seienium (Sa): 5.110 1,381.140 <1.000 U 373.220 26.590 99.120 56.480 NR 21.010 Strontium (Sr): Thallium (Tl): Thorium (Th); Tin (Sn): Titanium (Ti): Tungsten (W): Uranium (U): Vanadium (V): Zinc (Zn): Zirconium (Zr): 1,216.170 <1.000 U 27.480 <1.000 U 111.280 <1.000 U 703.850 <1.000 U 628,750.000 4.0601 **Total Dissolved Solids (mg/L): NR Field Hardness as CaC03 (mg/L) NR Ammonia (mg/L): NR **Sum of Diss. Constituents (mg/L): NR Hardness as CaCQ3 3754,86 T.P. Hydrocarbons (pg/L): NR Field Conductivity (pmhos): 7370 Field Alkalinity as CaC03 (mg/L) NR PCPfpg/L): NR Lab Conductivity (pmhos): NR Alkalinity as CaC03 (mg/L) NR Phosphorus, TD (mg/L): <0.300 U Field pH: 4.02 Ryznar Stability Index 17.557 Field Nitrate (mg/L): NR Lab pH: NR Sodium Adsorption Ratio 0.5255 field Dissolved 02 (mg/L): 6.250 Water Temp (C): 4.15 Langlier Saturation Index -8.778 Field Chloride (mg/L): NR Air Temp (C): NR Nitrite (mg/L as N) NR Field Redox (mV): 665 Nitrate + Nitrite (mg/L as N) NR Hydroxide (mg/L as OH) NR Lab, Dissolved Organic Carbon (mg/L): NR Total Kjeldahl Nitrogen (mg/L as N) NR Lab, Dissolved Inorganic Carbon (mg/L) NR Lab, Total Organic Carbon (mg/L): NR Total Nitrogen (mg/L as N) NR Acidity to 4.5 (mg/L CaCOB) NR Acidity to 8.3 (mg/L CaC03) NR As(III) (ug/L) NR As(V) (ug/L) NR Total Susp Solids (mg/L) NR Sample Condition: CLEAR Notes Field Remarks: SAMPLES COLLECTED WITH DRONE BOAT; FE(II) = 0.07 MG/L Lab Remarks: Explanation: mg/L = milligrams per Liter; p g / l = micrograms per Liter; ft = feet; NR = No Reading in GWIC Qualifiers: A = Hydride atomic absorption; E = Estimated due to interference; H = Exceeded holding time; 3 = Estimated quantity above detection limit but below reporting limit; K = Na+K combined; N = Spiked sample recovery not within control limits; P = Preserved sample; S = Method of standard additions; U = Undetected quantity below detection limit; * = Duplicate analysis not within control limits; * * = Sum of Dissolved Constituents is the sum of major cations (Na, Ca, K, Mg, Mn, Fe) and anions (HC03, C03, S04, Ci, SI02, NQ3, F) in mg/L, Total Dissolved Solids is reported as equivalent weight of evaporation residue. Disclaimer These data represent the contents of the GWIC databases at the Montana Bureau of Mines and Geology at the time and date of the retrieval. The information is considered unpublished and is subject to correction and review on a daily basis. The Bureau warrants the accurate transmission of the data to the original end user. Retransmission of the data to other users is discouraged and the Bureau claims no responsibility if the material is retransmitted. I n fl Sierra Club v. EPA 18cv3472 NDCA Tier 1/Tier 2 n / . r n n n o.,n * u ED 002061 00114831-00010