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www.mwoub.com Helena, MT 077 -472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 866- 235 -0515 <br />N1C''t J Gillette, WY 866 -686 -7175 • Rapid City, SO 886- 672 -1225 * College Station, TX 888 -690 -2218 <br />Analyses <br />LABORATORY ANALYTICAL REPORT <br />Units <br />Qualifiers RL <br />MCL/ <br />QCL Method <br />Prepared by Casper, WY Branch <br />METALS - TOTAL <br />meq /L <br />Client: <br />Cotter Corporation <br />Report Date: <br />09/05/13 <br />Project: <br />Schwartz SW 8/6/13 S27019 <br />Collection Date: <br />08/06/13 11:45 <br />Lab ID: <br />013080305 -001 <br />DateReceived: <br />08/07/13 <br />Client Sample ID <br />SW -AWD (S27019) <br />Matrix: <br />Aqueous <br />Analyses <br />Result <br />Units <br />Qualifiers RL <br />MCL/ <br />QCL Method <br />Analysis Date / By <br />METALS - TOTAL <br />meq /L <br />A1030 E <br />08/22/13 08:01 / kbh <br />Cations <br />3.91 <br />Silver <br />0.00007 <br />mg /L <br />0.00005 <br />E200.8 <br />08/16/13 20:44 / clm <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />08/12/13 21:49 / clm <br />Uranium <br />0.0020 <br />mg /L <br />00002 <br />E200.8 <br />08/12/13 21:49 / clm <br />Zinc <br />ND <br />mg /L <br />0.005 <br />E200 8 <br />08/12/13 21.49 / clm <br />RADIONUCLIDES - DISSOLVED <br />s.u. <br />FIELD <br />08/06/13 11:45 <br />Field Temperature, C <br />165 <br />Radium 226 <br />0.07 <br />pCi /L <br />U <br />E903.0 <br />08/20/13 10:00 / Imc <br />Radium 226 precision ( ±) <br />0.18 <br />pCi /L <br />E903.0 <br />08/20/13 10:00 / Imc <br />Radium 226 MDC <br />0.29 <br />pCi /L <br />E903.0 <br />08/20/13 10:00 / Imc <br />- See Case Narrative regarding Ra226 analysis. <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />6.2 <br />pCi /L <br />E900.0 <br />08/23/13 18:51 / Ibb <br />Gross Alpha precision ( ±) <br />1.2 <br />pCi /L <br />E900.0 <br />08/23/13 18:51 / Ibb <br />Gross Alpha MDC <br />1.5 <br />pCi /L <br />E900.0 <br />08/23/13 1851 / Ibb <br />Gross Beta <br />-0.8 <br />pCi /L <br />U <br />E900.0 <br />08/23/13 18.51 / Ibb <br />Gross Beta precision ( ±) <br />1.6 <br />pCi /L <br />E900.0 <br />08/23/13 18:51 / Ibb <br />Gross Beta MDC <br />2.7 <br />pCi /L <br />E900.0 <br />08/23/13 18:51 / Ibb <br />Radium 226 <br />0.20 <br />pCi /L <br />E903.0 <br />09/03/13 23:47 / trs <br />Radium 226 precision ( ±) <br />0.15 <br />pCi /L <br />E903.0 <br />09/03/13 23:47 / trs <br />Radium 226 MDC <br />0.20 <br />pCi /L <br />E903.0 <br />09/03/13 23:47 / trs <br />Radium 228 <br />0.43 <br />pCi /L <br />U <br />RA -05 <br />08/28/13 10:27 / plj <br />Radium 228 precision ( ±) <br />0.60 <br />pCi /L <br />RA -05 <br />08/28/13 10:27 / plj <br />Radium 228 MDC <br />0.97 <br />pCi /L <br />RA -05 <br />08/28/13 10:27 / plj <br />DATA QUALITY <br />A/C Balance (± 5) <br />1.10 <br />% <br />At 030 E <br />08/22/13 08:01 / kbh <br />Anions <br />3.82 <br />meq /L <br />A1030 E <br />08/22/13 08:01 / kbh <br />Cations <br />3.91 <br />meq /L <br />A1030 E <br />08/22/13 08:01 / kbh <br />Solids, Total Dissolved Calculated <br />230 <br />mg /L <br />A1030 E <br />08/22/13 08:01 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.24 <br />A1030 E <br />08/22/13 08.01 / kbh <br />FIELD PARAMETERS <br />Field Conductivity <br />425 <br />umhos /cm <br />FIELD <br />08/06/13 11:45 <br />Field pH <br />7.08 <br />s.u. <br />FIELD <br />08/06/13 11:45 <br />Field Temperature, C <br />165 <br />°C <br />FIELD <br />08/06/13 11:45 <br />* ** Field data provided by client <br />Report RL - Analyte reporting limit. MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration U - Not detected at minimum detectable concentration <br />Page 4 of 25 <br />