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Client: <br />Project: <br />Lab ID: <br />Client Sample ID <br />Analyses <br />METALS - TOTAL <br />wwwxerzdsb.com Helena, MT 877 -472 -0711 - Billings, W 800- 735 -4382 - Casper, WY 868- 235 -9515 <br />AuWWEvA%wSk"'ff2 f Gillette, WY 866486 -7175 - Rapid City, So 888 -672 -1225 - College Station, TX 888-690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Cotter Corporation <br />Schwartz SW 8/6/13 S27019 <br />C13080305-001 <br />SW -AWD (S27019) <br />Report Date: 09/05/13 <br />Collection Date: 08/06/13 11:45 <br />Date R ece ived : 08/07/13 <br />Matrix: Aqueous <br />MCL/ <br />Result Units Qualifiers RL QCL Method Analysis Date / By <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 />0.0002 <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 />Gross Beta MDC <br />2.7 <br />pCi /L <br />E900.0 <br />08/23/13 18:51 / Ibb <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 />09/03/13 23:47 / trs <br />E903.0 <br />08/20/13 10:00 / Imc <br />Radium 226 MDC <br />0.29 <br />pCi /L <br />Radium 228 <br />E903.0 <br />08/20/13 10:00 / Imc <br />- See Case Narrative regarding Ra226 analysis. <br />08/28/13 10:27 / plj <br />Radium 228 precision ( ±) <br />0.60 <br />pCi /L <br />RA -05 <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 18.51 / Ibb <br />Gross Beta <br />-0.8 <br />pCi /L 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 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 / ply <br />DATA QUALITY <br />A/C Balance (± 5) <br />1.10 <br />% <br />A1030 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 />16.5 <br />°C <br />FIELD <br />08/06/13 11:45 <br />* ** Field data provided by client <br />Report RL - Analyle reporting limit. <br />Definitions: QCL - Quality control limit. <br />MDC - Minimum detectable concentration <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />U - Not detected at minimum detectable concentration <br />Page 4 of 25 <br />