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wwwowl ylatizont J Helena, MT 877-472 -0711 • Billings, Mr 688. 7354468 • Casper, WY 886- 235.0515 <br />AN"WEW#ftW9M1JU Gillette, WY 886-666-1175 • Rapid City, SD 888- 672 -1225 • College Station, TX 888 -688 -1118 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz SW 6/6/2012 S26490- S26491 <br />Lab ID: 012060395 -002 <br />Client Sample ID: SW -BPL (S26491) <br />Analyses <br />METALS - TOTAL <br />Mercury <br />Molybdenum <br />Silver <br />Thallium <br />Uranium <br />Zinc <br />Result Units Qualifier RL <br />Report Date: 07/11/12 <br />Collection Date: 06/06/12 17:30 <br />DateReceived: 06/11/12 <br />Matrix: Aqueous <br />MCL/ <br />QCL Method <br />Analysis Date / By <br />ND <br />mg /L <br />0.0001 <br />E245.1 <br />06/12/12 12:27 / rdw <br />0.027 <br />mg /L <br />0.005 <br />E200.7 <br />06/27/12 14:30 / sf <br />ND <br />mg /L <br />D 0.00007 <br />E200.8 <br />06/22/12 14:44 / cp <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />06/22/12 14:44 / cp <br />0.0107 <br />mg /L <br />0.0002 <br />E200.8 <br />06/22/12 14:44 / cp <br />0.007 <br />mg /L <br />0.005 <br />E200.8 <br />06/22/12 14:44 / cp <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />0.28 <br />pCi /L <br />E903.0 <br />06/25/12 16:56 / trs <br />Radium 226 precision ( ±) <br />0.12 <br />pCi /L <br />E903.0 <br />06/25/12 16:56 / trs <br />Radium 226 MDC <br />0.13 <br />pCi /L <br />E903.0 <br />06/25/12 16:56 / trs <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />9.6 <br />pCi /L <br />E900.0 <br />06/16/12 20:02 / Ibb <br />Gross Alpha precision ( ±) <br />1.4 <br />pCi /L <br />E900.0 <br />06/16/12 20:02 / Ibb <br />Gross Alpha MDC <br />1.7 <br />pCi /L <br />E900.0 <br />06/16/12 20:02 / Ibb <br />Gross Beta <br />2.1 <br />pCi /L U <br />E900.0 <br />06/16/12 20:02 / Ibb <br />Gross Beta precision ( ±) <br />1.6 <br />pCi /L <br />E900.0 <br />06/16/12 20:02 / Ibb <br />Gross Beta MDC <br />2.7 <br />pCi /L <br />E900.0 <br />06/16/12 20:02 / Ibb <br />Radium 226 <br />0.37 <br />pCi /L <br />E903.0 <br />06/26/12 08:44 / trs <br />Radium 226 precision ( ±) <br />0.15 <br />pCi /L <br />E903.0 <br />06/26/12 08:44 / trs <br />Radium 226 MDC <br />0.16 <br />pCi /L <br />E903.0 <br />06/26/12 08:44 / trs <br />Radium 228 <br />0.19 <br />pCi /L U <br />RA -05 <br />06/20/12 17:41 / gb <br />Radium 228 precision ( ±) <br />0.61 <br />pCi /L <br />RA -05 <br />06/20/12 17:41 / gb <br />Radium 228 MDC <br />1.0 <br />pCi /L <br />RA -05 <br />06/20/12 17:41 / gb <br />DATA QUALITY <br />A/C Balance (± 5) <br />0.635 <br />% <br />A1030 E <br />06/22/12 06:59 / kbh <br />Anions <br />5.45 <br />meq /L <br />A1030 E <br />06/22/12 06:59 / kbh <br />Cations <br />5.52 <br />meq /L <br />A1030 E <br />06/22/12 06:59 / kbh <br />Solids, Total Dissolved Calculated <br />340 <br />mg /L <br />A1030 E <br />06/22/12 06:59 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.11 <br />A1030 E <br />06/22/12 06:59 / kbh <br />FIELD PARAMETERS <br />Field Conductivity <br />489 <br />umhos /cm <br />FIELD <br />06/06/12 17:30 / <br />Field pH <br />7.25 <br />s. u. <br />FIELD <br />06/06/12 17:30 / <br />Field Temperature, C <br />15.1 <br />°C <br />FIELD <br />06/06/12 17:30 / <br />Field data provided by client <br />Report RL - Analyte reporting limit. <br />MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. <br />ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />D - RL increased due to sample matrix. <br />U - Not detected at minimum <br />detectable <br />concentration <br />Page 6 of 28 <br />