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• Www.enegylab.com Helena, W 877472 -0711 - Billings, MT 600 - 7354489 - Casper, WY 888- 235 -0515 <br />Sku lit Gillette, WY 866- 666 -7175 • Rapid City, SI) 888 -672 -1225 - College Station, TX 888- 690 -2218 <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />LABORATORY ANALYTICAL REPORT <br />pCi /L <br />E903.0 <br />07/01/13 09:45 / dmf <br />Prepared by Casper, WY Branch <br />0.13 <br />pCi /L <br />Client: <br />Cotter Corporation <br />Report Date: <br />07/12/13 <br />Project: <br />Schwartz - GW 06/19/13 S27006 - S27007 <br />Collection Date: <br />06/19/13 12:15 <br />Lab ID: <br />C13060719 -001 <br />Date Received: <br />06/20/13 <br />Client Sample ID: <br />MW -13 (S27006) <br />Matrix: <br />Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />0.22 <br />pCi /L <br />E903.0 <br />07/01/13 09:45 / dmf <br />Radium 226 precision ( ±) <br />0.13 <br />pCi /L <br />E903.0 <br />07/01/13 09:45 / dmf <br />Radium 226 MDC <br />0.16 <br />pCi /L <br />E903.0 <br />07/01/13 09:45 / dmf <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />37.6 <br />pCi /L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />Gross Alpha precision ( ±) <br />2.3 <br />pCi /L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />Gross Alpha MDC <br />2.0 <br />pCi /L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />Gross Beta <br />9.4 <br />pCi /L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />Gross Beta precision ( ±) <br />1.9 <br />pCi /L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />Gross Beta MDC <br />2.8 <br />pCi /L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />DATA QUALITY <br />A/C Balance (± 5) <br />-0.340 <br />% <br />A1030 E <br />07/01/13 07:23 / kbh <br />Anions <br />4.99 <br />meq /L <br />A1030 E <br />07/01/13 07:23 / kbh <br />Cations <br />4.95 <br />meq /L <br />A1030 E <br />07/01/13 07:23 / kbh <br />Solids, Total Dissolved Calculated <br />300 <br />mg /L <br />A1030 E <br />07/01/13 07:23 / kbh <br />TDS Balance (0.80 - 1.20) <br />0.980 <br />A1030 E <br />07/01/13 07:23 / kbh <br />FIELD PARAMETERS <br />Field Conductivity <br />476 <br />umhos /cm <br />FIELD <br />06/19/13 12:15 / "* <br />Field pH <br />7.38 <br />s.u. <br />FIELD <br />06/19/13 12:15 <br />Field Temperature, C <br />9.7 <br />°C <br />FIELD <br />06/19/13 12:15 <br />* ** Field data provided by client <br />Report RL - Analyte 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 />Page 4 of 23 <br />