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ENERGY <br />LAF30RA of t/[ <br />0 <br />www.energylab.com C ^� Helena, MT 877 -472 -0711 • Billings, MT 800- 735 -4489 • Casper, WY 888 -235 -0515 <br />w / Exultant Since 1952 Gillette, WY 866 -686 -7175 • Rapid City, SD 888 -672 -1225 • College Station, TX 888 - 690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 06/11/12 <br />Project: Schwartz SW 5/01/12 S26376 & S26383 Collection Date: 05/01/12 12:15 <br />Lab ID: C12050084 - 002 DateReceived: 05/02/12 <br />Client Sample ID: SW - BPL (S26383) Matrix: Aqueous <br />MCL/ <br />Analyses Result Units Qualifier RL QCL Method Analysis Date / By <br />METALS - TOTAL <br />Mercury ND mg /L 0 0001 E245.1 05/17/12 12:44 / jrm <br />Molybdenum ND mg /L 0.005 E200.8 05/04/12 16:33 / smm <br />Silver 0.00042 mg /L B 0 00005 E200 8 05/04/12 17:52 / cp <br />Thallium ND mg /L 0.0002 E200.8 05/04/12 16:33 / smm <br />Uranium 0.0161 mg /L 0.0002 E200.8 05/04/12 16:33 / smm <br />Zinc ND mg/L 0.005 E200 8 05/04/12 1633 / smm <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.24 pCi /L E903.0 05/09/12 11:58 / trs <br />Radium 226 precision ( ±) 0.12 pCi/L E903.0 05/09/12 11:58 / trs <br />Radium 226 MDC 0.15 pCi /L E903.0 05/09/12 11:58 / trs <br />RADIONUCLIDES - TOTAL <br />Gross Alpha 10.3 pCi /L E900.0 06/07/12 08:24 / lbb <br />Gross Alpha precision ( ±) 1.3 pCi /L E900.0 06/07/12 08:24 / Ibb <br />Gross Alpha MDC 1.5 pCi /L E900.0 06/07/12 08.24 / lbb <br />Gross Beta 4.2 pCi/L E900.0 06/07/12 08:24 / Ibb <br />Gross Beta precision (±) 1.6 pCi /L E900 0 06/07/12 08:24 / lbb <br />Gross Beta MDC 2 6 pCi /L E900.0 06/07/12 0824 / lbb <br />Radium 226 -0.1 pCi /L U E903.0 06/06/12 07:02 / Irs <br />Radium 226 precision ( ±) 0.09 pCi /L E903 0 06/06/12 07:02 / trs <br />Radium 226 MDC 0.23 pCi /L E903.0 06/06/12 07:02 / trs <br />Radium 228 -0.2 pCi /L U RA -05 06/01/12 12.10 / gb <br />Radium 228 precision ( ±) 0.63 pCi /L RA -05 06/01/12 12:10 / gb <br />Radium 228 MDC 1.1 pCi /L RA -05 06/01/12 12.10 / gb <br />DATA QUALITY <br />A/C Balance (± 5) -2.05 % Calculation 05/14/12 06:50 / kbh <br />Anions 2 62 meq /L Calculation 05/14/12 06:50 / kbh <br />Cations 2.51 meq /L Calculation 05/14/12 06:50 / kbh <br />Solids, Total Dissolved Calculated 158 mg /L Calculation 05/14/12 06:50 / kbh <br />TDS Balance (0.80 - 1.20) 1.06 Calculation 05/14/12 06.50 / kbh <br />Report <br />Definitions: <br />RL - Analyte reporting limit. <br />QCL - Quality control limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />B - The analyte was detected in the method blank. <br />Page 7 of 29 <br />