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www.enordab.com Helena, MT 877-412-0111 • Blllings, MT 800-735-4489 • Casper, WY 888-235-8515 <br />• _ - Aah +?fia.6ha?aShc. test Gillette, Wy 866-888-7175 • Rapid City, S0 888-872-1225 • College Station TX 888-880-2218 <br />LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation Report Date: 12/02/10 <br />Project: Schwartzwalder Water Monitoring Program - SW Collection Date: 10/27/10 14:40 <br />Lab ID: C1 0101123-001 DateReceived: 10/29/10 <br />Client Sample ID: SW FBRG (S25381) Matrix: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />METALS-TOTAL <br />Molybdenum 0.008 mg/L 0.005 E200.8 11/05/10 17:02 / sml <br />Silver ND mg/L D 0.0002 E200.8 11/05/10 17:02 / sml <br />Thallium ND mg/L 0.0002 E200.8 11/05/10 17:02 / smI <br />Uranium 0.501 mg/L 0.0002 E200.8 11/05/10 17:02 / sml <br />Zinc 0.005 mg/L 0.005 E200.8 11/05/10 17:02 / sml <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.84 pCi/L E903.0 11/11/1013:18/trs <br />Radium 226 precision (±) 0.26 pCi/L E903.0 11/11/10 13:18 / trs <br />Radium 226 MDC 0.24 pCi/L E903.0 11/11/10 13:18 / trs <br />RADIONUCLIDES - TOTAL <br />Gross Alpha 385 pCi/L E900.0 11/23/10 11:45 / ep <br />Gross Alpha precision (±) 8.8 pCi/L E900.0 11/23/10 11:45 / ep <br />Gross Alpha MDC 2.2 pCi/L E900.0 11/23/10 11:45 / ep <br />Gross Beta 140 pCi/L E900.0 11/23/10 11:45 / ep <br />Gross Beta precision (±) 3.1 pCi/L E900.0 11/23/10 11:45 / ep <br />Gross Beta MDC 2.4 pCi/L E900.0 11/23/10 11:45 / ep <br />Radium 226 0.45 pCi/L E903.0 11/24/10 11:15 / trs <br />Radium 226 precision (±) 0.17 pCi/L E903.0 11/24/10 11:15 / trs <br />Radium 226 MDC 0.18 pCi/L E903.0 11/24/10 11:15 / trs <br />Radium 228 0.32 pCi/L U RA-05 11/18/10 13:48 / plj <br />Radium 228 precision (±) 0.63 pCi/L RA-05 11/18/10 13:48 / plj <br />Radium 228 MDC 1.0 pCi/L RA-05 11/18/10 13:48 / plj <br />DATA QUALITY <br />A/C Balance (± 5) -3.32 % Calculation 11/13/10 11:05 / kbh <br />Anions 5.11 meq/L Calculation 11/13/10 11:05 / kbh <br />Cations 4.79 meq/L Calculation 11/13/10 11:05 / kbh <br />Solids, Total Dissolved Calculated 305 mg/L Calculation 11/13/10 11:05 / kbh <br />TDS Balance (0.80 - 1.20) 1.02 Calculation 11/13/10 11:05 / kbh <br />FIELD PARAMETERS <br />Conductivity 510 umhos/cm FIELD 10/27/10 14:40 / *** <br />pH 7.96 s.u. FIELD 10/27/10 14:40 / *** <br />Temperature 6.7 °C FIELD 10/27/10 14:40 / <br />*** Performed by Sampler <br />Report RL - Analyte reporting limit. <br />Definitions: 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 />D - RL increased due to sample matrix. <br />Page 4 of 37