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NMW.aler®rlab.wm <br />A~ Ends= Slrea felt <br />Helena, MT 877472-0711 • Billings, MT 800-7354418 • Casper, WY NO-235-0515 <br />Gillette, WY 508-085-7175 • Rapid City, SD 581-572-1225 • College Station, TX 818-691-2215 <br />LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation Report Date: 08/26/10 <br />Project: Schwartzwalder Water Monitoring Program Collection Date: 07/28/10 14:05 <br />Lab ID: C10071062-002 DateReceived: 07/29/10 <br />Client Sample ID: SW-BPL (S25402) Matrix: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br /> <br />METALS - TOTAL <br />Phosphate as P ND mg/L 0.1 E200.7 08106/10 21:01 / cp <br />Silver ND mg/L 0.001 E200.8 08/05/10 17:48 / sml <br />Thallium ND mg/L 0.001 E200.8 08/05/10 17:48 / sml <br />Uranium 0.372 mg/L 0.0002 E200.8 08/05/10 17:48 / sml <br />Zinc ND mg/L 0.005 E200.8 08/05/10 17:48 / sml <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.64 pCi/L E903.0 08/09/10 13:47 / ep <br />Radium 226 precision (±) 0.18 pCi/L E903.0 08/09/10 13:47 / ep <br />Radium 226 MDC 0.17 pCi/L E903.0 08/09/10 13:47 / ep <br />RADIONUCLIDES - TOTAL <br />Gross Alpha 264 pCi/L E900.0 08/20/10 12:23 / ep <br />Gross Alpha precision (±) 6.5 pCi/L E900.0 08/20/10 12:23 / ep <br />Gross Alpha MDC 2.1 pCi/L E900.0 08/20/10 12:23 / ep <br />Gross Beta 96.6 pCi/L E900.0 08/20/10 12:23 / ep <br />Gross Beta precision (±) 2.7 pCi/L E900.0 08/20/10 12:23 / ep <br />Gross Beta MDC 2.5 pCi/L E900.0 08/20/10 12:23 / ep <br />Radium 226 0.73 pCi/L E903.0 08/10/10 13:02 / ep <br />Radium 226 precision (±) 0.20 pCi/L E903.0 08/10/10 13:02 / ep <br />Radium 226 MDC 0.17 pCi/L E903.0 08/10/10 13:02 / ep <br />Radium 228 0.21 pCi/L U RA-05 08/05/10 15:39 / plj <br />Radium 228 precision (±) 0.58 pCi/L RA-05 08/05/10 15:39 / plj <br />Radium 228 MDC 0.96 pCi/L RA-05 08/05/10 15:39 / plj <br />DATA QUALITY <br />A/C Balance (± 5) -2.08 % Calculation 08/06/10 08:24 / kbh <br />Anions 4.12 meq/L Calculation 08/06/10 08:24 / kbh <br />Cations 3.95 meq/L Calculation 08/06/10 08:24 / kbh <br />Solids, Total Dissolved Calculated 251 mg/L Calculation 08/06/10 08:24 / kbh <br />TDS Balance (0.80 - 1.20) 0.970 Calculation 08/06/10 08:24 / kbh <br />FIELD PARAMETERS <br />Conductivity 400 umhos/cm FIELD 07/28/10 14:05 / <br />pH 7.78 s.u. FIELD 07/28/10 14:05 / <br />Temperature 19.5 °C FIELD 07/28/10 14:05 / <br />"` Performed by Sampler <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 />U - Not detected at minimum detectable concentration <br />Page 6 of 29