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rim wwwAnetDab (a Helena, MT 677472-07110 Billinik AR 888-7311-11119 a Casper, Wf 888-2311- S <br />• <br />IlMiiilll ANO"Excliko +.ilw IM GI ft W !Si-W7113 • Rapid City, SO !!1-iTt-1223 • c kp Station, U 66d-991-2218 <br />LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation Report Date: 11/22/10 <br />Project: Schwartzwalder Water Monitoring Program SW Collection Date: 10/12/10 12:10 <br />Lab ID: C10100592-001 DateReceived: 10/14/10 <br />Client Sample ID: SW AWD (S25270) Matrix: Aqueous <br /> <br />Analyses <br />Result <br />Units MCL/ <br />Qualifiers RL QCL Method <br />Analysts Date / By <br />METALS-TOTAL <br />Molybdenum ND mg/L 0.005 E200.8 11/02/10 22:12 / sml <br />Silver ND mg/L 0.00005 E200.8 11/02/10 22:12 / sml <br />Thallium ND mg/L 0.0002 E200.8 11/02/10 22:12 / sml <br />Uranium 0.0038 mg/L 0.0002 E200.8 11/05/10 23:41 / sml <br />Zinc ND mg/L 0.005 E200.8 11102/10 22:12 / smi <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 -0.02 pCi/L U E903.0 10/27/1014:56 / trs <br />Radium 226 precision (±) 0.11 pCi/L E903.0 10127/10 14:56 / trs <br />Radium 226 MDC 0.20 pCi/L E903.0 10/27/1014:56 / trs <br />RADIONUCLIDES - TOTAL <br />Gross Alpha -0.6 pCi/L U E900.0 11/09/10 03:49 / ep <br />Gross Alpha precision (±) 1.5 pCi/L E900.0 11/09/10 03:49 / ep <br />Gross Alpha MDC 2.6 pCi/L E900.0 11/09/10 03:49 / ep <br />Gross Beta 3.2 pCi/L E900.0 11/09/10 03:49 / ep <br />Gross Beta precision (±) 1.5 pCi/L E900.0 11/09/10 03:49 / ep <br />Gross Beta MDC 2.4 pCi/L E900.0 11/09/10 03:49 / ep <br />Radium 226 0.22 pCi/L E903.0 11/09/1000:21 /jb <br />Radium 226 precision (±) 0.11 pCi/L E903.0 11/09/10 00:21 / jb <br />Radium 226 MDC 0.12 pCUL E903.0 11/09/10 00:21 /jb <br />Radium 228 0.69 pCUL U RA-05 11/03/1010:16 / jb <br />Radium 228 precision (±) 1.2 pCUL RA-05 11/03/1010:16 / jb <br />Radium 228 MDC 2.0 pCUL RA-05 11/03/10 10:16 / jb <br />DATA QUALITY <br />A/C Balance (± 5) -1.96 % Calculation 11/12/10 10:14 ! kbh <br />Anions 3.79 meq/L Calculation 11112/10 10:141 kbh <br />Cations 3.64 meq/L Calculation 11/12/10 10:141 kbh <br />Solids, Total Dissolved Calculated 217 mg/L Calculation 11/12/1010:14 / kbh <br />TDS Balance (0.80 - 1.20) 1.04 Calculation 11/12/1010:14 / kbh <br />FIELD PARAMETERS <br />Conductivity 359 umhos/cm FIELD 10/12/10 12:10 /'-' <br />pH 7.45 s.u. FIELD 10/12/10 12:10 / `-- <br />Temperature 8.7 OC FIELD 10/12/1012:101 <br />"' Performed by Sampler <br />Report RL - Analyte reporting limit. MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentratio n U - Not detected at minimum detectable concentration <br />Page 4 of 36