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www.ffwoab.com <br />h2b".EYAUMZkea;fJ12 <br />ill • Billings, A(f 060-735-4489 • Caper, <br />l.d,C ly, SD 8OB-672-1225 • College Station, <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 04/01/11 <br />Project: Schwartz SW 03/01/ 11 S25651-S25658 Collection Date: 03/01/11 11:15 <br />Lab ID: C1 1030134-001 DateReceived: 03/03/11 <br />Client Sample ID: SW AWD (S25651) Matrix: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />METALS-TOTAL <br />Mercury ND mg/L 0.0001 E245.1 03/14/11 16:08 / rdw <br />Molybdenum ND mg/L 0.005 E200.8 03/16/11 00:06 / sml <br />Silver ND mg/L 0.00005 E200.8 03/16/11 00:06 / sml <br />Thallium ND mg/L 0.0002 E200.8 03/16/11 00:06 / sml <br />Uranium 0.0022 mg/L 0.0002 E200.8 03/16/11 00:06 / sml <br />Zinc ND mg/L 0.005 E200.8 03/16/11 00:06 / sml <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.09 pCi/L U E903.0 03/14/11 22:15 / dmf <br />Radium 226 precision (±) 0.11 pCi/L E903.0 03/14/11 22:15 / dmf <br />Radium 226 MDC 0.16 pCi/L E903.0 03/14/11 22:15 / dmf <br />RADIONUCLIDES - TOTAL <br />Gross Alpha 0.1 pCi/L U E900.0 03/18/11 00:14 / ep <br />Gross Alpha precision (±) 1.1 pCi/L E900.0 03/18/11 00:14 / ep <br />Gross Alpha MDC 1.9 pCi/L E900.0 03/18/11 00:14 / ep <br />Gross Beta -5 pCi/L U E900.0 03/18/11 00:14 / ep <br />Gross Beta precision (±) 1.5 pCi/L E900.0 03/18/11 00:14 / ep <br />Gross Beta MDC 2.7 pCi/L E900.0 03/18/11 00:14 / ep <br />Radium 226 0.27 pCi/L E903.0 03/21/11 15:09 / trs <br />Radium 226 precision (±) 0.13 pCi/L E903.0 03/21/11 15:09 / trs <br />Radium 226 MDC 0.14 pCi/L E903.0 03/21/11 15:09 / trs <br />Radium 228 0.55 pCi/L U RA-05 03/16/11 12:21 / plj <br />Radium 228 precision (±) 0.81 pCi/L RA-05 03/16/11 12:21 / plj <br />Radium 228 MDC 1.3 pCi/L RA-05 03/16/11 12:21 / plj <br />DATA QUALITY <br />A/C Balance (± 5) -2.49 % Calculation 03/16/11 15:02 / kbh <br />Anions 2.91 meq/L Calculation 03/16/11 15:02 / kbh <br />Cations 2.77 meq/L Calculation 03/16/11 15:02 / kbh <br />Solids, Total Dissolved Calculated 172 mg/L Calculation 03/16/11 15:02 / kbh <br />TDS Balance (0.80 - 1.20) 1.05 Calculation 03/16/11 15:02 / kbh <br />FIELD PARAMETERS <br />Conductivity 297 umhos/cm FIELD 03/01/11 11:15 / *** <br />pH 7.35 s.u. FIELD 03/01/11 11:15 / *** <br />Temperature 2.1 °C FIELD 03/01/11 11:15 / *** <br />*** Performed by Sampler <br /> <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 concentration U - Not detected at minimum detectable concentration <br />Page 5 of 43 <br />