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www.eno#ab.com <br />MENOM <br />ONEE <br />,, 1Rz0711 • s ,,MT 880-7354469 • Casper, iYY 888-235-8515 <br />Aea(/tlctlEeaSgc/JAft <br />pid city, 5D888 672=_1225 • College$(4tipp, TX 898=690-2218 <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 04/20/11 <br />Project: Schwartz-SW 3/22/11 S25636-S25643 Collection Date: 03/22/11 13:10 <br />Lab ID: C11030702-007 DateReceived: 03/23/11 <br />Client Sample ID: SW GS (S25642) Matri x: 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 03/25/11 14:40 / rdw <br />Molybdenum ND mg/L 0.005 E200.8 03/30/11 15:32 / sml <br />Silver ND mg/L 0.00005 E200.8 03/30/11 15:32 / sml <br />Thallium ND mg/L 0.0002 E200.8 03/30/11 15:32 / sml <br />Uranium 0.102 mg/L 0.0002 E200.8 03/30/11 15:32 / sml <br />Zinc ND mg/L 0.005 E200.8 03/30/11 15:32 / sml <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.49 pCi/L E903.0 03/30/11 10:25 / trs <br />Radium 226 precision (±) 0.15 pCi/L E903.0 03/30/11 10:25 / trs <br />Radium 226 MDC 0.11 pCi/L E903.0 03/30/11 10:25 / trs <br />RADIONUCLIDES - TOTAL <br />Gross Alpha 79.7 pCi/L E900.0 03/31/11 04:04 / ep <br />Gross Alpha precision (±) 3.7 pCi/L E900.0 03/31/11 04:04 / ep <br />Gross Alpha MDC 1.7 pCi/L E900.0 03/31/11 04:04 / ep <br />Gross Beta 17.3 pCi/L E900.0 03/31/11 04:04 / ep <br />Gross Beta precision (±) 1.8 pCi/L E900.0 03/31/11 04:04 / ep <br />Gross Beta MDC 2.5 pCi/L E900.0 03/31/11 04:04 / ep <br />Radium 226 0.20 pCi/L E903.0 04/11/11 11:15 / trs <br />Radium 226 precision (±) 0.12 pCi/L E903.0 04/11/11 11:15 / trs <br />Radium 226 MDC 0.15 pCi/L E903.0 04/11/11 11:15 / trs <br />Radium 228 -0.2 pCi/L U RA-05 04/05/11 11:16 / plj <br />Radium 228 precision (±) 0.70 pCi/L RA-05 04/05/11 11:16 / plj <br />Radium 228 MDC 1.2 pCi/L RA-05 04/05/11 11:16 / plj <br />DATA QUALITY <br />A/C Balance (± 5) -2.19 % Calculation 04/07/11 11:40 / kbh <br />Anions 3.59 meq/L Calculation 04/07/11 11:40 / kbh <br />Cations 3.43 meq/L Calculation 04/07/11 11:40 / kbh <br />Solids, Total Dissolved Calculated 214 mg/L Calculation 04/07/11 11:40 / kbh <br />TDS Balance (0.80 - 1.20) 1.05 Calculation 04/07/11 11:40 / kbh <br />FIELD PARAMETERS <br />Conductivity 351 umhos/cm FIELD 03/22/11 13:10 / - <br />pH 7.80 s.u. FIELD 03/22/11 13:10 / - <br />Temperature 5.2 °C FIELD 03/22/11 13:10 / <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 concentration U - Not detected at minimum detectable concentration <br />Page 10 of 38 <br />. ? . ? ?.,?„6;?,:,;«?hf.--?aa?.?.. •. _?? :?tierc?.-... - K,:? ,..:. , .r. _ w?.a...- a ?:..: _ a?..?+-?.,_ -