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• www.ene dab.com ?` <br />e n Mt 877-472-0711 • Billings, hft 800-735-4189 • Casper WY 888-235-0515 <br />Aa*WE&j9Wa Sim Im 86 86 ,7175 • Rapid city, sD 888-672-1225 • College Station, A 888-698.2218 <br /> LABORATORY AN ALYTICAL REPORT <br /> Prep ared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 03/28/11 <br />Project: Schwartz GW 02/25/11 S25622 Collection Date: 02/25/11 09:10 <br />Lab ID: C1 1020751 -001 DateReceived: 02/28/11 <br />Client Sample ID: Sump 1 (S25622) Matrix: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - TOTAL <br />Gross Alpha 4260 pCi/L E900.0 03/11/11 09:14 / ep <br />Gross Alpha precision (±) 40.6 pCi/L E900.0 03/11/11 09:14 / ep <br />Gross Alpha MDC 4.3 pCi/L E900.0 03/11/11 09:14 / ep <br />Gross Beta 747 pCi/L E900.0 03/11/11 09:14 / ep <br />Gross Beta precision (±) 8.5 pCi/L E900.0 03/11/11 09:14 / ep <br />Gross Beta MDC 3.9 pCi/L E900.0 03/11/11 09:14 / ep <br />DATA QUALITY <br />A/C Balance (± 5) -5.00 % Calculation 03/16/11 14:02 / kbh <br />Anions 13.2 meq/L Calculation 03/16/11 14:02 / kbh <br />Cations 11.9 meq/L Calculation 03/16/11 14:02 / kbh <br />Solids, Total Dissolved Calculated 790 mg/L Calculation 03/16/11 14:02 / kbh <br />TDS Balance (0.80 - 1.20) 1.04 Calculation 03/16/11 14:02 / kbh <br />FIELD PARAMETERS <br />Conductivity 1124 umhos/cm FIELD 02/25/11 09:10 / <br />Depth to Water 2.20 feet FIELD 02/25/11 09:10 / <br />Flow 25 gpm FIELD 02/25/11 09:10 / <br />pH 7.12 s.u. FIELD 02/25/11 09:10 / <br />Temperature 6.0 °C FIELD 02/25/11 09:10 / <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 />Page 4 of 20 <br />