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, Rapid City, SO 818-612-1225 • Gollege Station, TX 888-610-2218 <br />AaayAedFW&V1=201861 G 66?ri9 71756 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 04/25/11 <br />Project: Schwartz-GW 03/30/11 S25671 & S25672 Collection Date: 03/30/11 08:45 <br />Lab ID: C11030940-001 DateReceived: 03/31/11 <br />Client Sample ID: Sump-5 (S25671) Matrix: Aqueous <br /> <br />Analyses <br /> <br />Result <br /> <br />Units Qualifier RL MCL/ <br /> <br />QCL Method <br /> <br />Analysis Date / By <br />RADIONUCLIDES - TOTAL <br />Gross Alpha 1710 pCi/L E900.0 04/12/11 01:21 / ep <br />Gross Alpha precision (±) 20.0 pCi/L E900.0 04/12/11 01:21 / ep <br /> <br />Gross Alpha MDC <br />2.6 <br />pCi/L E900.0 04/12/11 01:21 / ep <br />Gross Beta 375 pCi/L E900.0 04/12/11 01:21 / ep <br />Gross Beta precision (±) 4.8 pCi/L E900.0 04/12/11 01:21 / ep <br />Gross Beta MDC 2.5 pCi/L E900.0 04/12/11 01:21 / ep <br />DATA QUALITY <br /> <br />Balance (± 5) <br />A/C <br />-1 <br />.1.10 % Calculation 04/12/11 12:50 /kbh <br />Anions 6. meq/L Calculation 04/12/11 12:50 / kbh <br />Cations 6.84 meq/L Calculation 04/12/11 12:50 / kbh <br />Total Dissolved Calculated <br />Solids 422 mg/L Calculation 04/12/11 12:50 / kbh <br />, <br />TDS Balance (0.80 - 1.20) <br />1.05 Calculation 04/12/11 12:50 /kbh <br />FIELD PARAMETERS <br />Depth to Water 5.55 feet FIELD 03/30/11 08:45 / <br />Field Conductivity 676 umhos/cm FIELD 03/30/11 08:45 / <br />Flow 0.50 gpm FIELD 03/30/11 08:45 / <br />pH 7.36 s.u. FIELD 03/30/11 08:45 / <br /> 6 <br />3 °C FIELD 03/30/11 08:45 <br />Temperature . <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 <br />Page 4 of 24 <br />