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mmenergylall.com Helena, 14T 877-472-0111 . Billings, W 808-135-4489 4 Cespor, WY 888-235-0515 <br />Maly! calficeflencw Sine 1452 f Gillette, WY 866.686-7115 o Rapid City, SD 888-612-1225 o College Station, TX 888-690-2218 <br /> LABORATORY ANALYTICAL REPORT <br /> Prep ared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 01/06/11 <br />Project: Schwanzwaider Water Monitoring Program - Ground W Collection Dale: 11/23/10 10:05 <br />Lab ID: 010110899-001 DateRecefved: 11/29/10 <br />Client Sample ID: MW-3A (S25485) Matrix: Aqueous <br /> MCU <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - TOTAL <br />Gross Alpha 2560 pCVL E9D0.0 12/03/10 09:38 / ep <br />Gross Alpha precision (t} 25.8 pCi/L E900.0 12/03/10 09:38 / ep <br />Gross Alpha MDC 15 pCi/L E900.0 12/03/10 09:38 / ep <br />Gross Beta 396 pCi/L E900.0 12/03/10 09:38 / ep <br />Gross Beta precision (±) 5.0 pCi/L E900.0 12/03/10 09:38 / ep <br />Gross Beta MDC 2.6 pCi/L E900.0 12/03/10 09:38 / ep <br />DATA QUALITY <br />A/C Balance (± 5) -4.60 % Calculation 12/22/10 15:29 / kbh <br />Anions 9.53 meq/L Calculation 12/22/10 15:29 / kbh <br />Cations 8.69 meq/L Calculation 12/22/10 15:29 / kbh <br />Solids, Total Dissolved Calculated 566 mg/L Calculation 12/22/10 15:29 / kbh <br />TDS Balance (0.80 - 1.20) 1.03 Calculation 12/22/10 15:29 / kbh <br />FIELD PARAMETERS <br />Conductivity 868 umhos/cm FIELD 11/23/1010:05/ <br />Depth to Water 14.13 feet FIELD 11/23/10 10:05/ <br />Flow 0.30 gpm FIELD 11/23/1010:05/ <br />pH 7.46 s.u. FIELD 11123/10 10:05 / <br />Temperature 7.0 °C FIELD 11/23/1010:05/ <br />"' Performed by Sampler <br />Report AL - Analyle 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 23