Laserfiche WebLink
\ www.erwg4ab.com Helena, MT 877- 472 -0711 - Billings, MT 800 -735 -4489 - Casper, wY 868 -235 -0515 <br />Gillette, WY 866 -666 -7175 - Rapid City, SO 886 -672 -1225 - College Station, T% 880 - 690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 07/17/13 S27046 - S27047 <br />Lab ID: C13070682 -002 <br />Client Sample ID MW -15 (S27047) <br />Analyses Result Units Qualifiers RL <br />Report Date: 08/20/13 <br />Collection Date: 07/17/13 09:25 <br />DateReceived: 07/18/13 <br />Matrix: Aqueous <br />MCL/ <br />QCL Method Analysis Date / By <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />246 pCi /L <br />E900.0 <br />07/30/13 18:46 / Ibb <br />Gross Alpha precision ( ±) <br />5.4 pCi /L <br />E900.0 <br />07/30/13 18:46 / Ibb <br />Gross Alpha MDC <br />1.9 pCi /L <br />E900.0 <br />07/30/13 18:46 / Ibb <br />Gross Beta <br />24.6 pCi /L <br />E900.0 <br />07/30/13 18:46 / Ibb <br />Gross Beta precision ( ±) <br />2.4 pCi /L <br />E900.0 <br />07/30/13 18:46 / Ibb <br />Gross Beta MDC <br />2.8 pCi /L <br />E900.0 <br />07/30/13 18:46 / Ibb <br />DATA QUALITY <br />A/C Balance (± 5) <br />0.362 % <br />A1030 E <br />08/02/13 16:12 / sdw <br />Anions <br />7.15 meq /L <br />A1030 E <br />08/02/13 16:12 / sdw <br />Cations <br />7.20 meq /L <br />A1030 E <br />08/02/13 16:12 / sdw <br />Solids, Total Dissolved Calculated <br />430 mg /L <br />A1030 E <br />08/02/13 16:12 / sdw <br />TDS Balance (0.80 - 1.20) <br />0.980 <br />A1030 E <br />08/02/13 16:12 / sdw <br />FIELD PARAMETERS <br />Depth to Water <br />71.568 feet <br />FIELD <br />07/17/13 09:25 <br />Field Conductivity <br />676 umhos /cm <br />FIELD <br />07/17/13 09:25 <br />Field pH <br />8.35 s.u. <br />FIELD <br />07/17/13 09:25 <br />Field Temperature, C <br />11.3 °C <br />FIELD <br />07/17/13 09:25 <br />* ** Field data provided by client <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 6 of 24 <br />