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www.energyiab.com Helena, MT 877 -472 -0711 • Billings, MT 600 - 735 -4489 0 Gasper, WY 888- 235 -0515 <br />AnigytlblFxcatWWOSk' fiW Gillette, WY 866 -686 -7175 • Rapid City, SD 886- 672 -1225 • College Station, TX 888 -690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 4/11/13 S26889 <br />Lab ID: 013040486 -001 <br />Client Sample ID MW 19 (S26889) <br />Analyses <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />Gross Alpha precision ( ±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision ( ±) <br />Gross Beta MDC <br />DATA QUALITY <br />A/C Balance (± 5) <br />Anions <br />Cations <br />Solids, Total Dissolved Calculated <br />TDS Balance (0.80 - 1.20) <br />FIELD PARAMETERS <br />Depth to Water <br />Field Conductivity <br />Field pH <br />Field Temperature, C <br />Flow <br />— Field data provided by client <br />Report Date: 05/06/13 <br />Collection Date: 04/11/13 11:00 <br />Date Re c e i ved : 04/15/13 <br />Matrix: Aqueous <br />MCL/ <br />Result Units Qualifiers RL QCL Method Analysis Date / By <br />1240 pCi /L <br />E900.0 <br />04/26/13 16:24 / Ibb <br />14.7 pCi /L <br />E900.0 <br />04/26/13 16:24 / Ibb <br />2.9 pCi /L <br />E900.0 <br />04/26/13 16:24 / Ibb <br />271 pCi /L <br />E900.0 <br />04/26/13 16:24 / Ibb <br />5.9 pCi /L <br />E900.0 <br />04/26/13 16:24 / Ibb <br />3.6 pCi /L <br />E900.0 <br />04/26/13 16:24 / Ibb <br />- 0.873 % <br />A1030 E <br />04/24/13 11:13 / sdw <br />11.1 meq /L <br />A1030 E <br />04/24/13 11:13 / sdw <br />10.9 meq /L <br />A1030 E <br />04/24/13 11:13 / sdw <br />670 mg /L <br />A1030 E <br />04/24/13 11:13 / sdw <br />1.04 <br />A1030 E <br />04/24/13 11:13 / sdw <br />17.85 feet <br />FIELD <br />04/11/13 11:00 / <br />962 umhos /cm <br />FIELD <br />04/11/13 11:00 / <br />6.78 s.u. <br />FIELD <br />04/11/13 11:00 / <br />9.0 °C <br />FIELD <br />04/11/13 11:00 / <br />3.27 gpm <br />FIELD <br />04/11/13 11:00 / <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 21 <br />