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www.enereab.com Helena, MT 877472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888 -235 -0515 <br />A- IM2 Gillette, WY 866 -686 -7175 • Rapid City, SO 888 -672 -1225 • College Station, TX 888 -690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 07/16/13 <br />Project: Schwartz GW 6/23/13 S26948 Collection Date: 06/23/13 11:30 <br />Lab ID: C13060891 -001 DateReceived: 06/25/13 <br />Client Sample ID: MW -20 (S26948) Matrix: Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />0.60 <br />pCi /L <br />E903.0 <br />07/03/13 15:39 / dmf <br />Radium 226 precision ( ±) <br />0.19 <br />pCi /L <br />E903.0 <br />07/03/13 15:39 / dmf <br />Radium 226 MDC <br />0.19 <br />pCi /L <br />E903.0 <br />07/03/13 15:39 / dmf <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />816 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Alpha precision ( ±) <br />12.4 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Alpha MDC <br />3.9 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Beta <br />127 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Beta precision ( ±) <br />5.0 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Beta MDC <br />4.3 <br />pCi /L <br />E900 0 <br />07/04/13 09:10 / Ibb <br />DATA QUALITY <br />A/C Balance (± 5) <br />-0.704 <br />% <br />A1030 E <br />07/03/13 10:06 / kbh <br />Anions <br />11.2 <br />meq /L <br />A1030 E <br />07/03/13 10:06 / kbh <br />Cations <br />11.0 <br />meq /L <br />A1030 E <br />07/03/13 10:06 / kbh <br />Solids, Total Dissolved Calculated <br />620 <br />mg /L <br />A1030 E <br />07/03/13 10:06 / kbh <br />TDS Balance (0.80 - 1.20) <br />0.990 <br />A1030 E <br />07/03/13 10:06 / kbh <br />FIELD PARAMETERS <br />Depth to Water <br />51.9 <br />feet <br />FIELD <br />06/23/13 11:30 <br />Field Conductivity <br />973 <br />umhos /cm <br />FIELD <br />06/23/13 11:30 <br />Field pH <br />7.20 <br />s.0 <br />FIELD <br />06/23/13 11:30 <br />Field Temperature, C <br />15.4 <br />°C <br />FIELD <br />06/23/13 11:30 <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 4 of 20 <br />