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www.ew6ob.com Helena, W 677- 472 -0711 • Billings, W 800- 735 -4489 * Casper, WY 888- 235 -0515 <br />An6ft lEttah= Sm 1951 Gillette, WY 866 -666 -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 Report Date: 07/12/13 <br />Project: Schwartz GW 6/18/13 S27005 Collection Date: 06/18/13 13:00 <br />Lab ID: C13060672 -001 DateReceived: 06/19/13 <br />Client Sample ID: MW -19 (S27005) Matrix: Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />1.7 <br />pCi /L <br />E903.0 <br />06/27/13 11:55 / dmf <br />Radium 226 precision ( ±) <br />0.29 <br />pCi /L <br />E903.0 <br />06/27/13 11:55 / dmf <br />Radium 226 MDC <br />0.19 <br />pCi /L <br />E903.0 <br />06/27/13 11:55 / dmf <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />1490 <br />pCi /L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />Gross Alpha precision ( ±) <br />18.2 <br />pCi /L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />Gross Alpha MDC <br />4.5 <br />pCi /L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />Gross Beta <br />370 <br />pCi /L <br />E900 0 <br />07/03/13 20:25 / Ibb <br />Gross Beta precision ( ±) <br />7.7 <br />pCi/L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />Gross Beta MDC <br />4.9 <br />pCi /L <br />E900.0 <br />07/03/13 20:25 / Ibb <br />DATA QUALITY <br />A/C Balance ( ±5) <br />0.939 <br />% <br />A1030 E <br />07/01/13 07:20 / kbh <br />Anions <br />14.5 <br />meq /L <br />A1030 E <br />07/01/13 07:20 / kbh <br />Cations <br />14.8 <br />meq /L <br />A1030 E <br />07/01/13 07.20 / kbh <br />Solids, Total Dissolved Calculated <br />900 <br />mg /L <br />At 030 E <br />07/01/13 07:20 / kbh <br />TDS Balance (0.80 - 1.20) <br />1 06 <br />A1030 E <br />07/01/13 07:20 / kbh <br />FIELD PARAMETERS <br />Depth to Water <br />17.76 <br />feet <br />FIELD <br />06/18/13 13:00 <br />Field Conductivity <br />1235 <br />umhos /cm <br />FIELD <br />06/18/13 13:00 <br />Field pH <br />7.00 <br />s.u. <br />FIELD <br />06/18/13 13:00 <br />Field Temperature, C <br />12.3 <br />°C <br />FIELD <br />06/18/13 13:00 <br />Flow <br />2.97 <br />gpm <br />FIELD <br />06/18/13 13:00 <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 22 <br />