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n www.ewoab.com Helena, MT 877472 -0711 * Billings, MT 600- 7354489 * Casper, WY 888- 235 -0515 <br />r5= tom' f 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: <br />Cotter Corporation <br />Report Date: <br />07/08/13 <br />Project: <br />Schwartz GW 6/6/2013 S26941 <br />Collection Date: <br />06/06/13 09:40 <br />Lab ID: <br />C13060270 -001 <br />DateReceived: <br />06/07/13 <br />Client Sample ID: <br />Sump -5 (S26941) <br />Matrix: <br />Aqueous <br />462 <br />pCi /L <br />MCL/ <br />06/24/13 19:15 / Ibb <br />Analyses <br />Result Units <br />Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.48 pCi /L E903.0 06/19/13 15:25 / trs <br />Radium 226 precision ( ±) 0.18 pCi /L E903.0 06/19/13 15:25 / trs <br />Radium 226 MDC 0.20 pCi /L E903.0 06/19/13 15:25 / trs <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />2570 <br />pCi /L <br />E900.0 <br />06/24/13 19:15 / Ibb <br />Gross Alpha precision ( ±) <br />23.6 <br />pCi /L <br />E900.0 <br />06/24/13 19:15 / Ibb <br />Gross Alpha MDC <br />3.3 <br />pCi /L <br />E900.0 <br />06/24/13 19:15 / Ibb <br />Gross Beta <br />462 <br />pCi /L <br />E900.0 <br />06/24/13 19:15 / Ibb <br />Gross Beta precision ( ±) <br />8.4 <br />pCi /L <br />E900.0 <br />06/24/13 19:15 / Ibb <br />Gross Beta MDC <br />4.4 <br />pCi /L <br />E900.0 <br />06/24/13 19:15 / Ibb <br />DATA QUALITY <br />A/C Balance ( ±5) <br />2.76 <br />% <br />A1030 E <br />06/21/13 07:43 / kbh <br />Anions <br />13.7 <br />meq /L <br />A1030 E <br />06/21/13 07:43 / kbh <br />Cations <br />14.4 <br />meq /L <br />A1030 E <br />06/21/13 07:43 / kbh <br />Solids, Total Dissolved Calculated <br />860 <br />mg /L <br />A1030 E <br />06/21/13 07:43 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.10 <br />gpm <br />A1030 E <br />06/21/13 07:43 / kbh <br />FIELD PARAMETERS <br />Depth to Water <br />11.21 <br />feet <br />FIELD <br />06/06/13 09:40 / "* <br />Field Conductivity <br />1247 <br />umhos /cm <br />FIELD <br />06/06/13 09:40 /' ** <br />Field pH <br />7.06 <br />s.u. <br />FIELD <br />06/06/13 09:40 <br />Field Temperature, C <br />11.3 <br />°C <br />FIELD <br />06/06/13 09:40 <br />Flow <br />15.4 <br />gpm <br />FIELD <br />06/06/13 09:40 <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 21 <br />