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www.enerdab.com Helena, MT 811- 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888 - 235 -0515 <br />TM Aed�laff eSamce Uf1 Gillette, WY 866 -686 -7175 • Rapid City, so 886 -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 />07/16/13 <br />Project: <br />Schwartz GW 6/20/1 S27008 & S2009 <br />Collection Date: <br />06/20/13 11:15 <br />Lab ID: <br />013060813 -001 <br />DateReceived: <br />06/21 /13 <br />Client Sample ID: <br />MW -17 (S27008) <br />Matrix: <br />Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />0.67 <br />pCi /L <br />E903.0 <br />07/02/13 23:48 / rdw <br />Radium 226 precision ( ±) <br />0.19 <br />pCi /L <br />E903.0 <br />07/02/13 23:48 / rdw <br />Radium 226 MDC <br />0.17 <br />pCi /L <br />E903.0 <br />07/02/13 23:48 / rdw <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />118 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Alpha precision ( ±) <br />6.1 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Alpha MDC <br />3.7 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Beta <br />37.1 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Beta precision ( ±) <br />4.7 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Beta MDC <br />6.5 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />DATA QUALITY <br />A/C Balance ( ±5) <br />2.61 <br />% <br />A1030 E <br />07/01/13 07:26 / kbh <br />Anions <br />19.0 <br />meq /L <br />A1030 E <br />07/01/13 07:26 / kbh <br />Cations <br />20.0 <br />meq /L <br />A1030 E <br />07/01/13 07:26 / kbh <br />Solids, Total Dissolved Calculated <br />1200 <br />mg /L <br />A1030 E <br />07/01/13 07:26 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.09 <br />A1030 E <br />07/01/13 07:26 / kbh <br />FIELD PARAMETERS <br />Depth to Water <br />29.85 <br />feet <br />FIELD <br />06/20/13 11:15 / — <br />Field Conductivity <br />1669 <br />umhos /cm <br />FIELD <br />06/20/13 11:15 / — <br />Field pH <br />7.60 <br />s.u. <br />FIELD <br />06/20/13 11:15 / — <br />Field Temperature, C <br />10.8 <br />'C <br />FIELD <br />06/20/13 11:15 / <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 23 <br />