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www.mwdab.com Helena, W 877 -472 -0711 - Billings, MI 600 - 735 -4489 - Casper, WY 888 - 235 -0515 <br />w Ska IM f 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: Cotter Corporation <br />Project: Schwartz GW 05/18/13 S26985 & S26986 <br />Lab ID: 013050721 -002 <br />Client Sample ID: MW -19 (S26986) <br />Report Date: 06/11/13 <br />Collection Date: 05/18/13 12:30 <br />DateReceived : 05/20/13 <br />Matrix: Aqueous <br />MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />1.3 <br />pCi /L <br />E903.0 <br />05/28/13 23:11 / Imc <br />Radium 226 precision ( ±) <br />0.24 <br />pCi /L <br />E903.0 <br />05/28/13 23:11 / Imc <br />Radium 226 MDC <br />0.15 <br />pCi /L <br />E903.0 <br />05/28/13 23:11 / Imc <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />573 <br />pCi /L <br />E900.0 <br />06/05/13 16:32 / Ibb <br />Gross Alpha precision ( ±) <br />9.4 <br />pCi /L <br />E900.0 <br />06/05/13 16:32 / Ibb <br />Gross Alpha MDC <br />2.0 <br />pCi /L <br />E900.0 <br />06/05/13 16:32 / Ibb <br />Gross Beta <br />119 <br />pCi /L <br />E900.0 <br />06/05/13 16:32 / Ibb <br />Gross Beta precision ( ±) <br />44 <br />pCi /L <br />E900.0 <br />06/05/13 16:32 / Ibb <br />Gross Beta MDC <br />3.8 <br />pCi /L <br />E900.0 <br />06/05/13 16:32 / Ibb <br />DATA QUALITY <br />A/C Balance (± 5) <br />2.19 <br />% <br />A1030 E <br />06/05/13 15:46 / kbh <br />Anions <br />10.3 <br />meq /L <br />A1030 E <br />06/05/13 15:46 / kbh <br />Cations <br />10.8 <br />meq /L <br />A1030 E <br />06/05/13 15:46 / kbh <br />Solids, Total Dissolved Calculated <br />660 <br />mg /L <br />A1030 E <br />06/05/13 15:46 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.15 <br />A1030 E <br />06/05/13 15:46 / kbh <br />FIELD PARAMETERS <br />Depth to Water <br />15.6 <br />feet <br />FIELD <br />05/18/13 12:30 / * ** <br />Field Conductivity <br />483 <br />umhos /cm <br />FIELD <br />05/18/13 12:30 / * ** <br />Field pH <br />7.77 <br />s.u. <br />FIELD <br />05/18/13 12:30 / * ** <br />Field Temperature, C <br />6.7 <br />°C <br />FIELD <br />05/18/13 12:30 / * ** <br />Flow <br />1.98 <br />gpm <br />FIELD <br />05/18/13 12:30 / * ** <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 6 of 24 <br />