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www.energylab.com Helena, MT 877- 472 -0711 • Billings, MT 800 - 735 -4489 • Casper, WY 888- 235 -6515 <br />1tl1C 't Gillette, WY 866 -686 -7175 a 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 <br />Project: Schwartz GW 5/20/13 S26987 & S26988 <br />Lab ID: 013050760 -002 <br />Client Sample ID: MW -9 (S26988) <br />Analyses Result Units Qualifiers RL <br />Report Date: 06/13/13 <br />Collection Date: 05/20/13 14:30 <br />DateReceived: 05/21 /13 <br />Matrix: Aqueous <br />MCL/ <br />QCL Method Analysis Date / By <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />0.37 <br />pCi /L <br />E903.0 <br />06/11/13 13:37 / Imc <br />Radium 226 precision ( ±) <br />0.17 <br />pCi /L <br />E903.0 <br />06/11/13 13:37 / Imc <br />Radium 226 MDC <br />0.19 <br />pCi /L <br />E903.0 <br />06/11/13 13:37 / Imc <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />2000 <br />pCi /L <br />E900.0 <br />06/07/13 05:04 / Ibb <br />Gross Alpha precision ( ±) <br />21.4 <br />pCi /L <br />E900.0 <br />06/07/13 05:04 / Ibb <br />Gross Alpha MDC <br />3.4 <br />pCi /L <br />E900.0 <br />06/07/13 05:04 / Ibb <br />Gross Beta <br />409 <br />pCi /L <br />E900.0 <br />06/07/13 05:04 / Ibb <br />Gross Beta precision ( ±) <br />7.9 <br />pCi /L <br />E900.0 <br />06/07/13 05:04 / Ibb <br />Gross Beta MDC <br />4.4 <br />pCi /L <br />E900.0 <br />06/07/13 05:04 / Ibb <br />DATA QUALITY <br />A/C Balance (± 5) <br />4.47 <br />% <br />A1030 E <br />06/05/13 15:47 / kbh <br />Anions <br />14.3 <br />meq /L <br />A1030 E <br />06/05/13 15:47 / kbh <br />Cations <br />15.6 <br />meq /L <br />A1030 E <br />06/05/13 15:47 / kbh <br />Solids, Total Dissolved Calculated <br />920 <br />mg /L <br />A1030 E <br />06/05/13 15:47 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.07 <br />A1030 E <br />06/05/13 15:47 / kbh <br />FIELD PARAMETERS <br />Depth to Water <br />5.75 <br />feet <br />FIELD <br />05/19/13 14:00 / * ** <br />Field Conductivity <br />1265 <br />umhos /cm <br />FIELD <br />05/19/13 14:00 / * ** <br />Field pH <br />6.80 <br />s.u. <br />FIELD <br />05/19/13 14:00 / * ** <br />Field Temperature, C <br />9.2 <br />'C <br />FIELD <br />05/19/13 14:00 / * ** <br />Flow <br />31.5 <br />gpm <br />FIELD <br />05/19/13 14:00 <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 6 of 24 <br />