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1 W".ewulab.com <br />Helena, MT 877- 472 -0711 - Billings, MT 800- 735 -4489 - Casper, Wy 888- 235 -0515 <br />Emilli Sm 192 <br />Gillette, WY 866 - 686 -7175 - Rapid City, SO 888- 672 -1225 <br />- College Station, TX 888- 690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report <br />Date: 06/06/13 <br />Project: Schwartz GW 5/15/13 S26918 & <br />S26919 <br />Collection <br />Date: 05/15/13 10:35 <br />Lab ID: C13050708 -001 <br />DateReceived: 05/17/13 <br />Client Sample ID: MW 17 (S26918) <br />Matrix: Aqueous <br />MCL/ <br />Analyses <br />Result <br />Units Qualifiers RL QCL <br />Method <br />Analysis Date / By <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />190 <br />pCi /L <br />E900.0 <br />06/04/13 17:36 /Ibb <br />Gross Alpha precision ( ±) <br />7.9 <br />pCi /L <br />E900.0 <br />06/04/13 17:36 / Ibb <br />Gross Alpha MDC <br />4.8 <br />pCi /L <br />E900.0 <br />06/04/13 17:36 / Ibb <br />Gross Beta <br />53.3 <br />pCi /L <br />E900.0 <br />06/04/13 17:36 / Ibb <br />Gross Beta precision ( ±) <br />4.5 <br />pCi /L <br />E900 0 <br />06/04/13 17:36 / Ibb <br />Gross Beta MDC <br />5.8 <br />pCi /L <br />E900.0 <br />06/04/13 17:36 / Ibb <br />DATA QUALITY <br />A/C Balance (± 5) <br />-0.867 <br />% <br />A1030 E <br />06/05/13 15:46 / kbh <br />Anions <br />18.8 <br />meq /L <br />A1030 E <br />06/05/13 1546 / kbh <br />Cations <br />18.5 <br />meq /L <br />A1030 E <br />06/05/13 15:46 / kbh <br />Solids, Total Dissolved Calculated <br />1200 <br />mg /L <br />A1030 E <br />06/05/13 15:46 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.11 <br />A1030 E <br />06/05/13 15:46 / kbh <br />FIELD PARAMETERS <br />Field Conductivity <br />808 <br />umhos /cm <br />FIELD <br />05/15/13 10:35 / <br />Field pH <br />7.69 <br />s.u. <br />FIELD <br />05/15/13 10:35 / <br />Field Temperature, C <br />11.6 <br />°C <br />FIELD <br />05/15/13 10:35 / <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 25 <br />