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www.energylab.com J Helena, MT 877- 472 -0711 - Billings, MT 800 - 735 -4488 - Casper, Wy 888 - 235 -0515 <br />Aeat�b/blEradrm a HOC' 19 2 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 />-1.64 % <br />A1030 E <br />Report Date: 06/06/13 <br />Project: Schwartz GW 5/15/13 <br />S26918 & <br />S26919 <br />Collection Date: 05/15/13 08:50 <br />Lab ID: C13050708 -002 <br />Cations <br />7.79 <br />DateReceived: 05/17/13 <br />Client Sample ID: MW 18 (S26919) <br />06/05/13 15:46 / kbh <br />Solids, Total Dissolved Calculated <br />Matrix: Aqueous <br />mg /L <br />A1030 E <br />06/05/13 15:46 / kbh <br />MCL/ <br />Analyses <br />Result <br />Units Qualifiers RL <br />QCL Method Analysis Date / By <br />FIELD PARAMETERS <br />RADIONUCLIDES - TOTAL <br />Field Conductivity <br />486 <br />umhos /cm <br />Gross Alpha <br />68.8 <br />pCi /L <br />E900.0 06/04/13 17:36 / Ibb <br />Gross Alpha precision ( ±) <br />3.2 <br />pCi /L <br />E900.0 06/04/13 17:36 / Ibb <br />Gross Alpha MDC <br />2.0 <br />pCi /L <br />E900.0 06/04/13 17:36 / Ibb <br />Gross Beta <br />20.0 <br />pCi /L <br />E900.0 06/04/13 17:36 / Ibb <br />Gross Beta precision ( ±) <br />2.0 <br />pCi /L <br />E900.0 06/04/13 17:36 / Ibb <br />Gross Beta MDC <br />2.7 <br />pCi /L <br />E900.0 06/04/13 17:36 / Ibb <br />DATA QUALITY <br />A/C Balance (± 5) <br />-1.64 % <br />A1030 E <br />06/05/13 1546 / kbh <br />Anions <br />8.05 <br />meq /L <br />A1030 E <br />06/05/13 15:46 / kbh <br />Cations <br />7.79 <br />meq /L <br />A1030 E <br />06/05/13 15:46 / kbh <br />Solids, Total Dissolved Calculated <br />490 <br />mg /L <br />A1030 E <br />06/05/13 15:46 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.05 <br />A1030 E <br />06/05/13 15:46 / kbh <br />FIELD PARAMETERS <br />Field Conductivity <br />486 <br />umhos /cm <br />FIELD <br />05/15/13 08:50 / <br />Field pH <br />7.49 <br />s.u. <br />FIELD <br />05/15/13 08:50 / <br />Field Temperature, C <br />11.4 <br />°C <br />FIELD <br />05/15/13 08:50 / <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 25 <br />