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\ www.e weab.com Helena, MT 877472 -0711 • Billings, MT 800 - 735.4488 • Casper, WY 888 -235 -0515 <br />J Gillette, WY 866-686 -7115 • Rapid City, SO 886- 672 -1225 • College Station, TX 888-680 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 10/24/13 <br />Project: Schwartz GW 9/25/13 S27178 & S27179 Collection Date: 09/25/13 12:15 <br />Lab ID: 013091022 -001 DateReceived: 09/26/13 <br />Client Sample ID MW -15 (S27178) 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 />203 <br />pCi /L <br />E900.0 <br />10/21/13 21:35 / Ibb <br />Gross Alpha precision ( ±) <br />5.1 <br />pCi /L <br />E900.0 <br />10/21/13 21:35 / Ibb <br />Gross Alpha MDC <br />2.5 <br />pCi /L <br />E900.0 <br />10/21/13 21:35 / Ibb <br />Gross Beta <br />40.2 <br />pCi /L <br />E900.0 <br />10/21/13 21:35 / Ibb <br />Gross Beta precision ( ±) <br />2.5 <br />pCi /L <br />E900.0 <br />10/21/13 21:35 / Ibb <br />Gross Beta MDC <br />2.8 <br />pCi /L <br />E900.0 <br />10/21/13 21:35 / Ibb <br />DATA QUALITY <br />A/C Balance (± 5) <br />0.563 <br />% <br />A1030 E <br />10/07/13 07.16 / kbh <br />Anions <br />7.36 <br />meq /L <br />A1030 E <br />10/07/13 07:16 / kbh <br />Cations <br />7.44 <br />meq /L <br />A1030 E <br />10/07/13 07:16 / kbh <br />Solids, Total Dissolved Calculated <br />440 <br />mg /L <br />Al 030 E <br />10/07/13 07:16 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.50 <br />A1030 E <br />10/07/13 07:16 / kbh <br />FIELD PARAMETERS <br />Depth to Water <br />279.19 <br />feet <br />FIELD <br />09/25/13 12:15 / * ** <br />Field Conductivity <br />667 <br />umhos /cm <br />FIELD <br />09/25/13 12:15 / * ** <br />Field pH <br />8.33 <br />s.u. <br />FIELD <br />09/25/13 12:15 / * ** <br />Field Temperature, C <br />11.3 <br />°C <br />FIELD <br />09/25/13 12:15 / <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 26 <br />