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• www.ererdeb.com ( Helena, MT 877- 472 -0711 • Billings, MT 600- 735-4489 • Casper, WY 888- 235 -0515 <br />"tit J Gillette, WY 866 -686 -7175 • Rapid City, SO 888 -672 -1225 • College Station, T% 888 -690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 07/16/13 <br />Project: Schwartz GW 6/20/1 S27008 & S2009 Collection Date: 06/20/13 13:20 <br />Lab ID: C13060813 -002 DateReceived: 06/21/13 <br />Client Sample ID: MW -18 (S27009) Matrix: Aqueous <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />56.8 <br />pCi /L <br />MCL/ <br />07/04/13 09:10 / Ibb <br />Analyses <br />Result <br />Units <br />Qualifiers RL QCL Method <br />Analysis Date / By <br />Gross Alpha MDC <br />2.4 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />RADIONUCLIDES - DISSOLVED <br />16.7 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Radium 226 <br />0 81 <br />pCi /L <br />E903.0 <br />07/02/13 23:48 / rdw <br />Radium 226 precision ( ±) <br />0.21 <br />pCi /L <br />E903.0 <br />07/02/13 23:48 / rdw <br />Radium 226 MDC <br />0.18 <br />pCi /L <br />E903.0 <br />07/02/13 23:48 / rdw <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />56.8 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Alpha precision ( ±) <br />3.0 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Alpha MDC <br />2.4 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Beta <br />16.7 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Beta precision ( ±) <br />2.0 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />Gross Beta MDC <br />2.8 <br />pCi /L <br />E900.0 <br />07/04/13 09:10 / Ibb <br />DATA QUALITY <br />A/C Balance ( ±5) <br />1.58 % <br />A1030 E <br />07/01/13 07:26 / kbh <br />Anions <br />7.79 <br />meq /L <br />A1030 E <br />07/01/13 07:26 / kbh <br />Cations <br />8.04 <br />meq /L <br />A1030 E <br />07/01/13 07:26 / kbh <br />Solids, Total Dissolved Calculated <br />490 <br />mg /L <br />A1030 E <br />07/01/13 07:26 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.02 <br />A1030 E <br />07/01/13 07:26 / kbh <br />FIELD PARAMETERS <br />Field Conductivity <br />753 <br />umhos /cm <br />FIELD <br />06/20/13 13:20 / <br />Field pH <br />7.84 <br />s.u. <br />FIELD <br />06/20/13 13:20 <br />Field Temperature, C <br />12.6 <br />'C <br />FIELD <br />06/20/13 13:20 <br />Field data provided by client <br />Report RL - Analyte reporting limit. <br />MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit <br />ND - Not detected at the reporting <br />limit. <br />MDC - Minimum detectable concentration <br />Page 6 of 23 <br />