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www.enerdab.com I Helena, MT 877- 472 -0711 • Billings, MY 800- 735 -4409 • Casper, WY 888- 235 -0515 <br />'�W Aw' It Gillette, WY 866 -686 -7175 • Rapid City, SD 888- 672 -1225 • College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz -GW 9/4/14 S27662 <br />Analyte Count Result Units <br />Method: E300.0 <br />Report Date: 09/24/14 <br />Work Order: C14090228 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Analytical Run: IC2- C_140909A <br />Lab ID: CCV090914 -3 2 Continuing Calibration Verification Standard 09/09/14 19:39 <br />Chloride 9.92 mg /L 1.0 99 90 110 <br />Sulfate 39.8 mg /L 1.0 100 90 110 <br />Method: <br />E300.0 <br />100 <br />90 110 <br />100 <br />Lab ID: <br />ICB <br />2 <br />Method Blank <br />90 110 <br />Chloride <br />90 110 <br />11:31 <br />ND mg /L <br />0.01 <br />Sulfate <br />100 <br />90 110 <br />0.1 mg /L <br />0.03 <br />Lab ID: <br />LFBO90914 -1 <br />2 <br />Laboratory Fortified Blank <br />20:31 <br />Chloride <br />09/09/14 <br />9.95 mg /L <br />1.0 <br />Sulfate <br />20 <br />40.0 mg /L <br />1.0 <br />Lab ID: <br />LFBD090914 -1 <br />2 <br />Laboratory Fortified Blank Duplicate <br />Chloride <br />10.0 mg /L <br />1.0 <br />Sulfate <br />40.4 mg /L <br />1.0 <br />Lab ID: <br />C14090224- 001AMS <br />2 <br />Sample Matrix Spike <br />Chloride <br />24.1 mg /L <br />1.0 <br />Sulfate <br />97.2 mg /L <br />1.0 <br />Lab ID: <br />014090224- 001AMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Chloride <br />24.1 mg /L <br />1.0 <br />Sulfate <br />97.6 mg /L <br />1.0 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Run: IC2 -C 140909A <br />ND - Not detected at the reporting limit. <br />Run: IC2- C_140909A <br />100 <br />90 110 <br />100 <br />90 110 <br />Run: IC2- C_140909A <br />101 <br />90 110 <br />101 <br />90 110 <br />11:31 <br />Run: IC2- C_140909A <br />102 <br />90 110 <br />100 <br />90 110 <br />1.0 <br />Run: IC2- C_140909A <br />102 <br />90 110 <br />101 <br />90 110 <br />ND - Not detected at the reporting limit. <br />Page 9 of 14 <br />Batch: R190930 <br />09/09/14 <br />10:39 <br />09/09/14 <br />11:14 <br />09/09/14 <br />11:31 <br />1.0 <br />20 <br />1.0 <br />20 <br />09/09/14 <br />20:31 <br />09/09/14 <br />20:49 <br />0.3 <br />20 <br />0.4 <br />20 <br />Page 9 of 14 <br />