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www.emzgab.com Helena, MT 877- 472 -0711 a Billings, MT 600 - 7354469 a Casper, WY 888 -235 -0515 <br />'lea "aOwh °' Suer Il52 Gillette, WY 866 -BB6 -7175 a Rapid City, SD BBB -672 -1225 a College Station, TX 886 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />E300.0 <br />Report Date: <br />12/03/13 <br />Project: Schwartz SW 11/06/13 S27254 <br />Work Order: <br />C13110376 <br />Analyte <br />Count Result Units RL %REC Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E300.0 <br />Analytical Run: IC2- C_131112A <br />Sample ID: CCV- 111113 -2 <br />2 Continuing Calibration Verification Standard <br />101 <br />11/11/13 21:57 <br />Chloride <br />9.96 mg /L 1.0 100 90 <br />110 <br />LFB- 111113 <br />Sulfate <br />39.5 mg /L 1.0 99 90 <br />110 <br />Chloride <br />Method: <br />E300.0 <br />11/11/13 17:18 <br />100 <br />Sample ID: <br />ICB- 111113 <br />2 <br />Method Blank <br />90 110 <br />Chloride <br />ND mg /L <br />0.03 <br />Sulfate <br />101 <br />90 110 <br />0.09 mg /L <br />0.07 <br />Sample ID: <br />LFB- 111113 <br />2 <br />Laboratory Fortified Blank <br />Chloride <br />11/11/13 22:47 <br />10.0 mg /L <br />1.0 <br />Sulfate <br />100 <br />40.0 mg /L <br />1.0 <br />Sample ID: <br />LFBD- 111113 <br />2 <br />Laboratory Fortified Blank Duplicate <br />11/11/13 23:03 <br />Chloride <br />90 110 <br />0.7 <br />10.1 mg /L <br />1.0 <br />Sulfate <br />0.2 <br />20 <br />40.0 mg /L <br />1.0 <br />Sample ID: <br />013110293- 001AMS <br />2 <br />Sample Matrix Spike <br />Chloride <br />16.6 mg /L <br />1.0 <br />Sulfate <br />135 mg /L <br />1.0 <br />Sample ID: <br />C13110293- 001AMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Chloride <br />16.7 mg /L <br />1.0 <br />Sulfate <br />136 mg /L <br />1.0 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Batch: R180695 <br />Run: IC2- C_131112A 11/11/13 16:46 <br />ND - Not detected at the reporting limit. <br />Page 16 of 24 <br />Run: IC2- C_131112A <br />11/11/13 17:18 <br />100 <br />90 110 <br />100 <br />90 110 <br />Run: IC2- C_131112A <br />11/11/13 17:35 <br />101 <br />90 110 <br />0.4 <br />20 <br />100 <br />90 110 <br />0.1 <br />20 <br />Run: IC2- C_131112A <br />11/11/13 22:47 <br />105 <br />90 110 <br />100 <br />90 110 <br />Run: IC2- C_131112A <br />11/11/13 23:03 <br />106 <br />90 110 <br />0.7 <br />20 <br />100 <br />90 110 <br />0.2 <br />20 <br />ND - Not detected at the reporting limit. <br />Page 16 of 24 <br />