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www.emrgylab.com r Helena, MT 671- 472 -0111 a Billings, MT 800 -735 -4469 • Casper, WY 888 -235 -0515 <br />- AsrrytlrarFu�lAwa sins tls2 Gillette, WY 866 -886 -7175 • Rapid City, SO 886- 672 -1225 • College Station, TX 888 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />E300.0 <br />Report Date: <br />12/10/13 <br />Project: Schwartz SW 11/6/13 S27253 S27255 S27256 <br />Work Order: <br />C13110305 <br />Analyte <br />Count Result Units RL %REC Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E300.0 <br />Sample ID: <br />Analytical Run: IC2- C_131107A <br />Sample ID: CCV- 110713 -06 <br />2 Continuing Calibration Verification Standard <br />11/08/13 08:58 <br />Chloride <br />9.81 mg /L 1.0 98 90 <br />110 <br />Sample ID: <br />Sulfate <br />39.0 mg /L 1.0 97 90 <br />110 <br />97 <br />Method: <br />E300.0 <br />Sample ID: <br />ICB- 110713 <br />2 Method Blank <br />Chloride <br />11/07/13 13:16 <br />ND mg /L <br />Sulfate <br />0.1 mg /L <br />Sample ID: <br />LFB- 110713 -01 <br />2 Laboratory Fortified Blank <br />Chloride <br />9.77 mg /L <br />Sulfate <br />11/07/13 13:32 <br />39.0 mg /L <br />Sample ID: <br />C13110305 -001 BMS <br />2 Sample Matrix Spike <br />Chloride <br />97 <br />87.6 mg /L <br />Sulfate <br />208 mg /L <br />Sample ID: <br />C13110305 -001 BMSD <br />2 Sample Matrix Spike Duplicate <br />Chloride <br />90 110 <br />88.2 mg /L <br />Sulfate <br />97 <br />209 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 20 of 30 <br />Batch: R180543 <br />Run: IC2- C_131107A <br />11/07/13 13:16 <br />0.03 <br />0.07 <br />Run: IC2- C_131107A <br />11/07/13 13:32 <br />1.0 <br />98 <br />90 110 <br />1.0 <br />97 <br />90 110 <br />Run: IC2- C_131107A <br />11/08/13 09:48 <br />1.0 <br />100 <br />90 110 <br />4.2 <br />97 <br />90 110 <br />Run: IC2- C_131107A <br />11/08/13 10:04 <br />1.0 <br />101 <br />90 110 <br />0.6 20 <br />4.2 <br />98 <br />90 110 <br />0.5 20 <br />ND - Not detected at the reporting limit. <br />Page 20 of 30 <br />