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www.energylab.com Helena, W 677- 472 -0711 • Billings, W 800 -735 -4469 • Casper, WY 888 -235 -0515 <br />} 0°' 9= f Gillette, WY 866 -666 -7175 • Rapid City, SD 886- 672 -1225 • College Station, TX 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />08/20/13 <br />Project: <br />Schwartz GW 07/17/13 S27046 - S27047 <br />Work Order: <br />C13070682 <br />Analyte <br />Count Result Units RL 0/.9EC Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: <br />E300.0 <br />Analytical Run: IC2- C_130719B <br />Sample ID: <br />CCV- 071913 -03 2 Continuing Calibration Verification Standard <br />07/19/13 14:22 <br />07/19/13 21:49 <br />Chloride <br />9.83 mg /L 1.0 98 90 <br />110 <br />0.03 <br />Sulfate <br />39.2 mg /L 1.0 98 90 <br />110 <br />Method: <br />E300.0 <br />Batch: R176166 <br />Sample ID: <br />ICB- 071913 <br />2 <br />Method Blank <br />Run: IC2 -C 130719B <br />07/19/13 14:22 <br />Chloride <br />ND mg /L <br />0.03 <br />Sulfate <br />0.1 mg /L <br />0.07 <br />Sample ID: <br />LFB- 071913 -01 <br />2 <br />Laboratory Fortified Blank <br />Run- IC2- C_130719B <br />07/19/13 14:38 <br />Chloride <br />9.90 mg /L <br />1.0 <br />99 <br />90 110 <br />Sulfate <br />39.3 mg /L <br />1.0 <br />98 <br />90 110 <br />Sample ID: <br />C13070670- 001AMS <br />2 <br />Sample Matrix Spike <br />Run: IC2- C_130719B <br />07/19/13 23:53 <br />Chloride <br />48.3 mg /L <br />1.0 <br />96 <br />90 110 <br />Sulfate <br />175 mg /L <br />1.7 <br />97 <br />90 110 <br />Sample ID: <br />C13070670- 001AMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Run: IC2- C_130719B <br />07/20/13 00:08 <br />Chloride <br />49.4 mg /L <br />1.0 <br />102 <br />90 110 <br />2.3 <br />20 <br />Sulfate <br />178 mg /L <br />1.7 <br />100 <br />90 110 <br />1.5 <br />20 <br />Sample ID: <br />C13070685- 001AMS <br />2 <br />Sample Matrix Spike <br />Run: IC2- C_130719B <br />07/20/13 02:27 <br />Chloride <br />345 mg /L <br />2.1 <br />111 <br />90 110 <br />S <br />Sulfate <br />426 mg /L <br />8.3 <br />99 <br />90 110 <br />- Matrix spike recoveries outside the acceptance <br />range are considered matrix - related. <br />Sample ID: <br />013070685- 001AMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Run: IC2- C_130719B <br />07/20/13 02:42 <br />Chloride <br />342 mg /L <br />2.1 <br />108 <br />90 110 <br />0.8 <br />20 <br />Sulfate <br />425 mg /L <br />8.3 <br />99 <br />90 110 <br />0.1 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration S - Spike recovery outside of advisory limits. <br />Page 15 of 24 <br />