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POW www.energylab.com Helena, MT 877- 472 -0711 • Billings, MT 600- 735 -4488 • Casper, WY 888- 235 -0515 <br />z E-10 IN <br />X' ty"E ft '51- 1151 f Gillette, WY 866 -686 -7175 • Rapid City, SO 888 - 672 -1225 • College Station, TX 088- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />09/30/14 <br />Project: <br />Schwartz -GW 9/16/14 S27663 <br />Work Order: <br />C14090659 <br />Analyte <br />Count Result Units RL %REC Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: <br />E300.0 <br />Analytical Run: IC2- C_140917B <br />Lab ID: <br />CCV091714 -3 2 Continuing Calibration Verification Standard <br />LFBO91714 -1 <br />09/18/14 02:15 <br />Chloride <br />9.96 mg /L 1.0 100 90 <br />110 <br />90 110 <br />Sulfate <br />39.7 mg /L 1.0 99 90 <br />110 <br />90 110 <br />Method: <br />E300.0 <br />Batch: R191243 <br />Lab ID: <br />ICB <br />2 <br />Method Blank <br />Chloride <br />ND mg /L <br />Sulfate <br />0.1 mg /L <br />Lab ID: <br />LFBO91714 -1 <br />2 <br />Laboratory Fortified Blank <br />Chloride <br />99 <br />90 110 <br />9.86 mg /L <br />Sulfate <br />98 <br />90 110 <br />39.2 mg /L <br />Lab ID: <br />C14090654- 002AMS <br />2 <br />Sample Matrix Spike <br />Chloride <br />101 <br />90 110 <br />208 mg /L <br />Sulfate <br />102 <br />90 110 <br />428 mg /L <br />Lab ID: <br />C14090654- 002AMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Chloride <br />103 <br />90 110 <br />209 mg /L <br />Sulfate <br />102 <br />90 110 <br />430 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 8 of 13 <br />Batch: R191243 <br />Run: IC2 -C 140917B <br />09/17/1416:50 <br />0.01 <br />0.05 <br />Run: IC2- C_140917B <br />09/17/14 17:07 <br />1.0 <br />99 <br />90 110 <br />1.0 <br />98 <br />90 110 <br />Run: IC2- C_140917B <br />09/18/14 03:08 <br />1.0 <br />101 <br />90 110 <br />2.1 <br />102 <br />90 110 <br />Run: IC2- C_140917B <br />09/18/14 03:26 <br />1.0 <br />103 <br />90 110 <br />0.4 20 <br />2.1 <br />102 <br />90 110 <br />0.3 20 <br />ND - Not detected at the reporting limit. <br />Page 8 of 13 <br />