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www.mwiBlab.com I Helena, MT 877 -472 -0711 • Billings, MT 608 - 735 -4469 • Casper, WY 888 -235 -0515 <br />"by" Enalmes a 1052 Gillette, WY 866 -696 -7175 • Rapid City, SO 886- 672 -1225 • College Station, TX 888 -696 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 08/29/13 <br />Project: Schwartz -GW 8/2/13 S27063 Work Order: 013080122 <br />FAnalyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E300.0 Analytical Run: IC2- C_130806A <br />Sample ID: CCV- 080613 -02 2 Continuing Calibration Verification Standard 08/06/13 14:04 <br />Chloride 9.76 mg /L 1.0 98 90 110 <br />Sulfate 39.4 mg /L 1.0 98 90 110 <br />Method: <br />E300.0 <br />Sample ID: <br />ICB- 080613 <br />2 <br />Method Blank <br />Chloride <br />08/06/13 09:27 <br />0.03 <br />ND mg /L <br />Sulfate <br />0.1 mg /L <br />Sample ID: <br />LFB- 080613 -01 <br />2 <br />Laboratory Fortified Blank <br />Chloride <br />Run: IC2- C_130806A <br />9.69 mg /L <br />Sulfate <br />1.0 <br />97 <br />38.7 mg /L <br />Sample ID: <br />LFBD - 080613 -01 <br />2 <br />Laboratory Fortified Blank Duplicate <br />Chloride <br />9.78 mg /L <br />Sulfate <br />Run: IC2- C_130806A <br />39.2 mg /L <br />Sample ID: <br />013080121- 001BMS <br />2 <br />Sample Matrix Spike <br />Chloride <br />1.0 <br />98 <br />72.9 mg /L <br />Sulfate <br />20 <br />1090 mg /L <br />Sample ID: <br />013080121- 001BMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Chloride <br />90 110 <br />73.3 mg /L <br />Sulfate <br />90 110 <br />1100 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />A - The analyte level was greater than four times the spike level. In <br />accordance with the method % recovery is not calculated. <br />MDC - Minimum detectable concentration <br />Page 7 of 12 <br />Batch: R176832 <br />Run: IC2 -C 130806A <br />08/06/13 09:27 <br />0.03 <br />0.07 <br />Run: IC2- C_130806A <br />08/06/13 09:58 <br />1.0 <br />97 <br />90 110 <br />1.0 <br />96 <br />90 110 <br />Run: IC2- C_130806A <br />08/06/13 10:13 <br />1.0 <br />98 <br />90 110 <br />1.0 <br />20 <br />1.0 <br />98 <br />90 110 <br />1.5 <br />20 <br />Run: IC2- C_130806A <br />08/06/13 14:56 <br />1.0 <br />102 <br />90 110 <br />4.2 <br />90 110 <br />A <br />Run: IC2- C_130806A <br />08/06/13 15:11 <br />1.0 <br />103 <br />90 110 <br />0.6 <br />20 <br />4.2 <br />90 110 <br />0.7 <br />20 A <br />A - The analyte level was greater than four times the spike level. In <br />accordance with the method % recovery is not calculated. <br />MDC - Minimum detectable concentration <br />Page 7 of 12 <br />