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Mwww.wwuwb.com Helena, MT 877- 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888- 235 -0515 <br />ttZa - Aaayec.tFaoeaM .N.cs 1W Gillette, WY 866 -686 -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 Report Date: 07/05/13 <br />Project: Schwartz GW 06/12/13 S27034 Work Order: 013060505 <br />Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E300.0 Analytical Run IC1- C_130617A <br />Sample ID: CCV- 061713 -02 2 Continuing Calibration Verification Standard 06/17/13 21:09 <br />Chloride 9.78 mg /L 1.0 98 90 110 <br />Sulfate 38.9 mg /L 1.0 97 90 110 <br />Method: <br />E300.0 <br />Batch: R174901 <br />Sample ID: <br />ICB- 061713 <br />2 <br />Method Blank <br />Chloride <br />ND mg /L <br />Sulfate <br />0.2 mg /L <br />Sample ID: <br />LFB- 061713 -01 <br />2 <br />Laboratory Fortified Blank <br />Chloride <br />103 <br />90 110 <br />10.3 mg /L <br />Sulfate <br />103 <br />90 110 <br />41.3 mg /L <br />Sample ID: <br />C13060482- 008AMS <br />2 <br />Sample Matrix Spike <br />Chloride <br />99 <br />90 110 <br />33.4 mg /L <br />Sulfate <br />90 110 <br />407 mg /L <br />Sample ID: <br />013060482- 008AMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Chloride <br />102 <br />90 110 <br />33.9 mg /L <br />Sulfate <br />90 110 <br />408 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 14 of 21 <br />Batch: R174901 <br />Run: IC1 -C-1 30617A <br />06/17/1316:47 <br />0.07 <br />0.08 <br />Run: ICI -C 130617A <br />06/17/1317:05 <br />1.0 <br />103 <br />90 110 <br />1.0 <br />103 <br />90 110 <br />Run: IC1 -C 130617A <br />06/17/1322:01 <br />1.0 <br />99 <br />90 110 <br />1.7 <br />90 110 <br />A <br />Run: IC11 - C_130617A <br />06/17/13 22-18 <br />1.0 <br />102 <br />90 110 <br />1.5 20 <br />1.7 <br />90 110 <br />0.2 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 14 of 21 <br />