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Www.energylab.00M Helena, MT 877472 -0711 9 Billings, MT 600 - 7354469 • Gasper, WY 888 - 235 -0515 <br />Gillette, WY 866 -686 -7175 * Rapid City, SD 888 -672 -1225 • College Station, TX 888 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 05/18/13 S26985 & S26986 <br />Analyte Count Result Units <br />Method: E300.0 <br />Run: IC2- C_130521 A <br />05/21/13 11:54 <br />Sample ID: ICB- 052113 <br />2 <br />Method Blank <br />Chloride <br />1.0 <br />ND mg /L <br />Sulfate <br />0.09 mg /L <br />Sample ID: LFB- 052113 <br />2 <br />Laboratory Fortified Blank <br />Chloride <br />101 <br />9.86 mg /L <br />Sulfate <br />830 <br />39.5 mg /L <br />Sample ID: C13050719- 002AMS <br />2 <br />Sample Matrix Spike <br />Chloride <br />Run: IC2- C_130521 A <br />11100 mg /L <br />Sulfate <br />100 <br />94800 mg /L <br />Sample ID: 013050719- 002AMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Chloride <br />20 <br />11000 mg /L <br />Sulfate <br />94400 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Report Date: 06/11/13 <br />Work Order: C13050721 <br />RL %R EC Low Limit High Limit RPD RPDLimit Qual <br />Batch: R173877 <br />Run: IC2 -C 130521A 05/21/1311:39 <br />0.03 <br />0.07 <br />ND - Not detected at the reporting limit. <br />Page 16 of 24 <br />Run: IC2- C_130521 A <br />05/21/13 11:54 <br />1.0 <br />99 <br />90 110 <br />1.0 <br />98 <br />90 110 <br />Run: IC2- C_130521A <br />05/21/13 23:44 <br />210 <br />101 <br />90 110 <br />830 <br />96 <br />90 110 <br />Run: IC2- C_130521 A <br />05/21/13 23:59 <br />210 <br />100 <br />90 110 0.6 <br />20 <br />830 <br />95 <br />90 110 0.5 <br />20 <br />ND - Not detected at the reporting limit. <br />Page 16 of 24 <br />