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• www_cnewsb.com Helena, MT 071472 -0711 • Billings, W 800- 735 -4189 • Gasper, WY 088 -235 -0515 <br />W Endbow 21' 119 Gillette, WY 866 -686 -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: Cotter Corporation Report Date: 10/14/13 <br />Project: Schwartz GW 9/19/13 S27162 Work Order: 013090821 <br />Analyte Count Result Units RL ° /cREC Low Limit High Limit RPD RPDLimit Qual <br />Method: E300.0 Analytical Run: IC1- C_130924A <br />Sample ID: CCV- 092413 -03 2 Continuing Calibration Verification Standard 09/24/13 17:16 <br />Chloride 9.66 mg /L 1.0 97 90 110 <br />Sulfate 39.0 mg /L 10 98 90 110 <br />Method: <br />E300.0 <br />Batch: R178796 <br />Sample ID: <br />ICB- 092413 <br />2 <br />Method Blank <br />Chloride <br />ND mg /L <br />Sulfate <br />0.1 mg /L <br />Sample ID: <br />LFB- 092413 -01 <br />2 <br />Laboratory Fortified Blank <br />Chloride <br />100 <br />90 110 <br />10.0 mg /L <br />Sulfate <br />99 <br />90 110 <br />39.9 mg /L <br />Sample ID: <br />C13090822 -001 AMS <br />2 <br />Sample Matrix Spike <br />Chloride <br />102 <br />90 110 <br />59.7 mg /L <br />Sulfate <br />103 <br />90 110 <br />901 mg /L <br />Sample ID: <br />C13090822- 001AMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Chloride <br />102 <br />90 110 <br />59.7 mg /L <br />Sulfate <br />101 <br />90 110 <br />896 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 14 of 21 <br />Batch: R178796 <br />Run: IC1- C_130924A <br />09/24/13 09:34 <br />0.07 <br />0.08 <br />Run: IC1- C_130924A <br />09/24/13 10:04 <br />1.0 <br />100 <br />90 110 <br />1.0 <br />99 <br />90 110 <br />Run: IC1- C_130924A <br />09/24/13 21:53 <br />1.0 <br />102 <br />90 110 <br />4.2 <br />103 <br />90 110 <br />Run: IC1- C_130924A <br />09/24/13 22:24 <br />1.0 <br />102 <br />90 110 <br />0.0 20 <br />4.2 <br />101 <br />90 110 <br />0.6 20 <br />ND - Not detected at the reporting limit. <br />Page 14 of 21 <br />