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IF =11 <br />WWWOW&b.COM ( Helena, MT 877472 -0711 • Billings, W 600- 735 -4469 + Caspar, WY 888 - 235 -0515 <br />a'Q'srs less J Gillette, WY 888-688 -7115 • Rapid City, So 888- 672 -1225 • College Station, TX 888 - 600 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 10/22/13 <br />Project: Schwartz GW 9/23/13 S27095 Work Order: 013090867 <br />Analyte Count Result Units RL 0/49EC Low Limit High Limit RPD RPDLimit Qual <br />Method: E300.0 Analytical Run: IC1- C_130924A <br />Sample ID: CCV- 092413 -06 2 Continuing Calibration Verification Standard 09/25/13 08:10 <br />Chloride 9.84 mg /L 1.0 98 90 110 <br />Sulfate 39.4 mg /L 1.0 99 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 />C13090767- 003AMS <br />2 <br />Sample Matrix Spike <br />Chloride <br />96 <br />90 110 <br />55.1 mg /L <br />Sulfate <br />98 <br />90 110 <br />692 mg /L <br />Sample ID: <br />C13090767- 003AMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Chloride <br />95 <br />90 110 <br />54.6 mg /L <br />Sulfate <br />96 <br />90 110 <br />688 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- ICI- C_130924A <br />09/25/13 13:04 <br />1.0 <br />96 <br />90 110 <br />4.2 <br />98 <br />90 110 <br />Run: IC 1- C_130924A <br />09/25/13 13:19 <br />1.0 <br />95 <br />90 110 <br />0.9 20 <br />4.2 <br />96 <br />90 110 <br />0.5 20 <br />ND - Not detected at the reporting limit. <br />Page 14 of 21 <br />