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wwmerreWstr.com Helena, MT 677 -472 -0711 • Billings, W 608 -735 -4489 • Casper, WY 888- 235 -0515 <br />• '°'srbrc. test Gillette, WY 666 -686 -1175 • Rapid City, SO 886 - 672 -1225 • College Station, TX 888- 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper WY Branch <br />Revised Date: 03/05/14 <br />Client: Cotter Corporation Report Date: 02/18/14 <br />Project: Schwartz -GW 1/30/14 S27319 Work Order: 014020002 <br />Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Gual <br />Method: E300.0 Analytical Run: IC1- C_140213A <br />Sample ID: CCV- 021314 -01 2 Continuing Calibration Verification Standard 02/13/14 13:42 <br />Chloride 9.76 mg /L 1.0 98 90 110 <br />Sulfate 39.0 mg /L 1.0 97 90 110 <br />Method: <br />E300.0 <br />Sample ID: <br />ICB- 021314 <br />Chloride <br />96 <br />Sulfate <br />Sample ID: <br />LFB- 021314 <br />Chloride <br />Sulfate <br />Sample ID: <br />C14020342- 001AMS <br />Chloride <br />97 <br />Sulfate <br />20 <br />2 Method Blank <br />ND mg /L <br />ND mg /L <br />2 Laboratory Fortified Blank <br />9.45 mg /L <br />37.7 mg /L <br />2 Sample Matrix Spike <br />22800 mg /L <br />18900 mg /L <br />Sample ID: C14020342- 001AMSD 2 Sample Matrix Spike Duplicate <br />Chloride 22900 mg /L <br />Sulfate 19200 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Batch: R183664 <br />Run: ICi - C_140213A 02/13/14 13:06 <br />0.04 <br />0.1 <br />Run. Cl- C_140213A 02/13/14 13:24 <br />1.0 95 90 110 <br />1.0 94 90 110 <br />ND - Not detected at the reporting limit. <br />Page 13 of 20 <br />Run: Cl- C_140213A <br />02/13/14 14:19 <br />100 <br />96 <br />90 110 <br />420 <br />95 <br />90 110 <br />Run: IC1- C_140213A <br />02/13/14 14:38 <br />100 <br />97 <br />90 110 0.2 <br />20 <br />420 <br />96 <br />90 110 1.2 <br />20 <br />ND - Not detected at the reporting limit. <br />Page 13 of 20 <br />