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www.enerVab.com i( Helena, MT 877 -472 -0711 *Billings, MT 800-735-4489 - Casper, WY 888- 235 -8515 <br />t _qRw fW J 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: 07/30/13 <br />Project: Schwartz -GW 7/3/13 S27057 Work Order: 013070189 <br />Analyte Count Result Units RL ° /6REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E300.0 Analytical Run: IC1- C_130708A <br />Sample ID: CCV- 070813 -04 2 Continuing Calibration Verification Standard 07/09/13 02:03 <br />Chloride 9.70 mg /L 1.0 97 90 110 <br />Sulfate 38.8 mg /L 1.0 97 90 110 <br />Method: <br />E300.0 <br />Batch: R175634 <br />Sample ID: <br />ICB- 070813 <br />2 <br />Method Blank <br />Run: IC1- C_130708A <br />07/08/13 13:44 <br />Chloride <br />ND mg /L <br />0.07 <br />Sulfate <br />0.1 mg /L <br />0.08 <br />Sample ID: <br />LFB- 070813 -01 <br />2 <br />Laboratory Fortified Blank <br />Run: IC1- C_130708A <br />07/08/13 14:14 <br />Chloride <br />10.0 mg /L <br />1.0 <br />100 <br />90 110 <br />Sulfate <br />39.9 mg /L <br />1.0 <br />99 <br />90 110 <br />Sample ID: <br />LFBD - 070813 -01 <br />2 <br />Laboratory Fortified Blank Duplicate <br />Run: ICI- C_130708A <br />07/08/13 14:30 <br />Chloride <br />10.1 mg /L <br />1.0 <br />101 <br />90 110 <br />1.1 <br />20 <br />Sulfate <br />40.8 mg /L <br />1.0 <br />102 <br />90 110 <br />2.1 <br />20 <br />Sample ID: <br />C13070172- 001AMS <br />2 <br />Sample Matrix Spike <br />Run: ICI- C_130708A <br />07/09/13 03:05 <br />Chloride <br />65.3 mg /L <br />1.0 <br />90 110 <br />A <br />Sulfate <br />60.5 mg /L <br />1.0 <br />106 <br />90 110 <br />Sample ID: <br />C13070172- 001AMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Run: IC1- C_130708A <br />07/09/13 03:20 <br />Chloride <br />65.3 mg /L <br />1.0 <br />90 110 <br />0.0 <br />20 A <br />Sulfate <br />60.8 mg /L <br />1.0 <br />107 <br />90 110 <br />0.5 <br />20 <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 13 of 20 <br />