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A - wwwenergylab.com Helena, MT 877- 472 -0711 • Billings, MT 608- 735 -44BS • Casper, WY 888 - 235 -6515 <br />: Ia1Easasaaaa Iles ; Gillette, WY 866 - 686 -7175 • Rapid City, SO 868- 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: 08/05/13 <br />Project: Schwartz GW 6/28/13 S27040 Work Order: C13070012 1 <br />FAnalyte Count Result Units RL ° /6REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E300.0 Analytical Run: IC2- C_130701 B <br />Sample ID: CCV- 070213 -03 2 Continuing Calibration Verification Standard 07/02/13 21:09 <br />Chloride 10.00 mg /L 1.0 100 90 110 <br />Sulfate 39.3 mg /L 1.0 98 90 110 <br />Method: <br />E300.0 <br />Sample ID: <br />ICB- 070213 <br />Chloride <br />2 Sample Matrix Spike <br />Sulfate <br />72.2 mg /L <br />Sample ID: <br />LFB- 070213 -01 <br />Chloride <br />2 Sample Matrix Spike Duplicate <br />Sulfate <br />72.7 mg /L <br />Sample ID: <br />C13061015- 005AMS <br />Chloride <br />Run: IC2- C_130701 B <br />Sulfate <br />07/02/13 15:30 <br />Batch: R175488 <br />2 Method Blank Run: IC2- C_130701 B 07/02/13 13:11 <br />ND mg /L 0.03 <br />0.1 mg /L 0.07 <br />2 Laboratory Fortified Blank Run: IC2- C_130701 B 07/02/13 13:27 <br />9.80 mg /L 10 98 90 110 <br />39.2 mg /L 10 98 90 110 <br />2 Sample Matrix Spike <br />56.7 mg /L <br />865 mg /L <br />Sample ID: C13061015- 005AMSD 2 Sample Matrix Spike Duplicate <br />Chloride <br />59.7 mg /L <br />Sulfate <br />873 mg /L <br />Sample ID: C13070012- 001AMS <br />2 Sample Matrix Spike <br />Chloride <br />72.2 mg /L <br />Sulfate <br />891 mg /L <br />Sample ID: C13070012- 001AMSD <br />2 Sample Matrix Spike Duplicate <br />Chloride <br />72.7 mg /L <br />Sulfate <br />889 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 />Run: IC2- C_130701 B <br />07/02/13 15:15 <br />1.0 <br />101 <br />90 110 <br />4.2 <br />96 <br />90 110 <br />Run: IC2- C_130701 B <br />07/02/13 15:30 <br />1.0 <br />107 <br />90 110 <br />5.2 <br />20 <br />4.2 <br />100 <br />90 110 <br />0.9 <br />20 <br />Run: IC2- C_130701 B <br />07/02/13 21:56 <br />1.0 <br />102 <br />90 110 <br />4.2 <br />98 <br />90 110 <br />Run: IC2- C_130701 B <br />07/02/13 22:11 <br />1.0 <br />103 <br />90 110 <br />0.8 <br />20 <br />4.2 <br />98 <br />90 110 <br />0.2 <br />20 <br />ND - Not detected at the reporting limit. <br />Page 14 of 21 <br />