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www- energlab.com Helena, W 877- 472 -0711 • Billings, MT 800 - 735 -4469 • Casper, WY 888 - 235 -0515 <br />AuWWE ill1le aSbre 1832 Gillette, WY 866 -686 -7175 • Rapid City, SO 886- 672 -1225 • College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />E300.0 <br />Report Date: <br />07/05/13 <br />Project: Schwartz GW 06/07/13 S26942 & S26943 <br />Sample ID: <br />ICB- 061113 <br />Work Order: <br />C13060291 <br />Analyte <br />Count Result Units RL <br />° /oREC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E300.0 <br />Sample ID: C13060317- 001AMSD <br />2 Sample Matrix Spike Duplicate <br />Analytical Run. IC2- C_130611A <br />Sample ID: CCV- 061113 -01 <br />2 Continuing Calibration Verification Standard <br />0.07 <br />247 mg /L <br />4.2 <br />06/11/13 20.48 <br />Chloride <br />989 mg /L 1.0 <br />99 <br />90 <br />110 <br />Run: IC2- C_130611A <br />Sulfate <br />39.2 mg /L 1.0 <br />98 <br />90 <br />110 <br />96 <br />Sample ID: CCV- 061113 -04 <br />2 Continuing Calibration Verification Standard <br />Sulfate <br />38.1 mg /L <br />06/12/13 08:38 <br />Chloride <br />10.0 mg /L 1.0 <br />100 <br />90 <br />110 <br />2 Laboratory Fortified Blank Duplicate <br />Sulfate <br />39.4 mg /L 1.0 <br />98 <br />90 <br />110 <br />Method: <br />E300.0 <br />Run: IC2- C130611 A <br />06/12/13 02:12 <br />Batch: R174686 <br />Sample ID: <br />ICB- 061113 <br />2 Method Blank <br />90 110 <br />Run: IC2 -C 130611A <br />06/11/13 16:42 <br />Chloride <br />95 <br />ND mg /L <br />003 <br />Sample ID: C13060317- 001AMSD <br />2 Sample Matrix Spike Duplicate <br />Sulfate <br />Run: IC2- C_130611A <br />0.1 mg /L <br />0.07 <br />247 mg /L <br />4.2 <br />90 <br />Sample ID: <br />LFB- 061113 -01 <br />2 Laboratory Fortified Blank <br />3180 mg /L <br />17 <br />Run: IC2- C_130611A <br />06/11/13 17:12 <br />Chloride <br />9.58 mg /L <br />10 <br />96 <br />90 110 <br />Sulfate <br />38.1 mg /L <br />10 <br />95 <br />90 110 <br />Sample ID: <br />LFBD - 061113 -01 <br />2 Laboratory Fortified Blank Duplicate <br />Run: IC2- C_130611A <br />06/11/13 17:28 <br />Chloride <br />9.73 mg /L <br />1.0 <br />97 <br />90 110 <br />1.6 20 <br />Sulfate <br />38.9 mg /L <br />1.0 <br />97 <br />90 110 <br />2.2 20 <br />Sample ID: C13060317- 001AMS <br />2 Sample Matrix Spike <br />Run: IC2- C130611 A <br />06/12/13 02:12 <br />Chloride <br />250 mg /L <br />4.2 <br />92 <br />90 110 <br />Sulfate <br />3180 mg /L <br />17 <br />95 <br />90 110 <br />Sample ID: C13060317- 001AMSD <br />2 Sample Matrix Spike Duplicate <br />Run: IC2- C_130611A <br />06/12/13 02:28 <br />Chloride <br />247 mg /L <br />4.2 <br />90 <br />90 110 1.3 <br />20 <br />Sulfate <br />3180 mg /L <br />17 <br />95 <br />90 110 0.0 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 16 of 24 <br />