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PLO - www•eeer�rlab•com Helena, MT 877- 472 -0711 • Billings, MT 810 -735 -4489 • Casper, WY 888- 235 -1515 <br />IM Gillette, WY 816 -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: 10/15/13 <br />Project: Schwartz SW 9/10/13 S27157 Work Order: C13090392 <br />Analyte Count Result Units RL ° /oREC Low Limit High Limit RPD RPDLimit Qua[ <br />Method: E300.0 Analytical Run: IC2- C_130913A <br />Sample ID: CCV- 091313 -01 2 Continuing Calibration Verification Standard 09/13/13 11:23 <br />Chloride 9.67 mg /L 1.0 97 90 110 <br />Sulfate 38.5 mg /L 10 96 90 110 <br />Method: <br />E300.0 <br />Batch: R178306 <br />Sample ID: <br />ICB- 091313 <br />2 <br />Method Blank <br />Run: IC2 -C 130913A <br />09/13/13 10:47 <br />Chloride <br />ND mg /L <br />0.03 <br />Sulfate <br />0.1 mg /L <br />0.07 <br />Sample ID: <br />LFB- 091313 -01 <br />2 <br />Laboratory Fortified Blank <br />Run: IC2- C_130913A <br />09/13/13 11:05 <br />Chloride <br />9.97 mg /L <br />1.0 <br />100 <br />90 110 <br />Sulfate <br />39.8 mg /L <br />1.0 <br />99 <br />90 110 <br />Sample ID: <br />C13090392- 001BMS <br />2 <br />Sample Matrix Spike <br />Run: IC2- C_130913A <br />09/13/13 12:37 <br />Chloride <br />846 mg /L <br />1.0 <br />90 110 <br />A <br />Sulfate <br />62.5 mg /L <br />1.0 <br />106 <br />90 110 <br />Sample ID: <br />C13090392 -001 BMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Run: IC2- C_130913A <br />09/13/13 12:56 <br />Chloride <br />846 mg /L <br />1.0 <br />90 110 <br />0.0 20 A <br />Sulfate <br />62.2 mg /L <br />1.0 <br />106 <br />90 110 <br />0.4 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 18 of 26 <br />