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www.enerdab.com ( Helena, IYf 871472 -0711 • Billings, MT 880 - 7354489 • Casper, WY 888- 235 -0515 <br />AeaWWE=BMec.AW 1952 ) Gillette, WY 866 -686 -7175 • Rapid City, SD 888 - 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: 09/30/14 <br />Project: Schwartz -GW 9/16/14 S27663 Work Order: C14090659 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.7 Batch: 42677 <br />Lab ID: C14090674- 005AMSD 5 Sample Matrix Spike Duplicate Run: ICP4- C_140922A 09/22/14 18:21 <br />Molybdenum 0.516 mg /L 0.0053 103 70 130 1.7 20 <br />Uranium 0.571 mg /L 0.091 114 70 130 1.9 20 <br />Method: E200.7 <br />Batch: R191433 <br />Lab ID: MB- 140922A <br />5 <br />Method Blank <br />Run: ICP4- C_140922A <br />09/22/14 14:37 <br />Barium <br />ND mg /L <br />0.0004 <br />Iron <br />ND mg /L <br />0.005 <br />Manganese <br />ND mg /L <br />0.002 <br />Molybdenum <br />ND mg /L <br />0.007 <br />Uranium <br />ND mg /L <br />0.09 <br />Lab ID: LFB- 140922A <br />5 <br />Laboratory Fortified Blank <br />Run: ICP4- C_140922A <br />09/22/14 14:40 <br />Barium <br />0.898 mg /L <br />0.10 <br />90 <br />85 115 <br />Iron <br />0.938 mg /L <br />0.030 <br />94 <br />85 115 <br />Manganese <br />0.905 mg /L <br />0.010 <br />91 <br />85 115 <br />Molybdenum <br />0.928 mg /L <br />0.10 <br />93 <br />85 115 <br />Uranium <br />4.51 mg /L <br />1.0 <br />90 <br />85 115 <br />Lab ID: C14090764- 0016MS2 <br />5 <br />Sample Matrix Spike <br />Run: ICP4- C_140922A <br />09/22/14 15:45 <br />Barium <br />1.86 mg /L <br />0.050 <br />89 <br />70 130 <br />Iron <br />1.92 mg /L <br />0.030 <br />94 <br />70 130 <br />Manganese <br />1.85 mg /L <br />0.0031 <br />91 <br />70 130 <br />Molybdenum <br />2.59 mg /L <br />0.015 <br />92 <br />70 130 <br />Uranium <br />9.57 mg /L <br />0.17 <br />89 <br />70 130 <br />Lab ID: C14090764 -001 BMSD <br />5 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_140922A <br />09/22/14 15:49 <br />Barium <br />1.86 mg /L <br />0.050 <br />89 <br />70 130 <br />0.3 <br />20 <br />Iron <br />1.90 mg /L <br />0.030 <br />93 <br />70 130 <br />1.0 <br />20 <br />Manganese <br />1.85 mg /L <br />0.0031 <br />90 <br />70 130 <br />0.3 <br />20 <br />Molybdenum <br />2.60 mg /L <br />0.015 <br />92 <br />70 130 <br />0.2 <br />20 <br />Uranium <br />9.56 mg /L <br />0.17 <br />89 <br />70 130 <br />0.0 <br />20 <br />Lab ID: C14090771- 006BMS2 <br />5 <br />Sample Matrix Spike <br />Run: ICP4- C_140922A <br />09/22/14 16:37 <br />Barium <br />1.77 mg /L <br />0.050 <br />86 <br />70 130 <br />Iron <br />1.90 mg /L <br />0.030 <br />93 <br />70 130 <br />Manganese <br />1.82 mg /L <br />0.0031 <br />89 <br />70 130 <br />Molybdenum <br />1.88 mg /L <br />0.015 <br />92 <br />70 130 <br />Uranium <br />8.81 mg /L <br />0.17 <br />86 <br />70 130 <br />Lab ID: C14090771- 006BMSD <br />5 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_140922A <br />09/22/14 16:41 <br />Barium <br />1.78 mg /L <br />0.050 <br />86 <br />70 130 <br />0.4 <br />20 <br />Iron <br />1.91 mg /L <br />0.030 <br />94 <br />70 130 <br />0.4 <br />20 <br />Manganese <br />1.82 mg /L <br />0.0031 <br />89 <br />70 130 <br />0.1 <br />20 <br />Molybdenum <br />1.89 mg /L <br />0.015 <br />92 <br />70 130 <br />0.1 <br />20 <br />Uranium <br />8.86 mg /L <br />0.17 <br />87 <br />70 130 <br />0.6 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 6 of 13 <br />