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• - www.ewulab.com <br />� Helena, MT $77- 472 -0711 • Billings, MT BOD- 735 -4489 • Casper, WY 888- 235 -0515 <br />AWWWE=06WO51 <br />1352 <br />Gillette, <br />WY 866 -686 <br />-7175 • <br />Rapid City, SD <br />886 -672 -1225 • College Station, <br />TX 888- 680 -2218 <br />QA <br />/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />09/30/14 <br />Project: Schwartz -GW 9/16/14 S27663 <br />Work Order: <br />C14090659 <br />Analyte Count Result <br />Units <br />RL <br />%REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E200.7 <br />Analytical Run: ICP4- C_140922A <br />Lab ID: ICV 5 <br />Initial Calibration <br />Verification Standard <br />09/22/14 13:59 <br />Barium <br />0.949 <br />mg /L <br />0.10 <br />95 <br />95 <br />105 <br />Iron <br />4.97 <br />mg /L <br />0.030 <br />99 <br />95 <br />105 <br />Manganese <br />4.79 <br />mg /L <br />0.010 <br />96 <br />95 <br />105 <br />Molybdenum <br />0.978 <br />mg /L <br />0.10 <br />98 <br />95 <br />105 <br />Uranium <br />4.88 <br />mg /L <br />1.0 <br />98 <br />95 <br />105 <br />Lab ID: ICSA 5 <br />Interference Check <br />Sample A <br />09/22/14 14:14 <br />Barium <br />0.000450 <br />mg /L <br />0.10 <br />Iron <br />178 <br />mg /L <br />0.030 <br />89 <br />80 <br />120 <br />Manganese <br />0.00136 <br />mg /L <br />0.010 <br />Molybdenum <br />0.00247 <br />mg /L <br />0.10 <br />Uranium <br />0.119 <br />mg /L <br />1.0 <br />Lab ID: ICSAB 5 <br />Interference Check <br />Sample AB <br />09/22/14 14:18 <br />Barium <br />0.450 <br />mg /L <br />0.10 <br />90 <br />80 <br />120 <br />Iron <br />177 <br />mg /L <br />0.030 <br />88 <br />80 <br />120 <br />Manganese <br />0.441 <br />mg /L <br />0.010 <br />88 <br />80 <br />120 <br />Molybdenum <br />0.00113 <br />mg /L <br />0.10 <br />Uranium <br />0.152 <br />mg /L <br />1.0 <br />Method: E200.7 <br />Batch: 42677 <br />Lab iD: MB -42677 5 <br />Method Blank <br />Run: ICP4 -C 140922A <br />09/22/14 17:45 <br />Barium <br />ND <br />mg /L <br />0.0008 <br />Iron <br />ND <br />mg /L <br />0.005 <br />Manganese <br />0.003 <br />mg /L <br />0.001 <br />Molybdenum <br />ND <br />mg /L <br />0.005 <br />Uranium <br />ND <br />mg /L <br />0.09 <br />Lab ID: LCS3 -42677 5 <br />Laboratory Control <br />Sample <br />Run: ICP4- C_140922A <br />09/22/14 17:48 <br />Barium <br />0.520 <br />mg /L <br />0.050 <br />104 <br />85 <br />115 <br />Iron <br />2.66 <br />mg /L <br />0.030 <br />106 <br />85 <br />115 <br />Manganese <br />2.56 <br />mg /L <br />0.0012 <br />102 <br />85 <br />115 <br />Molybdenum <br />0.506 <br />mg /L <br />0.0053 <br />101 <br />85 <br />115 <br />Uranium <br />0.536 <br />mg /L <br />0.091 <br />107 <br />85 <br />115 <br />Lab ID: 014090674- 005AMS3 5 <br />Sample Matrix Spike <br />Run: ICP4- C_140922A <br />09/22/14 18:18 <br />Barium <br />0.621 <br />mg /L <br />0.050 <br />102 <br />70 <br />130 <br />Iron <br />2.62 <br />mg /L <br />0.030 <br />103 <br />70 <br />130 <br />Manganese <br />2.49 <br />mg /L <br />0.0012 <br />100 <br />70 <br />130 <br />Molybdenum <br />0.507 <br />mg /L <br />0.0053 <br />101 <br />70 <br />130 <br />Uranium <br />0.582 <br />mg /L <br />0.091 <br />116 <br />70 <br />130 <br />Lab ID: C14090674- 005AMSD 5 <br />Sample Matrix Spike Duplicate <br />Run: ICP4- C_140922A <br />09/22/14 18:21 <br />Barium <br />0.630 <br />mg /L <br />0.050 <br />103 <br />70 <br />130 1.6 <br />20 <br />Iron <br />2.66 <br />mg /L <br />0.030 <br />105 <br />70 <br />130 1.5 <br />20 <br />Manganese <br />2.50 <br />mg /L <br />0.0012 <br />100 <br />70 <br />130 0.3 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected <br />at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 5 of 13 <br />