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www.em6ab.com ! Helena, W 871 472 -0711 • Billings, W 800- 735 -4489 • Casper, WY 888 -235 -0515 <br />Since IM ) 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 Report Date: 08/20/13 <br />Project: Schwartz GW 7/23/13 S27081 Work Order: C13070939 <br />Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.7 <br />Sample ID: MB -38461 <br />4 Method Blank <br />Barium <br />ND mg /L <br />Analytical Run: ICP4- C_130730A <br />Sample ID: ICV <br />4 Initial Calibration Verification Standard <br />ND mg /L <br />Molybdenum <br />ND mg /L <br />07/30/13 13:48 <br />Barium <br />0.977 mg /L <br />0.10 <br />98 <br />95 <br />105 <br />2.45 mg /L <br />Iron <br />5.03 mg /L <br />0.030 <br />101 <br />95 <br />105 <br />Iron <br />Manganese <br />4.78 mg /L <br />0.010 <br />96 <br />95 <br />105 <br />4 Sample Matrix Spike Duplicate <br />Molybdenum <br />0.971 mg /L <br />0.10 <br />97 <br />95 <br />105 <br />Molybdenum <br />Sample ID: ICSA <br />4 Interference Check Sample A <br />0.1 <br />20 <br />00028 <br />97 <br />07/30/13 14:02 <br />Barium <br />0.000520 mg /L <br />0.10 <br />Iron <br />176 mg /L <br />0.030 <br />88 <br />80 <br />120 <br />Manganese <br />- 0.0169 mg /L <br />0.010 <br />Molybdenum <br />- 0.000300 mg /L <br />0.10 <br />Sample ID: ICSAB <br />4 Interference Check Sample AB <br />07/30/13 14:07 <br />Barium <br />0.463 mg /L <br />0.10 <br />93 <br />80 <br />120 <br />Iron <br />176 mg /L <br />0.030 <br />88 <br />80 <br />120 <br />Manganese <br />0 423 mg /L <br />0.010 <br />85 <br />80 <br />120 <br />Molybdenum <br />0.00357 mg /L <br />0.10 <br />Method: E200.7 <br />Sample ID: MB -38461 <br />4 Method Blank <br />Barium <br />ND mg /L <br />Iron <br />0.005 mg /L <br />Manganese <br />ND mg /L <br />Molybdenum <br />ND mg /L <br />Sample ID: LCS3 -38461 <br />4 Laboratory Control Sample <br />Barium <br />0.496 mg /L <br />Iron <br />2.52 mg /L <br />Manganese <br />2.45 mg /L <br />Molybdenum <br />0.495 mg /L <br />Sample ID: 013070935- 001AMS3 <br />4 Sample Matrix Spike <br />Barium <br />0.651 mg /L <br />Iron <br />247 mg /L <br />Manganese <br />2.40 mg /L <br />Molybdenum <br />0.487 mg /L <br />Sample ID: 013070935- 001AMSD3 <br />4 Sample Matrix Spike Duplicate <br />Barium <br />0.653 mg /L <br />Iron <br />2.48 mg /L <br />Manganese <br />2.40 mg /L <br />Molybdenum <br />0.486 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 5 of 12 <br />Batch: 38461 <br />07/30/13 18:18 <br />Run: ICP4- C_130730A 07/30/13 17:37 <br />0.0002 <br />70 130 <br />0.004 <br />0.030 <br />98 <br />0.0002 <br />0.003 <br />96 <br />70 130 <br />Run: ICP4- C_130730A 07/30/13 17:41 <br />0.050 <br />99 <br />85 115 <br />0.030 <br />101 <br />85 115 <br />0.0010 <br />98 <br />85 115 <br />0.0028 <br />99 <br />85 115 <br />ND - Not detected at the reporting limit. <br />Page 5 of 12 <br />Run: ICP4- C_130730A <br />07/30/13 18:18 <br />0.050 <br />97 <br />70 130 <br />0.030 <br />98 <br />70 130 <br />0.0010 <br />96 <br />70 130 <br />0.0028 <br />97 <br />70 130 <br />Run: I CP4- C_130730A <br />07/30/13 18:22 <br />0.050 <br />97 <br />70 130 <br />0.3 <br />20 <br />0.030 <br />99 <br />70 130 <br />0.5 <br />20 <br />0.0010 <br />96 <br />70 130 <br />0.1 <br />20 <br />00028 <br />97 <br />70 130 <br />0.1 <br />20 <br />ND - Not detected at the reporting limit. <br />Page 5 of 12 <br />