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www.ewz4ab.com Helena, MT 877472 -0711 • Billings, MT 808- 735 -4489 • Casper, WY 888- 235 -0515 <br />AaaOMExaft ae&We 109 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 />Project: Schwartz GW 12/23/13 S27306 <br />Analyte Count Result Units <br />Method: E200.7 <br />Report Date: 02/03/14 <br />Work Order: 013120854 <br />RL ° /6REC Low Limit High Limit RPD RPDLimit Qual <br />Sample ID: ICV <br />6 Initial Calibration Verification Standard <br />Aluminum <br />5.01 mg /L <br />0.10 <br />Barium <br />1.01 mg /L <br />0.10 <br />Iron <br />5.01 mg /L <br />0.030 <br />Manganese <br />4.89 mg /L <br />0.010 <br />Molybdenum <br />0.999 mg /L <br />0.10 <br />Zinc <br />0.960 mg /L <br />0.010 <br />Sample ID: ICSA <br />6 Interference Check Sample A <br />80 <br />Aluminum <br />473 mg /L <br />0.10 <br />Barium <br />0.000950 mg /L <br />0.10 <br />Iron <br />175 mg /L <br />0.030 <br />Manganese <br />- 0.00844 mg /L <br />0.010 <br />Molybdenum <br />0.00327 mg /L <br />0.10 <br />Zinc <br />0.00213 mg /L <br />0.010 <br />Sample ID: ICSAB <br />6 Interference Check Sample AB <br />ND mg /L <br />Aluminum <br />488 mg /L <br />0.10 <br />Barium <br />0.478 mg /L <br />0.10 <br />Iron <br />178 mg /L <br />0.030 <br />Manganese <br />0.449 mg /L <br />0.010 <br />Molybdenum <br />0.00227 mg /L <br />0.10 <br />Zinc <br />0.855 mg /L <br />0.010 <br />100 <br />95 <br />105 <br />101 <br />95 <br />105 <br />100 <br />95 <br />105 <br />98 <br />95 <br />105 <br />100 <br />95 <br />105 <br />96 <br />95 <br />105 <br />95 <br />80 <br />120 <br />88 <br />80 <br />120 <br />98 <br />80 <br />120 <br />96 <br />80 <br />120 <br />89 <br />80 <br />120 <br />90 <br />80 <br />120 <br />85 <br />80 <br />120 <br />Analytical Run: ICP4- C_131230A <br />12/30/13 14:03 <br />12/30/13 14:17 <br />12/30/13 14:21 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 14 of 31 <br />Method: E200.7 <br />Batch: 40176 <br />Sample ID: MB -40176 <br />6 Method Blank <br />Run: ICP4- C_131230A <br />12/30/13 15:12 <br />Aluminum <br />ND mg /L <br />0.01 <br />Barium <br />0.0005 mg /L <br />0.0002 <br />Iron <br />ND mg /L <br />0.004 <br />Manganese <br />ND mg /L <br />0.0002 <br />Molybdenum <br />ND mg /L <br />0.003 <br />Zinc <br />ND mg /L <br />0.001 <br />Sample ID: LCS3 -40176 <br />6 Laboratory Control Sample <br />Run: ICP4- C_131230A <br />12/30/13 15:26 <br />Aluminum <br />2.59 mg /L <br />0.030 <br />104 <br />85 115 <br />Barium <br />0.511 mg /L <br />0.050 <br />102 <br />85 115 <br />Iron <br />2.55 mg /L <br />0.030 <br />102 <br />85 115 <br />Manganese <br />2.56 mg /L <br />0.0010 <br />102 <br />85 115 <br />Molybdenum <br />0.524 mg /L <br />0.0028 <br />105 <br />85 115 <br />Zinc <br />0.498 mg /L <br />0.010 <br />100 <br />85 115 <br />Sample ID: C13120854- 001CMS3 <br />6 Sample Matrix Spike <br />Run: ICP4- C_131230A <br />12/30/13 16:16 <br />Aluminum <br />2.53 mg /L <br />0.030 <br />99 <br />70 130 <br />Barium <br />0.516 mg /L <br />0.050 <br />98 <br />70 130 <br />Iron <br />6.41 mg /L <br />0.030 <br />96 <br />70 130 <br />Manganese <br />5.24 mg /L <br />0.0010 <br />95 <br />70 130 <br />Molybdenum <br />0.674 mg /L <br />0.0056 <br />96 <br />70 130 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 14 of 31 <br />