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• wwwowdaG.com Helena, MT 877- 472 -0711 • Billings, MT 600 - 735 -4489 • Caspef, WY 888- 235 -0515 <br />2= liu f ! Gillette, WY 866 -686 -1175 • Rapid City, SO 88B- 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 5/16/13 S26976- S26978 & S26980- S26983 <br />Analyte Count Result Units <br />Method: E200.8 <br />Initial Calibration Verification Standard <br />0.0513 mg /L 0.0010 <br />103 <br />Sample ID: 013050695- 003CMSD <br />9 Sample Matrix <br />Spike Duplicate <br />Copper <br />0.0573 <br />mg /L <br />Manganese <br />0.0539 <br />mg /L <br />Molybdenum <br />0.160 <br />mg /L <br />Silver <br />0.0200 <br />mg /L <br />Thallium <br />0.0532 <br />mg /L <br />Uranium <br />0.558 <br />mg /L <br />Zinc <br />0.0555 <br />mg /L <br />Method: E200.8 <br />Sample ID: ICV <br />Copper <br />Initial Calibration Verification Standard <br />0.0513 mg /L 0.0010 <br />103 <br />Report Date: <br />06/12/13 <br />Work Order: <br />013050679 <br />RL <br />%REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />06/11/13 13:17 <br />Copper <br />ND mg /L <br />0.0001 <br />Batch: R174166 <br />Run: ICPMS2 -C 130529A <br />05/29/1315:05 <br />0.0050 <br />96 <br />70 <br />130 1.6 <br />20 <br />0.0010 <br />103 <br />70 <br />130 0.1 <br />20 <br />0.0010 <br />107 <br />70 <br />130 2.1 <br />20 <br />0.0010 <br />100 <br />70 <br />130 12 <br />20 <br />0.00050 <br />106 <br />70 <br />130 1.6 <br />20 <br />0.00030 <br />Run: ICPMS2- C_130611A <br />70 <br />130 1.0 <br />20 A <br />0.010 <br />102 <br />70 <br />130 0.4 <br />20 <br />Method: E200.8 <br />Sample ID: ICV <br />Copper <br />Initial Calibration Verification Standard <br />0.0513 mg /L 0.0010 <br />103 <br />Analytical Run: ICPMS2- C_130611A <br />06/11/13 12:51 <br />90 110 <br />Method: E200.8 <br />Batch: R174661 <br />Sample ID: LRB <br />Method Blank <br />Run: ICPMS2- C_130611A <br />06/11/13 13:17 <br />Copper <br />ND mg /L <br />0.0001 <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Run: ICPMS2- C_130611A <br />06/11/13 13:20 <br />Copper <br />0.0519 mg /L <br />0.0010 <br />104 <br />85 115 <br />Sample ID: C13050679- 003CMS4 <br />Sample Matrix Spike <br />Run: ICPMS2- C_130611A <br />06/11/13 14:15 <br />Copper <br />0.0533 mg /L <br />0.0050 <br />104 <br />70 130 <br />Sample ID: C13050679- 003CMSD <br />Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_130611A <br />06/11/13 14:18 <br />Copper <br />0.0514 mg /L <br />0.0050 <br />100 <br />70 130 3.6 <br />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 19 of 37 <br />