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• - www.ene dab.com f � Helena, lilt 877- 472 -0711 • Billings, MT 800- 735-4489 • Casper, WY 888-235 -0515 <br />Gillette, WY 866 -686 -7175 • Rapid City, SO 886 - 672 -1225 • College Station, T% 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />06/27/13 <br />Project: <br />Schwartz SW 5/22/13 S26997 TH S26998 <br />Work Order: <br />C13050907 <br />Analyte <br />Count Result Units RL <br />%REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: <br />E200.8 <br />Method Blank <br />Batch: R174380 <br />Sample ID: C13050902- 004BMSD 8 Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_130604A <br />06/04/13 20:42 <br />Uranium <br />0.0623 mg /L 0.00030 <br />124 70 130 0.3 <br />20 <br />Zinc <br />0.0479 mg /L 0.010 <br />92 70 130 2.8 <br />20 <br />Method: E200.8 <br />Sample ID: ICV <br />Arsenic <br />Uranium <br />2 <br />Initial Calibration Verification Standard <br />0.0503 mg /L 0.0010 <br />0.0516 mg /L 0.00030 <br />101 <br />103 <br />Analytical Run: ICPMS2- C_130617A <br />06/17/13 18:23 <br />90 110 <br />90 110 <br />Method: E200.8 <br />0.491 mg /L <br />0.0050 <br />Sample Matrix Spike <br />0.477 mg /L <br />Batch: 37652 <br />Sample ID: MB -37652 <br />2 <br />Method Blank <br />0.0050 <br />Run: ICPMS2- C_130617A <br />06/17/13 18:45 <br />Arsenic <br />0.0006 mg /L <br />0.0002 <br />Uranium <br />ND mg /L <br />1 E -05 <br />Sample ID: LCS3 -37652 <br />2 <br />Laboratory Control Sample <br />Run: ICPMS2- C_130617A <br />06/17/13 18:49 <br />Arsenic <br />0.489 mg /L <br />0.0010 <br />98 <br />85 115 <br />Uranium <br />0.559 mg /L <br />0.00030 <br />112 <br />85 115 <br />Sample ID: C13050907- 001DMS3 <br />2 <br />Sample Matrix Spike <br />Run: ICPMS2- C_130617A <br />06/17/13 19.07 <br />Arsenic <br />0.479 mg /L <br />0.0010 <br />96 <br />70 130 <br />Uranium <br />0.614 mg /L <br />0.00030 <br />114 <br />70 130 <br />Sample ID: C13050907- 001DMSD <br />2 <br />Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_130617A <br />06/17/13 19:23 <br />Arsenic <br />0.496 mg /L <br />0.0010 <br />99 <br />70 130 3.5 <br />20 <br />Uranium <br />0.606 mg /L <br />0.00030 <br />112 <br />70 130 1.3 <br />20 <br />Method: E200.8 <br />Analytical Run: ICPMS2- C_130626A <br />Sample ID: ICV <br />Initial Calibration Verification Standard <br />06/26/13 18:27 <br />Chromium <br />0.0504 mg /L <br />0.0010 <br />101 <br />90 110 <br />Method: E200.8 <br />Sample ID: MB -37931 <br />Chromium <br />Sample ID: LCS3 -37931 <br />Chromium <br />Sample ID: C13050907- 001DMS3 <br />Chromium <br />Sample ID: C13050907- 001DMSD <br />Chromium <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Method Blank <br />0.002 mg /L <br />0.0003 <br />Laboratory Control Sample <br />0.491 mg /L <br />0.0050 <br />Sample Matrix Spike <br />0.477 mg /L <br />0.0050 <br />Sample Matrix Spike Duplicate <br />0.474 mg /L <br />0.0050 <br />Run: ICPMS2- C_130626A <br />Run: ICPMS2- C_130626A <br />98 85 115 <br />Run: ICPMS2- C_130626A <br />95 70 130 <br />Run: ICPMS2- C_130626A <br />94 70 130 <br />ND - Not detected at the reporting limit. <br />Batch: 37931 <br />06/26/13 20:33 <br />06/26/13 20:49 <br />06/26/13 20:58 <br />06/26/13 21:01 <br />0.6 20 <br />Page 17 of 29 <br />