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www-ow bb.com <br />Helena, W 877 -472 -0711 • Billings, W 600 -735 -4189 • Casper, WY 888- 235 -6515 <br />Gillette, WY 866 -606 -7175 • <br />Rapid City, SD 886 -672 -1225 • College Station, TX 888 -690 -2218 <br />QA <br />/QC Summary Report <br />Prepared <br />by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />02/25/14 <br />Schwartz -SW 2/4/14 S27322 <br />Work Order: <br />014020114 <br />PProject: <br />Analyte Count Result <br />Units <br />RL <br />0/J9EC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E200.8 <br />Analytical Run: ICPMS4- C_140207B <br />Sample ID: ICV 7 <br />Initial Calibration Verification Standard <br />02/07/14 12:15 <br />Antimony <br />0.0520 <br />mg /L <br />0.0010 <br />104 <br />90 <br />110 <br />Arsenic <br />00518 <br />mg /L <br />0.0010 <br />104 <br />90 <br />110 <br />Chromium <br />0.0502 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Copper <br />0.0514 <br />mg /L <br />0.0010 <br />103 <br />90 <br />110 <br />Lead <br />0.0495 <br />mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Thallium <br />00488 <br />mg /L <br />0.0010 <br />98 <br />90 <br />110 <br />Uranium <br />0.0478 <br />mg /L <br />0.00030 <br />96 <br />90 <br />110 <br />Method: E200.8 <br />Batch: 40544 <br />Sample ID: MB -40544 7 <br />Method Blank <br />Run: ICPMS4 -C 140207B <br />02/07/14 21:47 <br />Antimony <br />00006 <br />mg /L <br />0.0002 <br />Arsenic <br />0.0007 <br />mg /L <br />0.0004 <br />Chromium <br />0.002 <br />mg /L <br />0.0002 <br />Copper <br />ND <br />mg /L <br />6E -05 <br />Lead <br />0.0003 <br />mg /L <br />4E -05 <br />Thallium <br />ND <br />mg /L <br />6E -05 <br />Uranium <br />ND <br />mg /L <br />4E -05 <br />Sample ID: LCS3 -40544 7 <br />Laboratory Control Sample <br />Run: ICPMS4- C_140207B <br />02/07/14 21.52 <br />Antimony <br />0.56 <br />mg /L <br />0.0010 <br />113 <br />85 <br />115 <br />Arsenic <br />0.51 <br />mg /L <br />0.0010 <br />101 <br />85 <br />115 <br />Chromium <br />0.48 <br />mg /L <br />0.050 <br />97 <br />85 <br />115 <br />Copper <br />0.48 <br />mg /L <br />0.010 <br />96 <br />85 <br />115 <br />Lead <br />0.50 <br />mg /L <br />0.0010 <br />101 <br />85 <br />115 <br />Thallium <br />0.48 <br />mg /L <br />0.00040 <br />96 <br />85 <br />115 <br />Uranium <br />0.54 <br />mg /L <br />0.00030 <br />108 <br />85 <br />115 <br />Sample lD: C14020109 -001 DMS3 7 <br />Sample Matrix <br />Spike <br />Run: ICPMS4- C_140207B <br />02/07/14 23:05 <br />Antimony <br />0.57 <br />mg /L <br />0.0010 <br />114 <br />70 <br />130 <br />Arsenic <br />050 <br />mg /L <br />0.0010 <br />99 <br />70 <br />130 <br />Chromium <br />0.49 <br />mg /L <br />0.050 <br />97 <br />70 <br />130 <br />Copper <br />0.47 <br />mg /L <br />0.010 <br />94 <br />70 <br />130 <br />Lead <br />0.52 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />Thallium <br />050 <br />mg /L <br />0.00040 <br />100 <br />70 <br />130 <br />Uranium <br />0.57 <br />mg /L <br />0.00030 <br />113 <br />70 <br />130 <br />Sample ID: 014020109- 00113MS133 7 <br />Sample Matrix <br />Spike Duplicate <br />Run: ICPMS4- C_140207B <br />02/07/14 23:08 <br />Antimony <br />0.56 <br />mg /L <br />0.0010 <br />113 <br />70 <br />130 1.2 <br />20 <br />Arsenic <br />0.50 <br />mg /L <br />0.0010 <br />100 <br />70 <br />130 1.0 <br />20 <br />Chromium <br />0.49 <br />mg /L <br />0.050 <br />98 <br />70 <br />130 1.2 <br />20 <br />Copper <br />0.48 <br />mg /L <br />0.010 <br />95 <br />70 <br />130 1.4 <br />20 <br />Lead <br />0.52 <br />mg /L <br />0.0010 <br />104 <br />70 <br />130 0.2 <br />20 <br />Thallium <br />0.50 <br />mg /L <br />0.00040 <br />100 <br />70 <br />130 0.2 <br />20 <br />Uranium <br />0.57 <br />mg /L <br />0.00030 <br />113 <br />70 <br />130 0.4 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - <br />Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 16 of 26 <br />