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www.meab.com Helena, MT 877- 472 -0711 a Billings, MT 801 -735 -4489 • Casper, WY 888 -235 -6515 <br />,u,r E,ae.�ro. sabDe. test Gillette, WY 816 -686 -7175 • Rapid City, SD 888 -672 -1225 a College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 09/30/13 <br />Project: Schwartz SW 09/05/13 S27131 Work Order: 013090222 <br />Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 <br />5 Laboratory Control Sample <br />Batch: 38961 <br />Analytical Run: ICPMS2- C_130916A <br />Sample ID: ICV <br />5 Initial Calibration Verification Standard <br />Run: ICPMS2- C_130916A 09/17/13 03 28 <br />Antimony <br />09/17/13 03:12 <br />Antimony <br />0.0536 mg /L 0.0010 <br />107 <br />90 <br />110 <br />Arsenic <br />0.0513 mg /L 0.0010 <br />103 <br />90 <br />110 <br />Lead <br />0.0510 mg /L 0.0010 <br />102 <br />90 <br />110 <br />Uranium <br />0.0517 mg /L 0.00030 <br />103 <br />90 <br />110 <br />Zinc <br />0.0516 mg /L 0.0010 <br />103 <br />90 <br />110 <br />Method: E200.8 <br />5 Laboratory Control Sample <br />Batch: 38961 <br />Sample ID: MB -38961 <br />5 Method Blank <br />09/17/13 03:31 <br />Run: ICPMS2- C_130916A 09/17/13 03 28 <br />Antimony <br />0.0004 <br />mg /L <br />0.0002 <br />Arsenic <br />ND <br />mg /L <br />0.0003 <br />Lead <br />ND <br />mg /L <br />3E -05 <br />Uranium <br />ND <br />mg /L <br />9E -06 <br />Zinc <br />ND <br />mg /L <br />0.0005 <br />Sample ID: LCS3 -38961 <br />5 Laboratory Control Sample <br />Run: ICPMS2- C_130916A <br />09/17/13 03:31 <br />Antimony <br />0.532 mg /L <br />0.0010 <br />106 <br />85 115 <br />Arsenic <br />0.492 mg /L <br />0.0010 <br />99 <br />85 115 <br />Lead <br />0.525 mg /L <br />0.0010 <br />105 <br />85 115 <br />Uranium <br />0.558 mg /L <br />0.00030 <br />112 <br />85 115 <br />Zinc <br />0.445 mg /L <br />0.010 <br />89 <br />85 115 <br />Sample ID: C13090222 -001 DMS3 <br />5 Sample Matrix Spike <br />Run: ICPMS2- C_130916A <br />09/17/13 03:40 <br />Antimony <br />0.543 mg /L <br />0.0010 <br />109 <br />70 130 <br />Arsenic <br />0.509 mg /L <br />0.0010 <br />102 <br />70 130 <br />Lead <br />0.531 mg /L <br />0.0010 <br />106 <br />70 130 <br />Uranium <br />0.562 mg /L <br />0.00030 <br />111 <br />70 130 <br />Zinc <br />0.464 mg /L <br />0.010 <br />91 <br />70 130 <br />Sample ID: C13090222 -001 DMSD3 <br />5 Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_130916A <br />09/17/13 03:43 <br />Antimony <br />0.537 mg /L <br />0.0010 <br />107 <br />70 130 <br />1.0 <br />20 <br />Arsenic <br />0.492 mg /L <br />0.0010 <br />98 <br />70 130 <br />3.3 <br />20 <br />Lead <br />0.525 mg /L <br />0.0010 <br />105 <br />70 130 <br />1.1 <br />20 <br />Uranium <br />0.562 mg /L <br />0.00030 <br />111 <br />70 130 <br />0.1 <br />20 <br />Zinc <br />0.454 mg /L <br />0.010 <br />89 <br />70 130 <br />2.1 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 14 of 27 <br />