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www.m&ab.com r Helena, MT 871 -472 -0711 - Billings, W 800 -735 -4489 - Casper, WY 888- 235 -8515 <br />Aa**slEwadGaarAm IM ! 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 />Report Date: <br />07/12/13 <br />Schwartz - GW 06/19/13 <br />S27006 - S27007 <br />Work Order: <br />C13060719 <br />PProject: <br />Analyte Count Result Units <br />RL <br />° /.REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: E200.8 <br />Analytical Run: ICPMS4- C_130708A <br />Sample ID: ICV <br />5 Initial Calibration Verification Standard <br />07/08/13 12:35 <br />Antimony <br />0.0523 mg /L <br />0.0010 <br />105 <br />90 <br />110 <br />Copper <br />0.0492 mg /L <br />0.0010 <br />98 <br />90 <br />110 <br />Molybdenum <br />0.0491 mg /L <br />0.0010 <br />98 <br />90 <br />110 <br />Thallium <br />0.0505 mg /L <br />0.0010 <br />101 <br />90 <br />110 <br />Uranium <br />0.0494 mg /L <br />0.00030 <br />99 <br />90 <br />110 <br />Method: E200.8 <br />Batch: R175671 <br />Sample ID: LRB <br />5 Method Blank <br />Run: ICPMS4- C_130708A <br />07/08/13 13:35 <br />Antimony <br />0.0005 mg /L <br />0.0001 <br />Copper <br />ND mg /L <br />3E -05 <br />Molybdenum <br />8E -05 mg /L <br />3E -05 <br />Thallium <br />ND mg /L <br />6E -05 <br />Uranium <br />1 E -05 mg /L <br />9E -06 <br />Sample ID: LFB <br />5 Laboratory Fortified Blank <br />Run: ICPMS4- C_130708A <br />07/08/13 13:39 <br />Antimony <br />0.0534 mg /L <br />0.0010 <br />106 <br />85 <br />115 <br />Copper <br />0.0520 mg /L <br />0.0010 <br />104 <br />85 <br />115 <br />Molybdenum <br />0.0537 mg /L <br />0.0010 <br />107 <br />85 <br />115 <br />Thallium <br />0.0542 mg /L <br />0.0010 <br />108 <br />85 <br />115 <br />Uranium <br />0.0539 mg /L <br />0.00030 <br />108 <br />85 <br />115 <br />Sample ID: C13060719 -001 CMS4 <br />5 Sample Matrix Spike <br />Run: ICPMS4- C_130708A <br />07/08/13 2055 <br />Antimony <br />0.0563 mg /L <br />0.0010 <br />113 <br />70 <br />130 <br />Copper <br />0.0500 mg /L <br />0.0050 <br />98 <br />70 <br />130 <br />Molybdenum <br />0.220 mg /L <br />0.0010 <br />104 <br />70 <br />130 <br />Thallium <br />0.0520 mg /L <br />0.00050 <br />104 <br />70 <br />130 <br />Uranium <br />0.0925 mg /L <br />0.00030 <br />100 <br />70 <br />130 <br />Sample ID: C13060719 -001 CMSD4 <br />5 Sample Matrix Spike Duplicate <br />Run: ICPMS4- C_130708A <br />07/08/13 20:59 <br />Antimony <br />0.0565 mg /L <br />0.0010 <br />113 <br />70 <br />130 0.4 <br />20 <br />Copper <br />0.0498 mg /L <br />0.0050 <br />98 <br />70 <br />130 0.4 <br />20 <br />Molybdenum <br />0.217 mg /L <br />0.0010 <br />98 <br />70 <br />130 1.5 <br />20 <br />Thallium <br />0.0529 mg /L <br />0.00050 <br />106 <br />70 <br />130 1.7 <br />20 <br />Uranium <br />0.0943 mg /L <br />0.00030 <br />103 <br />70 <br />130 1.9 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 12 of 23 <br />