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www.efweab.com � Helena, MT 071 472 -0711 • Billings, W 800 - 7354469 • Casper, WY 880- 235 -0515 <br />W &ohm Am 1132 Gillette, WY 866 -686 -7175 • Rapid City, SD 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: 06/06/13 <br />Project: Schwartz SW 05/08/13 <br />S26872 <br />Work Order: 013050363 <br />Analyte Count Result <br />Units <br />RL <br />° /.REC <br />Low Limit <br />High Limit RPD RPDLimit Qual <br />Method: E200.8 <br />Analytical Run: ICPMS2- C_130513A <br />Sample ID: ICV <br />9 Initial Calibration Verification Standard <br />05/13/13 12:03 <br />Aluminum <br />0.0490 <br />mg /L <br />0.0010 <br />98 <br />90 <br />110 <br />Antimony <br />0.0527 <br />mg /L <br />0.0010 <br />105 <br />90 <br />110 <br />Copper <br />00501 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Manganese <br />0.0500 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Molybdenum <br />0.0504 <br />mg /L <br />00010 <br />101 <br />90 <br />110 <br />Silver <br />0.0200 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Thallium <br />0.0506 <br />mg /L <br />0.0010 <br />101 <br />90 <br />110 <br />Uranium <br />0.0507 <br />mg /L <br />0.00030 <br />101 <br />90 <br />110 <br />Zinc <br />0.0500 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Method: E200.8 <br />Batch: R173524 <br />Sample ID: LRB <br />9 Method Blank <br />Run: ICPMS2- C_130513A 05/13/13 12:29 <br />Aluminum <br />ND <br />mg /L <br />0.001 <br />Antimony <br />9E -05 <br />mg /L <br />6E -05 <br />Copper <br />ND <br />mg /L <br />0.0001 <br />Manganese <br />ND <br />mg /L <br />2E -05 <br />Molybdenum <br />ND <br />mg /L <br />4E -05 <br />Silver <br />ND <br />mg /L <br />5E -05 <br />Thallium <br />ND <br />mg /L <br />9E -06 <br />Uranium <br />ND <br />mg /L <br />1 E -05 <br />Zinc <br />0.0009 <br />mg /L <br />0.0006 <br />Sample ID: LFB <br />9 Laboratory Fortified Blank <br />Run: ICPMS2- C_130513A 05/13/13 12:32 <br />Aluminum <br />0.0500 <br />mg /L <br />0.0010 <br />100 <br />85 <br />115 <br />Antimony <br />0.0509 <br />mg /L <br />0.0010 <br />102 <br />85 <br />115 <br />Copper <br />0.0516 <br />mg /L <br />0.0010 <br />103 <br />85 <br />115 <br />Manganese <br />0.0497 <br />mg /L <br />0.0010 <br />99 <br />85 <br />115 <br />Molybdenum <br />0.0503 <br />mg /L <br />0.0010 <br />101 <br />85 <br />115 <br />Silver <br />0.0194 <br />mg /L <br />0.0010 <br />97 <br />85 <br />115 <br />Thallium <br />0.0517 <br />mg /L <br />0.0010 <br />103 <br />85 <br />115 <br />Uranium <br />0.0518 <br />mg /L <br />0.00030 <br />104 <br />85 <br />115 <br />Zinc <br />0.0523 <br />mg /L <br />0.0010 <br />103 <br />85 <br />115 <br />Sample ID: C13050365- 003BMS4 <br />9 Sample Matrix Spike <br />Run: ICPMS2- C_130513A 05/13/13 18:51 <br />Aluminum <br />0.0570 <br />mg /L <br />0.030 <br />96 <br />70 <br />130 <br />Antimony <br />0.0561 <br />mg /L <br />0.0010 <br />112 <br />70 <br />130 <br />Copper <br />0.0483 <br />mg /L <br />0.0050 <br />95 <br />70 <br />130 <br />Manganese <br />0.272 <br />mg /L <br />0.0010 <br />70 <br />130 A <br />Molybdenum <br />0.0551 <br />mg /L <br />0.0010 <br />101 <br />70 <br />130 <br />Silver <br />0.0181 <br />mg /L <br />0.0010 <br />91 <br />70 <br />130 <br />Thallium <br />0.0507 <br />mg /L <br />0.00050 <br />101 <br />70 <br />130 <br />Uranium <br />0.720 <br />mg /L <br />0.00030 <br />70 <br />130 A <br />Zinc <br />0.0545 <br />mg /L <br />0.010 <br />102 <br />70 <br />130 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />A -The <br />analyte level was greater than four times the spike level. In <br />accordance with <br />the method % recovery is not calculated. <br />ND - Not detected at the reporting limit. <br />MDC <br />- Minimum detectable concentration <br />Page 12 of 26 <br />