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• www. aiDleb.com Helena, MT 877 472 -0711 - Billings, W 808 -735 4489 - Casper, WY 888 -235 -0515 <br />• 'a' A- IJV f Gillette, WY 886 -686 -1175 • Rapid City, SD 888- 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 />10/24/13 <br />Project: Schwartz GW 9/25/13 S27178 & S27179 <br />Work Order: <br />C13091022 <br />FAnalyte <br />Count Result Units <br />RL <br />° /.REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: E200.8 <br />Batch: R179153 <br />Sample ID: LRB <br />3 Method Blank <br />Run: ICPMS4- C_131003A <br />10/03/13 12:51 <br />Uranium <br />ND mg /L <br />9E -06 <br />Sample ID: LFB <br />3 Laboratory Fortified Blank <br />Run: ICPMS4- C_131003A <br />10/03/13 12:55 <br />Antimony <br />0.0475 mg /L <br />00010 <br />94 <br />85 115 <br />Thallium <br />0.0529 mg /L <br />0.0010 <br />106 <br />85 115 <br />Uranium <br />0.0530 mg /L <br />0.00030 <br />106 <br />85 115 <br />Sample ID: C13090972- 009BMS4 <br />3 Sample Matrix Spike <br />Run. ICPMS4- C_131003A <br />10/03/13 23:50 <br />Antimony <br />0.110 mg /L <br />0.0010 <br />110 <br />70 130 <br />Thallium <br />0.114 mg /L <br />0.00050 <br />114 <br />70 130 <br />Uranium <br />0.353 mg /L <br />0.00030 <br />119 <br />70 130 <br />Sample ID: C13090972- 009BMSD4 3 Sample Matrix Spike Duplicate <br />Run: ICPMS4- C_131003A <br />10/03/13 23:55 <br />Antimony <br />0110 mg /L <br />0.0010 <br />110 <br />70 130 0.4 <br />20 <br />Thallium <br />0.113 mg /L <br />0.00050 <br />113 <br />70 130 1.0 <br />20 <br />Uranium <br />0.352 mg /L <br />0.00030 <br />119 <br />70 130 0.1 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 15 of 26 <br />