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• www.emcfiab.com Helena, MT 877 -472 -0711 • Billings, MT 880 -735 -4469 • Casper, WY 888 -235 -0515 <br />IM J 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 />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 9 of 25 <br />Revised Date: 06/18/13 <br />Client: Cotter Corporation <br />Report Date: <br />06/13/13 <br />Project: Schwartz 5/16/13 S26979 <br />Work Order: <br />C13050681 <br />Analyte Count Result Units <br />RL <br />%REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: D2036C <br />Analytical Run. SUB - 6205242 <br />Sample ID: ICV <br />Initial Calibration Verification Standard <br />05/24/13 11:26 <br />Cyanide, Weak Acid Dissociable <br />0.0959 mg /L <br />0.0050 <br />96 90 <br />110 <br />Method: D2036C <br />Batch: B R205242 <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Run: SUB - 6205242 <br />05/24/13 11:29 <br />Cyanide, Weak Acid Dissociable <br />0.0964 mg /L <br />00050 <br />96 90 <br />110 <br />Sample ID: MB <br />Method Blank <br />Run: SUB - 13205242 <br />05/24/13 11 31 <br />Cyanide, Weak Acid Dissociable <br />ND mg /L <br />0.002 <br />Sample ID: B13051709- 003HMS <br />Sample Matrix Spike <br />Run: SUB - 13205242 <br />05/24/13 12:01 <br />Cyanide, Weak Acid Dissociable <br />0.0989 mg /L <br />0.0050 <br />99 80 <br />120 <br />Sample ID: B13051709- 003HMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB - 13205242 <br />05/24/13 12:04 <br />Cyanide, Weak Acid Dissociable <br />0.0998 mg /L <br />0.0050 <br />100 80 <br />120 0.9 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 9 of 25 <br />