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www.enerdab.com Helena, MT 877 - 472 -0711 • Billings, W 600 - 735.4489 • Casper, WY 888- 235 -0515 <br />A"'h*'r Si0cf IZ2 Gillette, WY 866 -686 -1175 • Rapid City, SD 8BB -672 -1225 • College Station, ix 888 - 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 06/27/13 <br />Project: Schwartz SW 5/22/13 S26997 TH S26998 Work Order: C13050907 1 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: D2036C Analytical Run: SUB- B205672 <br />Sample ID: ICV Initial Calibration Verification Standard 06/03/13 11:13 <br />Cyanide, Weak Acid Dissociable 0.0979 mg /L 0.0050 98 90 110 <br />Method: D2036C <br />Sample ID: LFB <br />Cyanide, Weak Acid Dissociable <br />Sample ID: MB <br />Cyanide, Weak Acid Dissociable <br />Sample ID: B13052234- 001GMS <br />Cyanide, Weak Acid Dissociable <br />Sample ID: B13052234- 001GMSD <br />Cyanide, Weak Acid Dissociable <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Laboratory Fortified Blank <br />0.0968 mg /L <br />Method Blank <br />ND mg /L <br />Sample Matrix Spike <br />0.101 mg /L <br />Run: SUB- B205672 <br />0.0050 97 90 110 <br />Run: SUB - 6205672 <br />0.002 <br />Run: SUB- B205672 <br />0.0050 101 80 120 <br />Sample Matrix Spike Duplicate Run. SUB- B205672 <br />0.101 mg /L 0.0050 101 80 120 <br />ND - Not detected at the reporting limit. <br />Batch: B R205672 <br />06/03/13 11:16 <br />06/03/13 11:18 <br />06/03/13 12:18 <br />06/03/13 12:21 <br />0.3 10 <br />Page 10 of 29 <br />