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wwwtnergylab.com Helena, W 617- 472 -0711 • Billings, W 808 -735 -4489 • Casper, WY 888 - 235 -0515 <br />Aafy�Cilfrc+�inrassaaa lays Gillette, WY 666 -686 -7175 • Rapid City, SD 888 -672 -1225 0 CDIIege Station, TX 888- 690 -2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 05/01/13 <br />Project: Schwartz SW 4/03/13 S26861 Work Order: 013040193 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: D2036C Analytical Run: SUB- B202519 <br />Sample ID: ICV Initial Calibration Verification Standard 04/05/13 11:13 <br />Cyanide, Weak Acid Dissociable 0.101 mg /L 0.0050 101 90 110 <br />Method: D2036C <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Run. SUB- B202519 <br />Cyanide, Weak Acid Dissociable <br />0.0995 mg /L <br />0.0050 <br />100 90 110 <br />Sample ID: MB <br />Method Blank <br />Run: SUB - 6202519 <br />Cyanide, Weak Acid Dissociable <br />ND mg /L <br />0.002 <br />Sample ID: B13040276- 007EMS <br />Sample Matrix Spike <br />Run: SUB - 6202519 <br />Cyanide, Weak Acid Dissociable <br />0.995 mg /L <br />0.020 <br />91 80 120 <br />Sample ID: B13040276- 007EMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B202519 <br />Cyanide, Weak Acid Dissociable <br />0.984 mg /L <br />0.020 <br />89 80 120 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Batch: B R202519 <br />04/05/13 11:15 <br />04/05/13 11:17 <br />04/05/13 12:17 <br />04/05/13 12:20 <br />1.1 10 <br />Page 9 of 25 <br />