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• www.wadab.com Helena, MT 677- 472 -0711 • Billings, MAT 800- 735 -4489 • Casper, WY 888 - 235 -0515 <br />- AsaWal EndWr" Sku 1931 <br />Gillette, WY 866 -686 -7175 • Rapid City, SO 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 />Project: Schwartz -SW 12/1/14 S27813 and S27815 <br />Analyte Count Result Units <br />Method: D2036C <br />Report Date: 12/29/14 <br />Work Order: C14120088 <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Analytical Run: SUB- B234909 <br />Lab ID: ICV Initial Calibration Verification Standard 12/05/14 10:49 <br />Cyanide, Weak Acid Dissociable 0.104 mg /L 0.0050 104 90 110 <br />Method: D2036C <br />Lab ID: ICB <br />Cyanide, Weak Acid Dissociable <br />Lab ID: LFB <br />Cyanide, Weak Acid Dissociable <br />Lab ID: LCS1 -ZnCN <br />Cyanide, Weak Acid Dissociable <br />Lab ID: B14111619- 001EMS <br />Cyanide, Weak Acid Dissociable <br />Lab ID: B14111619- 001EMSD <br />Cyanide, Weak Acid Dissociable <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Method Blank <br />ND mg /L <br />0.002 <br />Laboratory Fortified Blank <br />0.0926 mg /L <br />0.0050 <br />Laboratory Control Sample <br />0.0913 mg /L <br />0.0050 <br />Sample Matrix Spike <br />0.0978 mg /L <br />0.0050 <br />Sample Matrix Spike Duplicate <br />0.0931 mg /L <br />0.0050 <br />Run: SUB- B234909 <br />Run: SUB- B234909 <br />93 90 110 <br />Run: SUB- B234909 <br />91 90 110 <br />Run: SUB- B234909 <br />94 80 120 <br />Run: SUB - 8234909 <br />89 80 120 <br />ND - Not detected at the reporting limit. <br />Batch: B R234909 <br />12/05/14 10:52 <br />12/05/14 10:54 <br />12/05/14 10:57 <br />12/05/14 12:13 <br />12/05/14 12:15 <br />4.9 10 <br />Page 8 of 25 <br />