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www.energylabxcom ! Helena, MT 877 - 472 -0711 • Billings, MT 808 -735 -4469 * Casper, WY 888- 235 -0515 <br />a'a ' IJU J Gillette, WY 866 -686 -7175 • Rapid City, SO 888 -672 -1225 • College Station, TX 808 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 09/05/13 <br />Project: Schwartz SW 8/6/13 S27019 Work Order: 013080305 <br />[Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual <br />Method: D2036C Analytical Run: SUB - 13209889 <br />Sample ID: ICV Initial Calibration Verification Standard 08/13/13 12:14 <br />Cyanide, Weak Acid Dissociable 0.0946 mg /L 0.0050 95 90 110 <br />Method: D2036C <br />Batch: B R209889 <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Run: SUB- B209889 <br />08/13/13 12:17 <br />Cyanide, Weak Acid Dissociable <br />0.0992 mg /L <br />0.0050 <br />99 90 110 <br />Sample ID: ICB <br />Method Blank <br />Run: SUB- B209889 <br />08/13/13 12:19 <br />Cyanide, Weak Acid Dissociable <br />ND mg /L <br />0.002 <br />Sample ID: 613080705- 004DMS <br />Sample Matrix Spike <br />Run: SUB - 6209889 <br />08/13/13 13:16 <br />Cyanide, Weak Acid Dissociable <br />0.0928 mg /L <br />0.0050 <br />93 80 120 <br />Sample ID: B13080705- 004DMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B209889 <br />08/13/13 13:19 <br />Cyanide, Weak Acid Dissociable <br />0.0946 mg /L <br />0.0050 <br />95 80 120 <br />1.9 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 />