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• www.energylab.com Helena, MT 877472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888 -235 -0515 <br />Gillette, WY 866 -686 -7175 • Rapid City, SO 880 -672 -1225 • College Station, TX 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/25/14 <br />Project: Schwartz -SW 2/4/14 S27322 Work Order: C14020114 <br />Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual <br />Method: D2036C Analytical Run: SUB - 8219071 <br />Sample ID: ICV Initial Calibration Verification Standard 02/07/14 12:57 <br />Cyanide, Weak Acid Dissociable 0.103 mg /L 0.0050 103 90 110 <br />Method: D2036C <br />Batch: B R219071 <br />Sample ID: LFB <br />Laboratory Fortified Blank <br />Run: SUB- B219071 <br />02/07/14 12:59 <br />Cyanide, Weak Acid Dissociable <br />0.101 mg /L <br />0.0050 <br />101 90 110 <br />Sample ID: ICB <br />Method Blank <br />Run SUB- B219071 <br />02/07/14 13 02 <br />Cyanide, Weak Acid Dissociable <br />ND mg /L <br />0.002 <br />Sample ID: B14020356- 001DMS <br />Sample Matrix Spike <br />Run: SUB- B219071 <br />02/07/14 14:07 <br />Cyanide, Weak Acid Dissociable <br />0.116 mg /L <br />0.0050 <br />105 80 120 <br />Sample ID: B14020356- 001DMSD <br />Sample Matrix Spike Duplicate <br />Run: SUB- B219071 <br />02/07/14 14:10 <br />Cyanide, Weak Acid Dissociable <br />0.120 mg /L <br />0.0050 <br />109 80 120 <br />3.7 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 26 <br />