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®wwwenergylab.com Helena, W 877472 -0711 • Billings, W 800 - 735 -4489 • Casper, WY 888 -235 -0515 <br />M r ARSyUa►ExcahweSwo 1952 Gillette, WY 866 -686 -7175 • Rapid City, SD 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 />Report Date: <br />02/06/13 <br />Project: Schwartz GW 1/22/13 SSTF: S26783 <br />Work Order: <br />C13010694 <br />Analyte Count Result Units <br />RL <br />%REC Low Limit High Limit RPD <br />RPDLImit Qual <br />Method: E245.1 <br />Analytical Run: CVAA_C203_130125A <br />Sample ID: ICV <br />Initial Calibration Verification Standard <br />01/25/13 10:10 <br />Mercury <br />0.00539 mg /L <br />0.00010 <br />108 90 110 <br />Method: E245.1 <br />Batch: 36383 <br />Sample ID: MB -36383 <br />Method Blank <br />Run: CVAA_C203_130125A <br />01/25/13 10:16 <br />Mercury <br />ND mg /L <br />7E -05 <br />Sample ID: LCS -36383 <br />Laboratory Control Sample <br />Run: CVAA_C203_130125A <br />01/25/13 10:18 <br />Mercury <br />0.00518 mg /L <br />0.00010 <br />104 85 115 <br />Sample ID: 013010689 -001AMS <br />Sample Matrix Spike <br />Run: CVAA_C203_130125A <br />01/25/13 10:26 <br />Mercury <br />0.00464 mg /L <br />0.00010 <br />93 70 130 <br />Sample ID: C13010689 -001AMSD <br />Sample Matrix Spike Duplicate <br />Run: CVAA_C203_130125A <br />01/25/13 10:27 <br />Mercury <br />0.00417 mg /L <br />0.00010 <br />83 70 130 11 <br />10 R <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />R - RPD exceeds advisory limit. <br />Page 11 of 19 <br />