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• www.energylab.com Helena, MT 877- 472 -0711 • Billings, SAT 800- 735 -4489 • Gasper, WY 888- 235 -0515 <br />F'°�e�r'°a sagoe. 1951 Gillette, wy 866 -686 -7175 • Rapid City, SO 886 - 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 />06/12/13 <br />Project: Schwartz 5/16/13 S26976- S26978 & S26980- S26983 <br />Work Order: <br />C13050679 <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_130522A <br />Sample ID: ICV <br />Initial Calibration Verification Standard <br />05/22/13 10:07 <br />Mercury <br />0.00512 mg /L <br />0.00010 <br />102 90 110 <br />Method: E245.1 <br />Batch: 37585 <br />Sample ID: MB -37585 <br />Method Blank <br />Run: CVAA_C203_130522A <br />05/22/13 10:14 <br />Mercury <br />ND mg /L <br />7E -05 <br />Sample ID: LCS -37585 <br />Laboratory Control Sample <br />Run: CVAA_C203_130522A <br />05/22/13 10:15 <br />Mercury <br />0.00541 mg /L <br />0.00010 <br />108 85 115 <br />Sample ID: C13050679- 003DMS <br />Sample Matrix Spike <br />Run: CVAA_C203_130522A <br />05/22/13 10:35 <br />Mercury <br />0.00550 mg /L <br />0.00010 <br />110 70 130 <br />Sample ID: C13050679- 003DMSD <br />Sample Matrix Spike Duplicate <br />Run: CVAA_C203_130522A <br />05/22/13 10:37 <br />Mercury <br />0.00539 mg /L <br />0.00010 <br />108 70 130 2.1 <br />10 <br />Method: E245.1 Batch: R173886 <br />Sample ID: [PC Instrument Performance Check Sample Run: CVAA_C203_130522A 05/22/13 10:10 <br />Mercury 0.00519 mg /L 0.00010 104 95 105 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 22 of 37 <br />