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�- www.energylab.com ! Helena, MT 877- 472 -6711 - Billings, MT 600- 735 -4469 - Casper, WY 886- 235 -0515 <br />AetlWWEwdamwSiam rest Gillette, WY 866 -666 -1175 - 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 />Project: Schwartz SW 11/6/13 S27253 S27255 S27256 <br />Analyte Count Result Units <br />Method: E245.1 <br />Report Date: 12/10/13 <br />Work Order: 01 31 1 0305 <br />RL 0/6REC Low Limit High Limit RPD RPDLimit Qual <br />Analytical Run: CVAA_C203_131108A <br />Sample ID: ICV Initial Calibration Verification Standard 11/08/13 13:19 <br />Mercury 0.00499 mg /L 0.00010 100 90 110 <br />Method: <br />E245.1 <br />Batch: 131108A <br />Sample ID: <br />IPC <br />Instrument Performance Check Sample <br />Run: CVAA_C203_131108A <br />11/08/13 13:27 <br />Mercury <br />0.00524 mg /L <br />0.00010 <br />105 <br />95 105 <br />Method: <br />E245.1 <br />Batch: 39712 <br />Sample ID: <br />MB -39712 <br />Method Blank <br />Run: CVAA C203 131108A <br />11/08/13 13:32 <br />Mercury <br />ND mg /L <br />7E -05 <br />Sample ID: <br />LCS -39712 <br />Laboratory Control Sample <br />Run: CVAA_C203_131108A <br />11/08/13 13:34 <br />Mercury <br />0.00518 mg /L <br />0.00010 <br />104 <br />85 115 <br />Sample ID: <br />C13110305 -001 DMS <br />Sample Matrix Spike <br />Run: CVAA_C203_131108A <br />11/08/13 13:47 <br />Mercury <br />0.00523 mg /L <br />0.00010 <br />105 <br />70 130 <br />Sample ID: <br />013110305 -001 DMSD <br />Sample Matrix Spike Duplicate <br />Run: CVAA_C203_131108A <br />11/08/13 13:49 <br />Mercury <br />0.00520 mg /L <br />0.00010 <br />104 <br />70 130 0.6 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 19 of 30 <br />