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www.ener&b.com Helena, MT 877472 -0711 • Billings, MT 600 -735 -4489 • Casper, WY 888- 235 -1515 <br />'IM J Gillette, WY 866 -686 -7115 • Rapid City, SO 888 -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: 08/26/13 <br />Project: Schwartz GW 08/08/13 S27024 & S27025 Work Order: 013080364 <br />Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E245.1 Analytical Run: CVAA_C203_130814A <br />Sample ID: ICV Initial Calibration Verification Standard 08/14/13 15:18 <br />Mercury 0.00500 mg /L 0.00010 100 90 110 <br />Method: <br />Sample ID: <br />Mercury <br />E245.1 <br />IPC <br />Instrument Performance Check Sample <br />0.00512 mg /L 0.00010 <br />102 <br />Run- CVAA_C203_130814A <br />95 105 <br />Batch: 130814F <br />08/14/13 15:21 <br />Method: <br />E245.1 <br />Batch: 38606 <br />Sample ID: <br />MB -38606 <br />Method Blank <br />Run: CVAA_C203_130814A <br />08/14/13 13:55 <br />Mercury <br />ND mg /L <br />7E -05 <br />Sample ID: <br />LCS -38606 <br />Laboratory Control Sample <br />Run: CVAA_C203_130814A <br />08/14/13 13:56 <br />Mercury <br />0.00571 mg /L <br />0.00010 <br />114 <br />85 115 <br />Sample ID: <br />C13080328 -001 BMS <br />Sample Matrix Spike <br />Run: CVAA_C203_130814A <br />08/14/13 14:03 <br />Mercury <br />0.00554 mg /L <br />000010 <br />111 <br />70 130 <br />Sample ID: <br />013080328 -001 BMSD <br />Sample Matrix Spike Duplicate <br />Run: CVAA_C203_130814A <br />08/14/13 14:04 <br />Mercury <br />0.00532 mg /L <br />0.00010 <br />106 <br />70 130 4.1 <br />10 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 14 of 23 <br />