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www.ener&b.com Helena, W 877472 -0711 - Billings, MT 800- 735 -4489 - Casper, WY 888- 235 -8515 <br />1cs 2w t� Gillette, WY 866 -686 -7175 - 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: <br />Cotter Corporation <br />Report Date: <br />09/05/13 <br />Project: <br />Schwartz SW 8/6/13 S27019 <br />Work Order: <br />C13080305 <br />F alyte <br />Count Result Units RL <br />° /4REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: <br />E245.1 <br />Analytical Run: CVAA_C203_130814A <br />Sample ID: <br />ICV Initial Calibration Verification Standard <br />08/14/13 15:18 <br />Mercury <br />0.00500 mg /L 0.00010 <br />100 90 110 <br />ND mg /L <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 />0.00010 <br />111 <br />70 130 <br />Sample ID: <br />C13080328 -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 16 of 25 <br />