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rin www.awvsb.com � Helena, MT 877 -472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 868- 235 -0515 <br />Gillette, WY 866- 686 -7175 • Rapid City, SD 886 -672 -1225 • College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper WY Branch <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 17 of 26 <br />Revised Date: 09/04/13 <br />Client: Cotter Corporation <br />Report Date: <br />09/03/13 <br />Project: Schwartz -SW 8/6/13 <br />S27020 <br />Work Order: <br />C13080303 <br />Analyte <br />Count Result Units <br />RL <br />%REC <br />Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: <br />E245.1 <br />Analytical Run: CVAA_C203_130814A <br />Sample ID: <br />ICV <br />Initial Calibration Verification Standard <br />08/14/13 15:18 <br />Mercury <br />0.00500 mg /L <br />0.00010 <br />100 <br />90 110 <br />Method: <br />E245.1 <br />Batch: 130814F <br />Sample ID: <br />IPC <br />Instrument Performance Check Sample <br />Run: CVAA_C203_130814A <br />08/14/13 15:21 <br />Mercury <br />0.00512 mg /L <br />0.00010 <br />102 <br />95 105 <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 />013080328 -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 17 of 26 <br />