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www.emgylab.com Helena, MT 077 -472 -0711 • Billings, MT 800 - 735-4489 • Casper, WY 088- 235 -8515 <br />Ewa% = parr 1052 J Gillette, WY 866 -606 -7175 • Rapid City, SD 686 -672 -1225 • College Station, TX 880 -690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Report Date: <br />12/10/13 <br />Project: Schwartz SW 11/6/13 S27253 S27255 S27256 <br />Work Order: <br />C13110305 <br />Analyte <br />Count Result units <br />RL <br />%REC Low Limit High Limit RPD <br />RPDLimit Qual <br />Method: <br />E200.8 <br />Analytical Run: ICPMS4- C_131112A <br />Sample ID: <br />ICV <br />Initial Calibration Verification Standard <br />11/12/13 10:43 <br />Uranium <br />0.0505 mg /L <br />0.00030 <br />101 90 110 <br />Method: <br />E200.8 <br />Batch: R180688 <br />Sample ID: <br />LRB <br />Method Blank <br />Run: ICPMS4 -C 131112A <br />11/12/13 10:56 <br />Uranium <br />ND mg /L <br />9E -06 <br />Sample ID: <br />LFB <br />Laboratory Fortified Blank <br />Run: ICPMS4- C_131112A <br />11/12/13 11:32 <br />Uranium <br />0.0483 mg /L <br />0.00030 <br />97 85 115 <br />Sample ID: <br />C13110305- 003AMS <br />Sample Matrix Spike <br />Run: ICPMS4- C_131112A <br />11/12/13 16:29 <br />Uranium <br />4.27 mg /L <br />0.00030 <br />70 130 <br />A <br />Sample ID: <br />C13110305- 003AMSD <br />Sample Matrix Spike Duplicate <br />Run: ICPMS4- C_131112A <br />11/12/13 16:30 <br />Uranium <br />4.21 mg /L <br />0.00030 <br />70 130 1.5 <br />20 A <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />A - The analyte level was greater than four times the spike level. In <br />accordance with the method % recovery is not calculated. <br />MDC - Minimum detectable concentration <br />Page 15 of 30 <br />