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wwwtwgylab.com Helena, MT 877- 472 -0711 • Billings, MT 800 -735 -4489 • Casper, WY 888 - 235 -1515 <br />Ar~ 9kc' ?W Gillette, WY 866 -6118 -7175 • Rapid City, SD 888- 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 02/04/14 S27321 <br />Analyte <br />Count Result Units <br />Method: <br />E200.8 <br />Sample ID: <br />C14020109- 001DMSD3 8 Sample Matrix Spike Duplicate <br />Lead <br />0.52 mg /L <br />Silver <br />0.055 mg /L <br />Thallium <br />0.50 mg /L <br />Uranium <br />0.57 mg /L <br />0.00 <br />0.0 <br />0.000 <br />0.000 <br />Method: E200.8 Analytical Run: ICPMS4- C_140304A <br />Sample ID. ICV Initial Calibration Verification Standard 03/04/14 12:02 <br />Zinc 0.0514 mg /L 0.0010 103 90 110 <br />Method: <br />E200.8 <br />Revised Date: 03/06/14 <br />LRB <br />Method Blank <br />Zinc <br />Report Date: <br />02/24/14 <br />Sample ID: <br />LFB <br />Laboratory Fortified Blank <br />Work Order: <br />C14020109 <br />RL <br />%REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />0.0569 mg /L <br />Sample ID: <br />C14020109- 001JMSD4 <br />Batch: 40544 <br />Zinc <br />Run: ICPMS4- C_140207B <br />02/07/14 23:08 <br />10 <br />104 <br />70 <br />130 02 <br />20 <br />10 <br />109 <br />70 <br />130 0.9 <br />20 <br />40 <br />100 <br />70 <br />130 0.2 <br />20 <br />30 <br />113 <br />70 <br />130 04 <br />20 <br />Method: E200.8 Analytical Run: ICPMS4- C_140304A <br />Sample ID. ICV Initial Calibration Verification Standard 03/04/14 12:02 <br />Zinc 0.0514 mg /L 0.0010 103 90 110 <br />Method: <br />E200.8 <br />Sample ID: <br />LRB <br />Method Blank <br />Zinc <br />ND mg /L <br />Sample ID: <br />LFB <br />Laboratory Fortified Blank <br />Zinc <br />0.0506 mg /L <br />Sample ID: <br />C14020109- 001JMS4 <br />Sample Matrix Spike <br />Zinc <br />0.0569 mg /L <br />Sample ID: <br />C14020109- 001JMSD4 <br />Sample Matrix Spike Duplicate <br />Zinc <br />0.0602 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />Batch: R184188 <br />Run: ICPMS4 -C 140304A 03/04/1412:56 <br />0.0002 <br />Run: ICPMS4- C_140304A 03/04/14 13:01 <br />0.0010 101 85 115 <br />Run: ICPMS4- C_140304A 03/05/14 01:46 <br />0.010 111 70 130 <br />Run: ICPMS4- C_140304A 03/05/14 01:50 <br />0.010 118 70 130 5.6 20 <br />ND - Not detected at the reporting limit <br />Page 17 of 27 <br />