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• www.erar&b.CDM J Helena, MT 077 - 472 -0711 • Billings, MT 600- 735 -4469 • Casper, WY 866- 235 -6515 <br />Aaylki E=#j 2= tl9t Gillette, WY 666 -666 -7175 • Rapid City, SD 066- 672 -1225 • College Station, TX 886 - 690 -2210 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/21/14 <br />Project: Schwartz - SW 02/07/14 S27324, S27325 Work Order: 014020242 <br />Analyte Count Result Units RL ° /.REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 Analytical Run: ICPMS2- C_140213C <br />Sample ID: ICV Initial Calibration Verification Standard 02/13/14 15:20 <br />Uranium 00492 mg /L 0.00030 98 90 110 <br />Method: <br />E200.8 <br />Batch: 40605 <br />Sample ID: <br />MB -40605 <br />Method Blank <br />Run: ICPMS2- C_140213C <br />02/13/14 16:42 <br />Uranium <br />ND mg /L <br />9E -06 <br />Sample ID: <br />LCS3 -40605 <br />Laboratory Control Sample <br />Run: ICPMS2- C_140213C <br />02/13/14 16:46 <br />Uranium <br />0.534 mg /L <br />0.00030 <br />107 <br />85 115 <br />Sample ID: <br />014020235- 003CMS3 <br />Sample Matrix Spike <br />Run: ICPMS2- C_140213C <br />02/13/14 16:58 <br />Uranium <br />0.520 mg /L <br />0.00030 <br />104 <br />70 130 <br />Sample ID: <br />C14020235- 003CMSD3 <br />Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_140213C <br />02/13/14 17 01 <br />Uranium <br />0.523 mg /L <br />0.00030 <br />105 <br />70 130 0.5 <br />20 <br />Method: <br />E200.8 <br />Analytical Run: ICPMS2- C_140214A <br />Sample ID: <br />ICV <br />Initial Calibration Verification Standard <br />02/14/14 14:25 <br />Uranium <br />0.0506 mg /L <br />0.00030 <br />101 <br />90 110 <br />Method: <br />E200.8 <br />Batch: R183720 <br />Sample ID: <br />LRB <br />Method Blank <br />Run: ICPMS2- C_140214A <br />02/14/14 15:04 <br />Uranium <br />ND mg /L <br />1 E -05 <br />Sample ID: <br />LFB <br />Laboratory Fortified Blank <br />Run: ICPMS2- C_140214A <br />02/14/14 15:07 <br />Uranium <br />0.0520 mg /L <br />0.00030 <br />104 <br />85 115 <br />Sample ID: <br />C14020331- 001AMS <br />Sample Matrix Spike <br />Run: ICPMS2- C_140214A <br />02/14/14 16:41 <br />Uranium <br />0.0580 mg /L <br />0.00030 <br />108 <br />70 130 <br />Sample ID: <br />C14020331- 001AMSD <br />Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_140214A <br />02/14/14 16:44 <br />Uranium <br />0.0567 mg /L <br />0.00030 <br />105 <br />70 130 2.4 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 4 of 10 <br />