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wwwowgylab.com Helena, MT 817 -472 -0711 • Billings, W 800 - 735 -4489 a Casper, WY 888 - 235 -8515 <br />°Q'a'tJU �' Gillette, WY 866-886 -7175 • Rapid City, SD 888 -872 -1225 • College Station, T% 888 - 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/03/14 <br />Project: Schwartz GW 12/23/13 S27306 Work Order: 013120854 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 <br />2 Initial Calibration Verification Standard <br />0.0535 mg /L 0.0010 <br />0.0206 mg /L 0.0010 <br />107 <br />103 <br />Analytical Run: ICPMS4- C_140102A <br />01/02/1413:04 <br />90 110 <br />90 110 <br />Method: E200.8 <br />Batch: R182158 <br />Sample ID: LFB <br />6 Laboratory Fortified Blank <br />Batch: 40176 <br />Run: ICPMS4- C_131230A <br />2 Method Blank <br />12/30/13 13:20 <br />Molybdenum <br />0.0536 mg /L <br />0.0010 <br />107 <br />85 115 <br />ND <br />mg /L <br />Thallium <br />0.0522 mg /L <br />0.0010 <br />104 <br />85 115 <br />ND <br />mg /L <br />Uranium <br />0.0518 mg /L <br />0.00030 <br />104 <br />85 115 <br />2 Laboratory Control Sample <br />Sample ID: C13120920- 002CMS4 <br />6 Sample Matrix Spike <br />01/03/14 08:02 <br />Antimony <br />Run: ICPMS4- C_131230A <br />mg /L <br />12/30/13 21:20 <br />Antimony <br />0.116 mg /L <br />0.0010 <br />116 <br />70 130 <br />mg /L <br />0.0010 <br />Arsenic <br />0.106 mg /L <br />0.0010 <br />105 <br />70 130 <br />Copper <br />0.104 mg /L <br />0.0050 <br />97 <br />70 130 <br />0.0012 <br />103 <br />Molybdenum <br />0.156 mg /L <br />0.0010 <br />109 <br />70 130 <br />0.0010 <br />93 <br />Thallium <br />0.109 mg /L <br />0.00050 <br />109 <br />70 130 <br />Run: ICPMS4- C_140102A <br />Uranium <br />3.68 mg /L <br />0.00030 <br />mg /L <br />70 130 <br />105 <br />A <br />Sample ID: C13120920- 002CMSD4 <br />6 Sample Matrix Spike Duplicate <br />0.0477 <br />mg /L <br />Run: ICPMS4- C_131230A <br />95 <br />12/30/13 21:41 <br />Antimony <br />0.118 mg /L <br />0.0010 <br />118 <br />70 130 <br />1.6 <br />20 <br />Arsenic <br />0.107 mg /L <br />0.0010 <br />106 <br />70 130 <br />1.3 <br />20 <br />Copper <br />0.110 mg /L <br />0.0050 <br />103 <br />70 130 <br />5.5 <br />20 <br />Molybdenum <br />0.157 mg /L <br />0.0010 <br />110 <br />70 130 <br />0.8 <br />20 <br />Thallium <br />0.109 mg /L <br />0.00050 <br />109 <br />70 130 <br />0.4 <br />20 <br />Uranium <br />3.73 mg /L <br />0.00030 <br />70 130 <br />1.5 <br />20 A <br />Method: E200.8 <br />Sample ID: ICV <br />Antimony <br />Silver <br />2 Initial Calibration Verification Standard <br />0.0535 mg /L 0.0010 <br />0.0206 mg /L 0.0010 <br />107 <br />103 <br />Analytical Run: ICPMS4- C_140102A <br />01/02/1413:04 <br />90 110 <br />90 110 <br />Method: E200.8 <br />Batch: 40176 <br />Sample ID: MB -40176 <br />2 Method Blank <br />Run: ICPMS4- C_140102A <br />01/03/14 07:41 <br />Antimony <br />ND <br />mg /L <br />0.0002 <br />Silver <br />ND <br />mg /L <br />0.0002 <br />Sample ID: LCS3 -40176 <br />2 Laboratory Control Sample <br />Run: ICPMS4- C_140102A <br />01/03/14 08:02 <br />Antimony <br />0.545 <br />mg /L <br />0.0010 <br />109 <br />85 115 <br />Silver <br />0.0507 <br />mg /L <br />0.0010 <br />101 <br />85 115 <br />Sample ID: C13120837- 001BMS3 <br />2 Sample Matrix Spike <br />Run: ICPMS4- C_140102A <br />01/03/14 08:15 <br />Antimony <br />0.514 <br />mg /L <br />0.0012 <br />103 <br />70 130 <br />Silver <br />0.0463 <br />mg /L <br />0.0010 <br />93 <br />70 130 <br />Sample ID: C13120837- 00113MSD3 <br />2 Sample Matrix Spike Duplicate <br />Run: ICPMS4- C_140102A <br />01/03/14 08:18 <br />Antimony <br />0.527 <br />mg /L <br />0.0012 <br />105 <br />70 130 2.4 <br />20 <br />Silver <br />0.0477 <br />mg /L <br />0.0010 <br />95 <br />70 130 3.1 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />A - The analyte level was greater than four times the spike <br />level. In <br />accordance with the method % recovery is not calculated. <br />ND - Not detected at the reporting limit. <br />MDC - <br />Minimum detectable concentration <br />Page 18 of 31 <br />