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www.ene Vab.com Helena, MT 977 - 472 -0711 • Billings, W 801- 7354489 • Casper, WY 888 -235 -0515 <br />Enaftw SAM 192 Gillette, WY 866 - 686 -7175 • Rapid City, SO 888472 -1225 • College Station, TX 888- 690 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />02/02/15 <br />Project: <br />Schwartz GW 1/14/15 S28103, S28106, S28107 <br />Work Order: <br />C15010389 <br />Analyte <br />Count Result Units <br />RL <br />%REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual <br />Method: <br />E200.8 <br />Analytical Run: ICPMS2- C_150116A <br />Lab ID: <br />ICV <br />6 <br />Initial Calibration Verification Standard <br />01/16/15 11:16 <br />Aluminum <br />0.0497 mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Antimony <br />0.0474 mg /L <br />0.0010 <br />95 <br />90 <br />110 <br />Copper <br />0.0501 mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Mercury <br />0.00501 mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Silver <br />0.0214 mg /L <br />0.0010 <br />107 <br />90 <br />110 <br />Thallium <br />0.0497 mg /L <br />0.0010 <br />99 <br />90 <br />110 <br />Method: <br />E200.8 <br />Batch: R195256 <br />Lab ID: <br />LRB <br />6 <br />Method Blank <br />Run: ICPMS2 -C 150116A <br />01/16/15 11:58 <br />Aluminum <br />ND mg /L <br />0.001 <br />Antimony <br />0.0001 mg /L <br />6E -05 <br />Copper <br />ND mg /L <br />0.0001 <br />Mercury <br />ND mg /L <br />0.00010 <br />Silver <br />ND mg /L <br />5E -05 <br />Thallium <br />ND mg /L <br />9E -06 <br />Lab ID: <br />LFB - filtered <br />6 <br />Laboratory Fortified Blank <br />Run: ICPMS2- C_150116A <br />01/16/15 12:01 <br />Aluminum <br />0.0527 mg /L <br />0.0010 <br />105 <br />85 <br />115 <br />Antimony <br />0.0487 mg /L <br />0.0010 <br />97 <br />85 <br />115 <br />Copper <br />0.0550 mg /L <br />0.0010 <br />110 <br />85 <br />115 <br />Mercury <br />0.00876 mg /L <br />0.0010 <br />88 <br />85 <br />115 <br />Silver <br />0.0200 mg /L <br />0.0010 <br />100 <br />85 <br />115 <br />Thallium <br />0.0526 mg /L <br />0.0010 <br />105 <br />85 <br />115 <br />Lab ID: <br />C15010365- 002CMS4 <br />6 <br />Sample Matrix Spike <br />Run: ICPMS2- C_150116A <br />01/16/15 16:29 <br />Aluminum <br />0.0531 mg /L <br />0.030 <br />102 <br />70 <br />130 <br />Antimony <br />0.0543 mg /L <br />0.0010 <br />109 <br />70 <br />130 <br />Copper <br />0.0511 mg /L <br />0.0050 <br />102 <br />70 <br />130 <br />Mercury <br />0.0112 mg /L <br />0.00010 <br />112 <br />70 <br />130 <br />Silver <br />0.0197 mg /L <br />0.0010 <br />98 <br />70 <br />130 <br />Thallium <br />0.0515 mg /L <br />0.00050 <br />103 <br />70 <br />130 <br />Lab ID: <br />015010365- 002CMSD <br />6 <br />Sample Matrix Spike Duplicate <br />Run: ICPMS2- C_150116A <br />01/16/15 16:32 <br />Aluminum <br />0.0531 mg /L <br />0.030 <br />102 <br />70 <br />130 0.1 <br />20 <br />Antimony <br />0.0542 mg /L <br />0.0010 <br />108 <br />70 <br />130 0.3 <br />20 <br />Copper <br />0.0520 mg /L <br />0.0050 <br />104 <br />70 <br />130 1.7 <br />20 <br />Mercury <br />0.0110 mg /L <br />0.00010 <br />110 <br />70 <br />130 2.3 <br />20 <br />Silver <br />0.0197 mg /L <br />0.0010 <br />99 <br />70 <br />130 0.4 <br />20 <br />Thallium <br />0.0522 mg /L <br />0.00050 <br />104 <br />70 <br />130 1.3 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 7 of 19 <br />