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www.energylab.com <br />( <br />Helena, MT 877- 472 -0711 - Billings, W 800 - 735 -4489 - Casper, WY 886 - 235 -0515 <br />11V <br />J <br />Gillette, WY 866 -006 -7175 - <br />Rapid City, SO 886- 672 -1225 - College Station, TX 886- 690 -2218 <br />QA <br />/QC Summary Report <br />Prepared <br />by Casper, WY <br />Branch <br />Client: Cotter Corporation <br />Report Date: <br />07/30/13 <br />Project: Schwartz -GW 7/3/13 S27057 <br />Work Order: <br />C13070189 <br />Analyte <br />Count Result <br />Units <br />RL <br />° /6REC <br />Low Limit <br />High Limit RPD <br />RPDLimit Qual 1 <br />Method: <br />E200.8 <br />Analytical Run: <br />ICPMS4- C_130719A <br />Sample ID: <br />ICV 4 Initial Calibration Verification Standard <br />07/20/13 05:22 <br />Copper <br />0.0501 <br />mg /L <br />0.0010 <br />100 <br />90 <br />110 <br />Silver <br />0.0219 <br />mg /L <br />0.0010 <br />110 <br />90 <br />110 <br />Thallium <br />0.0508 <br />mg /L <br />0.0010 <br />102 <br />90 <br />110 <br />Uranium <br />0.0515 <br />mg /L <br />0.00030 <br />103 <br />90 <br />110 <br />Method: <br />E200.8 <br />Batch: R176186 <br />Sample ID: <br />LRB 4 Method Blank <br />Run: ICPMS4- C_130719A <br />07/19/13 14:01 <br />Copper <br />ND <br />mg /L <br />3E -05 <br />Silver <br />ND <br />mg /L <br />6E -05 <br />Thallium <br />7E -05 <br />mg /L <br />6E -05 <br />Uranium <br />1 E -05 <br />mg /L <br />9E -06 <br />Sample ID: <br />LFB 4 Laboratory Fortified Blank <br />Run: ICPMS4- C_130719A <br />07/19/13 14:06 <br />Copper <br />0.0553 <br />mg /L <br />0.0010 <br />111 <br />85 <br />115 <br />Silver <br />0.0221 <br />mg /L <br />0.0010 <br />110 <br />85 <br />115 <br />Thallium <br />0.0552 <br />mg /L <br />00010 <br />110 <br />85 <br />115 <br />Uranium <br />0.0554 <br />mg /L <br />0.00030 <br />111 <br />85 <br />115 <br />Sample ID: <br />C13070189- 001CMS4 4 Sample Matrix <br />Spike <br />Run: ICPMS4- C_130719A <br />07/20/13 08:05 <br />Copper <br />0.0553 <br />mg /L <br />0.0050 <br />107 <br />70 <br />130 <br />Silver <br />0.0207 <br />mg /L <br />0.0010 <br />103 <br />70 <br />130 <br />Thallium <br />0.0560 <br />mg /L <br />0.00050 <br />112 <br />70 <br />130 <br />Uranium <br />1.20 <br />mg /L <br />0.00030 <br />70 <br />130 <br />A <br />Sample ID: <br />C13070189- 001CMSD4 4 Sample Matrix <br />Spike Duplicate <br />Run: ICPMS4- C_130719A <br />07/20/13 08:09 <br />Copper <br />0.0547 <br />mg /L <br />0.0050 <br />106 <br />70 <br />130 0.9 <br />20 <br />Silver <br />0.0214 <br />mg /L <br />0.0010 <br />107 <br />70 <br />130 3.2 <br />20 <br />Thallium <br />0.0556 <br />mg /L <br />0.00050 <br />111 <br />70 <br />130 0.8 <br />20 <br />Uranium <br />1.18 <br />mg /L <br />0.00030 <br />70 <br />130 1.1 <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 10 of 20 <br />