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Www.e ODlab.com Helena, W 877472 -0711 - Billings, W 800- 735 -4489 a Casper, WY 888 -235 -0515 <br />AwJy" $kw'W Gillette, WY 888488 -7175 -Rapid City, SD 886- 872 -1225 a College Station, TX 888-890 -2218 <br />QA /QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartz GW 9/24/13 S27176 & S27177 <br />Analyte <br />Count Result Units <br />Method: <br />E200.8 <br />0.0010 <br />Sample ID: <br />ICV <br />5 Initial Calibration Verification S <br />Antimony <br />99 <br />0.0549 mg /L <br />Copper <br />0.00030 <br />0.0504 mg /L <br />Thallium <br />110 <br />0.0496 mg /L <br />Uranium <br />90 <br />0.0498 mg /L <br />Zinc <br />115 <br />0.0507 mg /L <br />Method: <br />E200.8 <br />103 <br />Sample ID: <br />LRB <br />5 Method Blank <br />Antimony <br />0.0010 <br />0.0004 mg /L <br />Copper <br />115 <br />ND mg /L <br />Thallium <br />1 E -05 mg /L <br />Uranium <br />ND mg /L <br />Zinc <br />0.0010 <br />0.001 mg /L <br />Sample ID: <br />LFB <br />5 Laboratory Fortified Blank <br />Antimony <br />0.0050 <br />0.0519 mg /L <br />Copper <br />130 <br />0.0527 mg /L <br />Thallium <br />0.00050 <br />0.0516 mg /L <br />Uranium <br />130 <br />0.0516 mg /L <br />Zinc <br />0.00030 <br />0.0555 mg /L <br />Sample ID: <br />C13090929- 002CMS4 <br />5 Sample Matrix Spike <br />Antimony <br />0.010 <br />0.0602 mg /L <br />Copper <br />130 <br />0.0487 mg /L <br />Thallium <br />0.0517 mg /L <br />Uranium <br />0.469 mg /L <br />Zinc <br />0.0010 <br />0.0682 mg /L <br />Sample ID: <br />C13090929- 002CMSD4 <br />5 Sample Matrix Spike Duplicate <br />Antimony <br />0.0050 <br />0.0600 mg /L <br />Copper <br />130 <br />0.0484 mg /L <br />Thallium <br />0.00050 <br />0.0515 mg /L <br />Uranium <br />130 <br />0.467 mg /L <br />Zinc <br />0.00030 <br />0.0681 mg /L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <br />Report Date: 10/18/13 <br />Work Order: C13090929 <br />RL 0/J9EC Low Limit High Limit RPD RPDLimit Qual <br />Analytical Run: ICPMS2- C_131017A <br />tandard 10/17/13 16:41 <br />0.0010 <br />110 <br />90 <br />110 <br />0.0010 <br />101 <br />90 <br />110 <br />0.0010 <br />99 <br />90 <br />110 <br />0.00030 <br />100 <br />90 <br />110 <br />0.0010 <br />101 <br />90 <br />110 <br />Batch: R179708 <br />Run: ICPMS2 -C 131017A 10/17/1317:42 <br />6E -05 <br />0.0001 <br />9E -06 <br />1 E -05 <br />0.0006 <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 12 of 23 <br />Run: ICPMS2- C_131017A <br />10/17/13 17:45 <br />0.0010 <br />103 <br />85 <br />115 <br />0.0010 <br />105 <br />85 <br />115 <br />0.0010 <br />103 <br />85 <br />115 <br />0.00030 <br />103 <br />85 <br />115 <br />0.0010 <br />108 <br />85 <br />115 <br />Run: ICPMS2- C_131017A <br />10/17/13 17:58 <br />0.0010 <br />118 <br />70 <br />130 <br />0.0050 <br />96 <br />70 <br />130 <br />0.00050 <br />103 <br />70 <br />130 <br />0.00030 <br />70 <br />130 <br />A <br />0.010 <br />101 <br />70 <br />130 <br />Run: ICPMS2- C_131017A <br />10/17/13 18:01 <br />0.0010 <br />118 <br />70 <br />130 <br />0.3 <br />20 <br />0.0050 <br />95 <br />70 <br />130 <br />0.7 <br />20 <br />0.00050 <br />103 <br />70 <br />130 <br />0.3 <br />20 <br />0.00030 <br />70 <br />130 <br />0.4 <br />20 A <br />0.010 <br />100 <br />70 <br />130 <br />0.2 <br />20 <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 12 of 23 <br />