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www:energylab.tam <br />AulytlrrMt]sMMen;9iop 18iiR2 <br />11 • Billings, Afr 800-735-4489 - Casper, WY 888-235-0515 <br />d Cdq, SD SIB-672-1225 • College Station, TX.888-690-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 04/01/11 <br />Project: Schwartz SW 03/01/1 1 S25651-S25658 Work Order: C11030134 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 Batch: R143967 <br />Sample ID: LRB 2 Method Blank Run: ICPMS2-C_110323A 03/23/11 21:23 <br />Lead ND mg/L 3E-05 <br />Thallium ND mg/L 1 E-05 <br />Sample ID: LFB 2 Laboratory Fort ified Blank Run: ICPMS2-C_110323A 03/23/11 21:30 <br />Lead 0.0518 mg/L 0.0010 104 85 115 <br />Thallium 0.0516 mg/L 0.0010 103 85 115 <br />Sample ID: C11030458-004EMS4 2 Sample Matrix Spike Run: ICPMS2-C_110323A 03/24/11 04:03 <br />Lead 0.0554 mg/L 0.050 111 70 130 <br />Thallium 0.0556 mg/L 0.0010 111 70 130 <br />Sample ID: C11030458-004EMSD 2 Sample Matrix Spike Duplicate Run: ICPMS2-C_110323A 03/24/11 04:10 <br />Lead 0.0537 mg/L 0.050 107 70 130 3.1 20 <br />Thallium 0.0542 mg/L 0.0010 108 70 130 2.5 20 <br />Method: E200.8 Batch: R144159 <br />Sample ID: LRB 5 Method Blank Run: ICPMS2-C_110328A 03/28/11 22:22 <br />Antimony 0.0001 mg/L 7E-05 <br />Arsenic ND mg/L 6E-05 <br />Chromium ND mg/L 4E-05 <br />Copper ND mg/L 7E-05 <br />Zinc 0.0003 mg/L 0.0003 <br />Sample ID: LFB 5 Laboratory Forti fied Blank Run: ICPMS2-C_110328A 03/28/11 22:29 <br />Antimony 0.0654 mg/L 0.0010 131 85 115 S <br />Arsenic 0.0495 mg/L 0.0010 99 85 115 <br />Chromium 0.0508 mg/L 0.0010 102 85 115 <br />Copper 0.0484 mg/L 0.0010 97 85 115 <br />Zinc 0.0487 mg/L 0.0010 97 85 115 <br />- Response is above standard QA limit. This could indicate a high bias for the sample results. Since there were no detectable analyte respo nses, and the remainder of the <br />run QA is within acceptance range, this batch is approved. <br />Sample ID: C1 1030730-001 BMS4 5 Sample Matrix Spike Run: ICPMS2-C_110328A 03/29/11 02:54 <br />Antimony 0.067 mg/L 0.0010 134 70 130 S <br />Arsenic 0.051 mg/L 0.0010 101 70 130 <br />Chromium 0.048 mg/L 0.0010 96 70 130 <br />Copper 0.060 mg/L 0.010 92 70 130 <br />Zinc 0.049 mg/L 0.010 94 70 130 <br />Sample ID: C1 1030730-001 BMSD 5 Sample Matrix Spike Duplicate Run: ICPMS2-C_110328A 03/29/11 03:00 <br />Antimony 0.068 mg/L 0.0010 136 70 130 1.4 20 S <br />Arsenic 0.050 mg/L 0.0010 100 70 130 1.1 20 <br />Chromium 0.048 mg/L 0.0010 96 70 130 0.4 20 <br />Copper 0.062 mg/L 0.010 96 70 130 3.2 20 <br />Zinc 0.054 mg/L 0.010 103 70 130 8.2 20 <br /> <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration S - Spike reco very outside of advisory limits. <br />Page 22 of 43 <br />_. ?.? -:tai ?.:1r.wR[• :.' ?% _.s?:Clyti:-?=`z..» -.::??:,,:t.-!