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www.energylab.wm Helena, MT 877-472-0711 9 Billings, MT 800-735-4489 • Casper, WY 888-235-0515 <br />^ . A=Wce/Fxcebwestace fast Gillette, WY 866-686-7175 • Rapid City, SD 888-672-1225 * College Station, TX 888-690-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 01/24/11 <br />Project: Schwartzwalder Water Sampling Program Discharge Work Order: C10120395 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Cual <br /> Batch: R141855 <br />Method: E200.8 <br />Sample ID: C10120395-001FMS4 7 Sample Matrix Spike Run: ICPMS4-C_110114A 01/15/11 01:31 <br />Nickel 0.0509 mg/L 0.050 100 70 130 <br />Selenium 0.0542 mg/L 0.0010 107 70 130 <br />Silver 0.0177 mg/L 0.010 89 70 130 <br />Uranium 0.0522 mg/L 0.00030 104 70 130 <br />Sample ID: C1 0120395-001 FMSD 7 Sample Matrix Spike Duplicate Run: ICPMS4-C_110114A 01/15/11 01:38 <br />Arsenic 0.0555 mg/L 0.0010 110 70 130 2.1 20 <br />Cadmium 0.0517 mg/L 0.010 103 70 130 0.9 20 <br />Copper 0.0517 mg/L 0.010 102 70 130 1.0 20 <br />Nickel 0.0519 mg/L 0.050 102 70 130 1.9 20 <br />Selenium 0.0542 mg/L 0.0010 107 70 130 0.0 20 <br />Silver 0.0184 mg/L 0.010 92 70 130 3.4 20 <br />Uranium 0.0527 mg/L 0.00030 105 70 130 1.0 20 <br /> Batch: R141923A <br />Method: E200.8 <br />Sample ID: C10120395-001FMS4 Sample Matrix Spike Run: ICPMS4-C_110117A 01/17/11 15:08 <br />Zinc 0.0335 mg/L 0.010 7 70 130 S <br />Sample ID: C10120395-001FMSD Sample Matrix Spike Duplicate Run: ICPMS4-C_110117A 01/17/11 15:15 <br />Zinc 0.0275 mg/L 0.010 5 70 130 20 20 S <br />Sample ID: LRB Method Blank Run: ICPMS4-C_110117A 01/17/11 13:59 <br />Zinc 0.002 mg/L 0.0001 <br />Sample ID: LFB Laboratory Fortified Blank Run: ICPMS4-C_110117A 01/17/11 14:06 <br />Zinc 0.0577 mg/L 0.0010 112 85 115 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration S - Spike recovery outside of advisory limits. <br />Page 13 of 22