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www.energylab.com Helena, IAT 877-472-0711 • Billings, MT 800-735-4489 • Casper, WY 888-235-0515 <br />AesryrlcslFxcelloweSMce 1952 Gillette, wY 866-686-7175 • Rapid City, SD 888-672-1125 • College Station, TX 888-680-2218 <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: 010120395 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />o....I MIA10CG <br />Method: E200.8 <br />Sample ID: LRB 11 Method Blank <br />Antimony 0.00111 mg/L <br />Arsenic ND mg/L <br />Boron -0.000503 mg/L <br />Cadmium ND mg/L <br />Copper ND mg/L <br />Iron 0.00172 mg/L <br />Nickel ND mg/L <br />Selenium 8.19E-05 mg/L <br />Silver 0.000287 mg/L <br />Thallium ND mg/L <br />Uranium 2.27E-05 mg/L <br />Sample ID: LFB 11 Laboratory Fortified Blank <br />Antimony 0.0523 mg/L <br />Arsenic 0.0545 mg/L <br />Boron 0.0517 mg/L <br />Cadmium 0.0537 mg/L <br />Copper 0.0560 mg/L <br />Iron 1.36 mg/L <br />Nickel 0.0556 mg/L <br />Selenium 0.0542 mg/L <br />Silver 0.0205 mg/L <br />Thallium 0.0527 mg/L <br />Uranium 0.0525 mg/L <br />Sample ID: 01 01 20791-004BMS4 6 Sample Matrix Spike <br />Antimony 0.0556 mg/L <br />Arsenic 0.0531 mg/L <br />Boron 0.123 mg/L <br />Iron 0.0663 mg/L <br />Thallium 0.0505 mg/L <br />Uranium 0.0570 mg/L <br />Sample ID: C1 01 20791-004BMSD 6 Sample Matrix Spike Duplicate <br />Antimony 0.0607 mg/L <br />Arsenic 0.0597 mg/L <br />Boron 0.127 mg/L <br />Iron 0.0706 mg/L <br />Thallium 0.0556 mg/L <br />Uranium 0.0634 mg/L <br />Sample ID: C10120395-001FMS4 7 Sample Matrix Spike <br />Arsenic 0.0544 mg/L <br />Cadmium 0.0513 mg/L <br />Copper 0.0512 mg/L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br /> Run: ICPMS4-C 110114A 01/14/11 13:01 <br />0.0010 <br />0.00050 <br />0.10 <br />0.010 <br />0.0010 <br />0.030 <br />0.050 <br />0.0010 <br />8.0E-05 <br />0.00020 <br />0.00020 <br /> Run: ICPMS4-C_110114A 01/14/1113:07 <br />0.0010 102 85 115 <br />0.0010 109 85 115 <br />0.0010 104 85 115 <br />0.0010 107 85 115 <br />0.0010 112 85 115 <br />0.012 109 85 115 <br />0.0010 111 85 115 <br />0.0010 108 85 115 <br />0.0010 101 85 115 <br />0.0010 105 85 115 <br />0.00030 105 85 115 <br /> Run: ICPMS4-C_110114A 01/15/1100:36 <br />0.050 111 70 130 <br />0.0010 104 70 130 <br />0.10 91 70 130 <br />0.030 4 70 130 S <br />0.0010 101 70 130 <br />0.00030 93 70 130 <br /> Run: ICPMS4-C_110114A 01/15/1100:43 <br />0.050 121 70 130 8.7 20 <br />0.0010 117 70 130 12 20 <br />0.10 99 70 130 3.4 20 <br />0.030 4 70 130 6.2 20 S <br />0.0010 111 70 130 9.7 20 <br />0.00030 105 70 130 11 20 <br /> Run: ICPMS4-C_l10114A 01/15/1101:31 <br />0.0010 108 70 130 <br />0.010 102 70 130 <br />0.010 101 70 130 <br />ND - Not detected at the reporting limit. <br />S - Spike recovery outside of advisory limits. <br />Page 12 of 22