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. <br />www.energylab.com Helena, MT 877-472-0711 - Billings, MT 800-735-4489 Casper, WY 888-235-0515 <br />AnalocilFxca9anaaffioce 1931 I GIIlotte, ViY 866-686-7175 # Rapid City, SD 868-672-1225 - College Station, T% 888-690-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Colter Corporation Report Date: 01/21/11 <br />Project: Schwartzwaider Wa ter Sampling Program-Ground Water Work Order: C10120819 <br />Analyte Count Result Units RL /oREC Low Limit High Limit RPD RPDLimit Dual <br />Method: E200.8 Batch: 28680 <br />Sample ID: MB-28680 5 Method Blank Run: ICPMS4-C-1 101 14A 01/15/11 01:52 <br />Arsenic 0.000868 mg/L 0.00050 <br />Copper 0.000152 mg/L 0.0010 <br />Lead 5.72E-05 mg/L 0.0050 <br />Silver 0.000179 mg/L 5.0E-05 <br />Thallium ND mg/L 0.00020 <br />Sample ID: LCS3-28680 5 Laboratory Control Sample <br />Arsenic 0.557 mg/L <br />Copper 0.536 mg/L <br />Lead 0.558 mg/L <br />Silver 0.0561 mg/L <br />Thallium 0.545 mg/L <br />Sample ID: C10120838-001 BMS3 5 Sample Matrix Spike <br />Arsenic 0.537 mg/L <br />Copper 0.513 mg/L <br />Lead 0.526 mg/L <br />Silver 0.0526 mg/L <br />Thallium 0.521 mg/L <br />Sample ID: C10120838-001 BMSD 5 Sample Matrix Spike Duplicate <br />Arsenic 0.531 mg/L <br />Copper 0.505 mg/L <br />Lead 0.533 mg/L <br />Silver 0.0537 mg/L <br />Thallium 0.526 mg/L <br /> Run: ICPMS4-C_110114A 01/15/1101:59 <br />0.0010 111 85 115 <br />0.010 107 85 115 <br />0.050 112 85 115 <br />0.010 112 85 115 <br />0.10 109 85 115 <br /> Run: ICPMS4-C 110114A 01115/11 03:08 <br />0.0010 107 70 130 <br />0.010 102 70 130 <br />0.050 105 70 130 <br />0.010 104 70 130 <br />0.10 104 70 130 <br /> Run: ICPMS4-0110114A 01/15/11 03:14 <br />0.0010 105 70 130 1.0 20 <br />0.010 101 70 130 1.7 20 <br />0.050 107 70 130 1.2 20 <br />0.010 107 70 130 2.2 20 <br />0.10 105 70 130 0.9 20 <br />Method: E200.8 <br />Sample ID: LRB 5 Method Blank <br />Antimony 0.00111 mg/L <br />Copper ND mg/L <br />Molybdenum 0.000256 mg/L <br />Thallium ND mg/L <br />Uranium 2.27E-05 mg/L <br />Sample ID: LFB 5 Laboratory Fort ified Blank <br />Antimony 0.0523 mg/L <br />Capper 0.0560 mg/L <br />Molybdenum 0.0535 mg/L <br />Thallium 0.0527 mg/L <br />Uranium 0.0525 mg/L <br />Sample ID: C10120909-002CMS4 5 Sample Matrix Spike <br />Antimony 0.0569 mg/L <br />Copper 0.0520 mg/L <br />Molybdenum 0.0865 mg/L <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum delectable concentration <br /> Batch: R141855 <br /> Run: ICPMS4-C 110114A <br />- 01/14/11 13:01 <br />0.0010 <br />0.0010 <br />0.0050 <br />0.00020 <br />0.00020 <br /> Run: ICPMS4-C 110114A 01114ill 13:07 <br />0.0010 102 85 115 <br />0.0010 112 85 115 <br />0.0010 106 85 115 <br />0.0010 105 85 115 <br />0.00030 105 85 115 <br /> Run: ICPMS4-C_110114A 01/14/1113:42 <br />0.0010 112 70 130 <br />0.010 99 70 130 <br />0.0010 106 70 130 <br />ND - Not detected at the reporting limit. <br />Page 13 of 25