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vntiw.energylab.cam Helena, MT 877-472-0711 a Billings, MT 800.735-4489 • Casper, Wy 888-235-0515 <br />AnatytlcalEacellanceSincs 1952 Gillette, WY 865-686-7175 Y Rapid City, SD 888-672-1225 o College Station, T% 688-690-2218 <br />QA/QC Summary Report <br />Client: Cotter Corporation <br />Project: Schwartzwalder Water Sampling Program-Ground Water <br />Report Date: 12/09/10 <br />Work Order: C10110027 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 Batch: R140475 <br />Sample ID: LRB 8 Method Blank Run: ICPMS2-C_101201A 12/07/10 17:12 <br />Aluminum ND mg/L 0.0001 <br />Antimony 0.0001 mg/L 7E-05 <br />Copper 0.0001 mg/L 7E-05 <br />Manganese BE-05 mg/L 5E-05 <br />Molybdenum 0.0001 mg/L 5E-05 <br />Thallium ND mg/L 1E-05 <br />Uranium ND mg/L 1E-05 <br />Zinc 0.003 mg/L 0.0003 <br />Sample iD: LFB 8 Laboratory Fortified Blank Run: ICPMS2-C._.101201A 12/01/10 17:19 <br />Aluminum 0.0511 mg/L 0.0010 102 85 115 <br />Antimony 0.0521 mg/L 0.0010 104 85 115 <br />Copper 0.0519 mg/L 0.0010 103 85 115 <br />Manganese 0.0518 mg/L 0.0010 103 85 115 <br />Molybdenum 0.0534 mg/L 0.0010 107 85 115 <br />Thallium 0.0530 mg/L 0.0010 106 85 115 <br />Uranium 0.0542 mg/L 0.00030 108 85 115 <br />Zinc 0.0552 mg/L 0.0010 105 85 115 <br />Sample ID: 010110839-010BMS4 8 Sample Matrix Spike Run: ICPMS2-C_101201A 12/02/10 05:11 <br />Aluminum 0.044 mg/L 0.0061 89 70 130 <br />Antimony 0.051 mg/L 0.0010 102 70 130 <br />Copper 0.049 mg/L 0.010 97 70 130 <br />Manganese 0.048 mg/L 0.010 95 70 130 <br />Molybdenum 0.047 mg/L 0.0010 93 70 130 <br />Thallium 0.049 mg/L 0.00040 97 70 130 <br />Uranium 0.052 mg/L 0.00030 102 70 130 <br />Zinc 0.053 mg/L 0.010 102 70 130 <br />Sample ID: C10110839-010BMSD 8 Sample Matrix Spike Duplicate Run: ICPMS2-C_101201A 12102/10 05:17 <br />Aluminum 0.042 mg/L 0.0061 84 70 130 5.5 20 <br />Antimony 0.050 mg/L 0.0010 101 70 130 0.8 20 <br />Copper 0.048 mg/L 0.010 96 70 130 1.0 20 <br />Manganese 0.047 mg/L 0.010 93 70 130 1.7 20 <br />Molybdenum 0.047 mg/L 0.0010 93 70 130 0.1 20 <br />Thallium 0.048 mg/L 0.00040 97 70 130 0.6 20 <br />Uranium 0.051 mg/L 0.00030 102 70 130 0.2 20 <br />Zinc 0.053 mg/L 0.010 101 70 130 1.1 20 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 12 of 26