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wwv.energylab.com Helena, IAT 877-412-0711 • Billings, MT 800-735-4489 + gasper, M 888-235-0515 <br />Ana1Kc31FxreU=#Slncs 1852 1 Gillette, WY 866-686-7175 - Rapid City, SD 888-672-1225 d College Station, TX 088-690-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartzwalder Water Sampling Program-Ground Water <br />Analyte Count Result Units <br />Method: E200.7 <br />Sample ID: MB-110106A 8 Method Blank <br />Aluminum ND mg/L <br />Calcium NO mg/L <br />Iron NO mg/L <br />Magnesium NO mg/L <br />Manganese NO mg/L <br />Potassium NO mg/L <br />Sodium NO mg/L <br />Zinc ND mg/L <br />Sample ID: LFB-110106A 8 Laboratory Fortified Blank <br />Aluminum 0.929 mg/L <br />Calcium 48.3 mg/L <br />Iron 0.971 mg/L <br />Magnesium 47.9 mgiL <br />Manganese 0.966 mg/L <br />Potassium 46.8 mg/L <br />Sodium 46.9 mg/L <br />Zinc 0.969 mg/L <br />Sample ID: C10120758-001BMS2 8 Sample Matrix Spike <br />Aluminum 19.8 mg/L <br />Calcium 1350 mg/L <br />Iron 19.5 mg/L <br />Magnesium 1090 mg/L <br />Manganese 21.0 mg/L <br />Potassium 931 mg/L <br />Sodium 6200 mg/L <br />Zinc 19.3 mg/L <br />Sample ID: C10120758-001 BMSD 8 Sample Matrix Spike Duplicate <br />Aluminum 19.7 mg/L <br />Calcium 1360 mg/L <br />Iron 19.7 mgiL <br />Magnesium 1110 mg/L <br />Manganese 21.3 mg/L <br />Potassium 937 mg/L <br />Sodium 6180 mg/L <br />Zinc 19.5 mg/L <br />Qualifiers: <br />RL - Analyle reporting limit. <br />ND - Not detected at the reporting limit. <br />Report Date: 01/21/11 <br />Work Order: C10120819 <br />RL %REC Low Limit High Limit RPD RPDLImit Dual <br />Batch: R141552 <br />Run: ICP2-C 110106A 01/06/11 14:04 <br />0.01 <br />0.2 <br />0.002 <br />0.05 <br />0.0004 <br />0.02 <br />0.3 <br />0.001 <br /> Run: ICP2-C 110106A 01/06/11 14:10 <br />0.10 93 85 115 <br />0.50 97 85 115 <br />0.030 97 85 115 <br />0.50 96 85 115 <br />0.010 97 85 115 <br />0.82 94 85 115 <br />0.50 94 85 115 <br />0.010 97 85 115 <br /> Run: ICP2-C_110106A 01/06/11 16:12 <br />0.26 97 70 130 <br />4.6 95 70 130 <br />0.031 96 70 130 <br />1.0 93 70 130 <br />0.010 95 70 130 <br />1.0 90 70 130 <br />5.8 70 130 A <br />0.030 94 70 130 <br /> Run: ICP2-G_110106A 01/06/11 16:16 <br />0.26 96 70 130 0.5 20 <br />4.6 96 70 130 0.8 20 <br />0.031 97 70 130 0.9 20 <br />1.0 95 70 130 1.7 20 <br />0.010 96 70 130 1.2 20 <br />1.0 91 70 130 0.7 20 <br />5.8 70 130 0.3 20 A <br />0.030 95 70 130 0.9 20 <br />A - The analyte level was greater than four times the spike level. In <br />accordance with the method % recovery is not calculated. <br />MDC - Minimum detectable concentration <br />Page 10 of 25