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www.enerepleb.com I Helena, W 877-472-0711 • Billings, MT 800-735-4489 • Casper, WY 888-235-0515 <br />AU6*WEx0hweSme.IW J Gillette, WY 866-686-7175 • Rapid City, SD 888-672-1225 • College Station, TX 888-690-2218 <br />QA/QC Summary Report <br />Client: Cotter Corporation <br />Project: Schwartzwalder Water Monitoring Program SW <br />Report Date: 11 /29/10 <br />Work Order: C10101013 <br />Analyte Count Result Units <br />Method: E200.8 <br />Sample ID: 010100831-014BMS4 6 Sample Matrix Spike <br />Aluminum 0.202 mg/L <br />Antimony 0.0566 mg/L <br />Copper 0.0528 mg/L <br />Manganese 0.0514 mg/L <br />Molybdenum 0.0659 mg/L <br />Silver 0.0169 mg/L <br />Sample ID: C10100831-014BMSD 6 Sample Matrix Spike Duplicate <br />Aluminum 0.205 mg/L <br />Antimony 0.0586 mg/L <br />Copper 0.0529 mg/L <br />Manganese 0.0530 mg/L <br />Molybdenum 0.0660 mg/L <br />Silver 0.0179 mg/L <br />Sample ID: LRB 6 Method Blank <br />Aluminum ND mg/L <br />Antimony ND mg/L <br />Copper ND mg/L <br />Manganese ND mg/L <br />Molybdenum ND mg/L <br />Silver ND mg/L <br />Sample ID: LFB 6 Laboratory Forti fied Blank <br />Aluminum 0.0564 mg/L <br />Antimony 0.0526 mg/L <br />Copper 0.0530 mg/L <br />Manganese 0.0532 mg/L <br />Molybdenum 0.0536 mg/L <br />Silver 0.0217 mg/L <br />RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Batch: R139269A <br /> Run: ICPMS4-C_101029A 10/30/1013:56 <br />0.10 79 70 130 <br />0.050 113 70 130 <br />0.010 104 70 130 <br />0.010 103 70 130 <br />0.0010 113 70 130 <br />0.010 85 70 130 <br /> Run: ICPMS4-C_101029A 10/30/1014:30 <br />0.10 86 70 130 1.7 20 <br />0.050 117 70 130 3.5 20 <br />0.010 104 70 130 0.2 20 <br />0.010 106 70 130 3.0 20 <br />0.0010 113 70 130 0.1 20 <br />0.010 90 70 130 5.7 20 <br /> Run:ICPMS4-C_101029A 10/29/1014:48 <br />8E-05 <br />0.0002 <br />6E-05 <br />2E-05 <br />8E-05 <br />8E-05 <br /> Run:ICPMS4-C_101029A 10/29/1014:55 <br />0.0010 113 85 115 <br />0.0010 105 85 115 <br />0.0010 106 85 115 <br />0.0010 106 85 115 <br />0.0010 107 85 115 <br />0.0010 109 85 115 <br />Qualifiers: <br />RL - Analyte reporting limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />Page 15 of 32