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www.ene Vab.com ? Helena, MT 677-412-0711 a Billings, MT 800-735-4489 a Casper, WY 888-235-0515 <br />AasrytieafEuaYwaStbw tiff Gillette, WY 866-686-7175 a Rapid City, SO 888-872-1225 a College Station, TX 888-696-2218 <br />QA/QC Summary Report <br />Client: Cotter Corporation <br />Project: Schwartzwalder Water Monitoring Program SW <br />Report Date: 11/22/10 <br />Work Order: C10100592 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 Batch: R138810 <br />Sample ID: LRB Method Blank Run: ICPMS2-C_101020A 10/20/10 21:56 <br />Uranium ND mg/L 1 E-05 <br />Sample ID: LFB Laboratory Fortified Blank Run: ICPMS2-C_101020A 10/20/10 22:01 <br />Uranium 0.0540 mg/L 0.00030 108 85 115 <br />Sample ID: C10100569-003CMS4 Sample Matrix Spike Run: ICPMS2-C_101020A 10/21/10 00:29 <br />Uranium 0.0522 mg/L 0.00030 100 70 130 <br />Sample ID: C10100569-003CMSD Sample Matrix Spike Duplicate Run: ICPMS2-C_101020A 10/21/10 00:35 <br />Uranium 0.0516 mg/L 0.00030 98 70 130 1.2 20 <br />Sample ID: C10100707-001 BMS4 Sample Matrix Spike Run: ICPMS2-C_101020A 10/21/10 14:32 <br />Uranium 1.34 mg/L 0.00030 70 130 A <br />Sample ID: C1 0100707-001 BMSD Sample Matrix Spike Duplicate Run: ICPMS2-C_101020A 10/21/10 14:37 <br />Uranium 1.34 mg/L 0.00030 70 130 0.1 20 A <br />Qualifiers: <br />RL - Analyte reporting limit. <br />ND - Not detected at the reporting limit. <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 17 of 36