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www.energylab.com J Helena, MT 877-472-0711 * Billings, MT 800.735-4489 « Casper, WY 888-235-0515 <br />pnsrrttcalExceGenaa Since rsss Gillette, WY 866-686-7175 * Rapid City, SD 8BB-672-1225 * College Station, TX 888-69D-2218 <br />QA/QC Summary Report <br />Client: Cotter Corporation <br />Project: Schwartzwalder Water Monitoring Program <br />Report Date: 09/10/10 <br />Work Order: C10080420 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br />Method: E200.8 Batch: R137102 <br />Sample ID: LRB Method Blank Run: ICPMS2-C_100910A 09/10/10 02:28 <br />Uranium ND mg/L 1E-05 <br />Sample ID: LFB Laboratory Fortified Blank Run: ICPMS2-C_100910A 09/10/10 02:33 <br />Uranium 0.0519 mg/L 0.00030 104 85 115 <br />Sample ID: C10080420-001CMS4 Sample Matrix Spike Run: ICPMS2-C_100910A 09/10/10 03:57 <br />Uranium 0.0540 mg/L 0.00030 108 70 130 <br />Sample ID: C10080420-001CMSD Sample Matrix Spike Duplicate Run: ICPMS2-C_100910A 09/10/10 04:03 <br />Uranium 0.0537 mg/L 0.00030 107 70 130 0.6 20 <br />Method: E200.8 <br />Sample ID: MB-27043 <br />Uranium <br />Sample ID: LCS3-27043 <br />Uranium <br />Sample ID: C10080422-005AMS3 <br />Uranium <br />Sample ID: C10080422-005AMSD <br />Uranium <br />Method Blank <br />ND mg/L <br />Laboratory Control Sample <br />0.538 mg/L <br />Sample Matrix Spike <br />0.550 mg/L <br />Sample Matrix Spike Duplicate Run: ICPMS4-C_100817A <br />0.552 mg/L 0.00030 110 70 130 0.3 <br />Run: ICPMS4-C_100817A <br />4E-05 <br />Run: ICPMS4-C_100817A <br />0.00030 108 85 115 <br />Run: ICPMS4-C_100817A <br />0.00030 110 70 130 <br />Batch: 27043 <br />08/18/10 19:10 <br />08/18/10 19:17 <br />08/18/10 20:46 <br />08/18/10 20:52 <br />20 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 3 of 8