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www.energylab.eon <br />Analytla! Fxsellouca Stnca t95T <br />Helena, MT 877-472-0711 . Billings, MT 800-735-4489 - Casper, WY 888-235-0515 <br />Gillette, WY 866-686-7175 • Rapid City, SD 888-672-1225 • College Station, Tx 888-690-2218 <br />QA/QC Summary Report <br />Prepared by Casper, WY Branch <br /> Report Date: 01/06/11 <br />Client: Cotter Corporation <br />Project: Schwartzwalder Water Monitoring Program - Ground W Work Order: C10110899 <br />Analyte Count Result Units RL %REC Low Limit High Limit RPD RPDLimit Qual <br /> Balch: R140469 <br />Method: A2320 B <br />Sample ID: MBLK <br />2 Method Blank <br />Run: MANTECH_101201 B <br />12101110 15:27 <br />Alkalinity. Total as CaCO3 ND mg/L 1.0 <br />Bicarbonate as HC03 ND mg/L 1.0 <br />Sample ID: LCS Laboratory Control Sample Run: MANTECH_101201B 12/01/10 15:42 <br />Alkalinity, Total as CaC03 206 mg/L 5.0 103 90 110 <br />Sample ID: C10110928-001ADUP Sample Duplicate Run: MANTECH_1012018 12/01/10 18:28 <br />Alkalinity, Total as CaCO3 3.16 mg/L 5.0 10 <br />Sample ID: C10110928-001AMS Sample Matrix Spike Run: MANTECH_101201B 12/01/10 18:37 <br />Alkalinity, Total as CaC03 134 mg/L 5.0 104 80 120 <br />Qualifiers: <br />RL - Analyte reporting limit. <br />MDC - Minimum detectable concentration <br />ND - Not detected at the reporting limit. <br />Page 1 of 13 <br />Page 7 of 23