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www.energylab.com Helena MT 877-472-0711 * Billings, MY 800.735-4489 a Casper, WY 688-235-0515 <br />..?_/ Aga(}tin/Exca9eaceSluct 1952 f Gillette WY 866-686-7175 * Rapid City. SD 888-672-1225 • College station, YX 888-680-2218 <br />LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation <br />Project: Schwartzwaider Water Monitoring Program <br />Lab ID: C10070913-011 <br />Client Sample ID: Shaft-800FT <br />Analyses Result Units <br />Report Date: 08/16/10 <br />Collection Date: 07/22/10 17:40 <br />Da to R ec e i v ed : 07/26/10 <br />Matrix: Aqueous <br />MCU <br />Qualifiers RL QCL Method Analysis Date / By <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 344 pCUL <br />Radium 226 precision (±) 4.0 pCi/L <br />Radium 226 MDC 0.18 pCi/L <br />DATA QUALITY <br />A/C Balance (t 5) -2.62 % <br />Anions 50.0 meq/L <br />Cations 47.3 meq/L <br />Solids, Total Dissolved Calculated 3090 mg/L <br />TDS Balance (0.80 - 1.20) 1.05 <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br />MOC - Minimum detectable concentration <br />E903.0 08104/10 12:121 ep <br />E903.0 08104110 12:12 / ep <br />E903.0 08/04/10 12:12 / ep <br />Calculation 08109/10 12:33 / kbh <br />Calculation 08/09/10 12:33 / kbh <br />Calculation 08/09/10 12:33 / kbh <br />Calculation 08/09/10 12:33 / kbh <br />Calculation 08/09/10 12:33 / kbh <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />Page 23 of 45