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www.eregylab.com ? Helena, MT 871472-0711 • Billings, MT 800-735-4489 . Casper, WY 688-235-0515 <br />Aw"aErcaAracaStar* f052 Gillette, WY 866-686-7175 a Rapid City, SD 88B-672-1225 . College Station, TX 888-690-2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 01/06/11 <br />Project: Schwartzwalder Water Monitoring Program SW Collection Date: 12/01/10 09:10 <br />Lab ID: C10120061-001 DateReceived: 12/02/10 <br />Client Sample ID: SW AWD (S25291) Matrix: Aqueous <br />..... _ <br />MCL! <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />METALS-TOTAL <br />Mercury <br />Molybdenum <br />Silver <br />Thallium <br />Uranium <br />Zinc <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />Radium 226 precision (±) <br />Radium 226 MDC <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />Gross Alpha precision (±) <br />Gross Alpha MDC <br />Gross Beta <br />Gross Beta precision (±) <br />Gross Beta MDC <br />Radium 226 <br />Radium 226 precision (±) <br />Radium 226 MDC <br />Radium 228 <br />Radium 228 precision (±) <br />Radium 228 MDC <br />DATA QUALITY <br />A/C Balance (± 5) <br />Anions <br />Cations <br />Solids, Total Dissolved Calculated <br />TDS Balance (0.80 - 1.20) <br />FIELD PARAMETERS <br />Conductivity <br />pH <br />Temperature <br />- Performed by Sampler <br />ND mg/L 0.0001 E245.1 12/08/10 08:56 / rdw <br />ND mg/L 0.005 E200.8 12/23110 10:171 sml <br />ND mg/L D 0.0002 E200.8 12/27/10 20:27 / sml <br />ND mg/L 0.0002 E200.8 12/23/10 10:17 / sml <br />0.0031 mg/L 0.0002 E200.8 12/23110 16:02 / sml <br />ND mg/L 0.005 E200.8 12127/10 20:27 / sml <br />-0.002 pCl/L U E903.0 12113/10 13:071 its <br />0.09 pCi/L E903.0 12/13!10 13:07 / irs <br />0.17 pCi/L E903.0 12/13/10 13:07 / trs <br />12 pCi/L U E900.0 12/09/10 01:27 / ep <br />1.2 pCi/L E900.0 12/09110 01:27 / ep <br />2.0 pCi/L E900.0 12/09/10 01:27 / ep <br />0.8 pCi/L U E900.0 12/09/10 01:271 ep <br />1.4 pCi/L E900.0 12/09110 01:271 ep <br />2.3 pCi/L E900.0 12/09/10 01:27 i ep <br />-0.04 pCi/L U E903.0 12/20/10 13:26 ! trs <br />0.12 pCi/L E903.0 12/20110 13:261 trs <br />0.24 pCi/L E903.0 12/20/10 13:26 / trs <br />0.50 pCi/L U RA-05 12113!10 1122 / pij <br />0.90 pCi/L RA-05 12/13/10 11:221 plj <br />1.5 pCi/L RA-05 12/13/10 11:221 plj <br />-4.06 % <br />3.28 meq/L <br />3.02 meq/L <br />190 mg1L <br />1.06 <br />334 umhos/cm <br />7.76 s.u. <br />2.7 °C <br />_ ........... - ----- ..._.... ...................... ._ <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br />MDC - Minimum detectable concentration <br />U - Not detected at minimum detectable concentration <br />Calculation 12/16/10 09:54 / kbh <br />Calculation 12/16/10 09:54 / kbh <br />Calculation 12/16/10 09:541 kbh <br />Calculation 12/16/10 09:54 / kbh <br />Calculation 12/16/10 09:54! kbh <br />FIELD 12/01/10 09:10 / <br />FIELD 12'01/1009:101 <br />FIELD 12/01/10 09:101 <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />D - RL increased due to sample matrix. <br />Page 4 of 39