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wvrw.energy+ab.com ! Helena MT 877-412-0711 w Billings MT 800 735 4488 * Casper WY 888-235-0515 <br />?. ? - Aneyttr?l DcellseceSnce 1551 31 Gillette, WY 866486-7175 0 Rapid City, SD 888 672-122 5 6 College Station TX 888 68U-221 8 <br />LABORATORY ANALYTICAL REPORT <br />Client: Cotter Corporation Report Date: 12/10/10 <br />Project: Schwartzwalder Water Monitorin g Program - SW Collection Date: 11/02/10 11:25 <br />Lab ID: C101 10203-001 DateReceive d: 11/04/10 <br />Client Sample ID: SW AW D (S25278) Matri x: Aqueous <br /> MCU <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date I By <br />METALS-TOTAL <br />Molybdenum ND mg/L 0.005 E200.8 12/03/10 03:22 / sml <br />Silver ND mg/L 0.00005 E200.8 12103/10 03:22 / sml <br />Thallium 0.0003 mg/L 0.0002 E200.8 12/03/10 03:22 / sml <br />Uranium 0.0021 mg/L 0.0002 E200.8 12/03/10 03:22 / sml <br />Zinc ND mg/L 0.005 E200.8 12/03/10 03:221 sml <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 -0.1 pCi/L U E903.0 11117/10 15:08 / jb <br />Radium 226 precision (±) 0.11 pCi/L E903.0 11117/10 15:08 i jb <br />Radium 226 MDC 0.25 pCUL E903.0 11/17/10 15:08 / jb <br />RADIONUCLIDES - TOTAL <br />Gross Alpha -0.8 pCi/L U E900.0 11/25/10 10:27 / ep <br />Gross Alpha precision (±) 1.2 pCUL E900.0 11/25/10 10:27 / ep <br />Gross Alpha MDC 2.1 pCi/L E900.0 11125/10 10:271 ep <br />Gross Bela 2.1 pCi/L U E900.0 11/25/10 10:27 / ep <br />Gross Beta precision (±) 1.5 pCi/L E900.0 11125/10 10:27; ep <br />Gross Bela MDC 2.5 pCi/L E900.0 11/25/10 10:271 ep <br />Radium 226 •0.08 pCUL U E903.0 11/29110 21:12 / trs <br />Radium 226 precision (±) 0.08 pCUL E903.0 11/29/10 21:12 / Irs <br />Radium 226 MDC 0.18 pCi/L E903.0 11/29/10 21:12 / Irs <br />Radium 228 0.79 pCUL U RA-05 11/23/10 10:35 / plj <br />Radium 228 precision (±) 0.70 pCi/L RA-05 11/23/10 10:35 / plj <br />Radium 228 MDC 1.1 pCUL RA-05 11/23/10 10:35 i plj <br />DATA QUALITY <br />A/C Balance (± 5) -2.52 % Calculation 12105/10 10:191 kbh <br />Anions 3.34 meq/L Calculation 12/05/1010:19lkbh <br />Cations 3.17 meq/L Calculation 12/05/10 10:19 / kbh <br />Solids, Total Dissolved Calculated 193 mg/L Calculation 12105/10 10:191 kbh <br />TDS Balance (0.80 - 1.20) 1.25 Calculation 12105110 10:191 kbh <br />FIELD PARAMETERS <br />Conductivity 0.35 umhos/cm FIELD 11102/10 11:25 <br />pH 7.26 s.u. FIELD 11/02.!10 11:251 <br />Temperature 4.9 `C FIELD 11/02/10 11:251 <br />-" Performed by Sampler <br />Report RL - Analyle reporting limit. MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration U - Not detected at minimum detect able concentration <br /> Page 5 of 43