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' Avg www.e melab.com Helena, MT 877- 472 -0711 • Billings, MT 808- 7354489 • Casper, WY 688- 235 -0515 <br />a EMMON2fia IM Gillette, WY 866 - 666 -7175 • Rapid City, SO 886- 672 -1225 • College Station, TX 888 -690 -2218 <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />2.2 <br />LABORATORY ANALYTICAL REPORT <br />E900.0 <br />05/24/13 16:08 / Ibb <br />Gross Alpha precision ( ±) <br />1 <br />Prepared by Casper, WY Branch <br />E900.0 <br />05/24/13 16:08 / Ibb <br />Client: <br />Cotter Corporation <br />pCi /L <br />E900.0 <br />05/24/13 16:08 / Ibb <br />Report <br />Date: 05/29/13 <br />Project: <br />Schwartz -SW 5/4/13 S26868 S26869 <br />05/24/13 16:08 / Ibb <br />Collection Date: 05/04/13 11:10 <br />Lab ID: <br />C13050235 -002 <br />E900.0 <br />05/24/13 16:08 / Ibb <br />Gross Beta MDC <br />DateReceived: 05/07/13 <br />Client Sample ID <br />SW -BPL (S26868) <br />05/24/13 16:08 / Ibb <br />Radium 226 <br />0.16 <br />pCi /L <br />Matrix: Aqueous <br />05/22/13 13:24 / Imc <br />Radium 226 precision ( ±) <br />0.11 <br />pCi /L <br />MCL/ <br />05/22/13 13:24 / Imc <br />Radium 226 MDC <br />Analyses <br />pCi /L <br />Result <br />Units <br />Qualifiers RL QCL <br />Method <br />Analysis Date / By <br />RA -05 <br />05/17/13 21:54 / gb <br />Radium 228 precision ( ±) <br />0.69 <br />pCi /L <br />RA -05 <br />05/17/13 21:54 / gb <br />METALS - TOTAL <br />1.2 <br />pCi /L <br />RA -05 <br />05/17/13 21:54 / gb <br />MDC - Minimum detectable concentration <br />Mercury <br />U - Not detected at minimum detectable concentration <br />ND <br />mg /L <br />0.0001 <br />E245.1 <br />05/08/13 13:36 / jl1 <br />Molybdenum <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />05/10/13 05:34 / cp <br />Silver <br />ND <br />mg /L <br />D 0.00008 <br />E200.8 <br />05/10/13 05:34 / cp <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />05/10/13 05:34 / cp <br />Uranium <br />0.0046 <br />mg /L <br />0.0002 <br />E200.8 <br />05/10/13 05:34 / cp <br />Zinc <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />05/10/13 05:34 / cp <br />RADIONUCLIDES <br />- DISSOLVED <br />Radium 226 <br />0.13 <br />pCi /L <br />E903.0 <br />05/14/13 07:45 / plj <br />Radium 226 precision <br />( ±) <br />0.1 <br />pCi /L <br />E903.0 <br />05/14/13 07:45 / plj <br />Radium 226 MDC <br />0.13 <br />pCi /L <br />E903.0 <br />05/14/13 07:45 / pll <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />2.2 <br />pCi /L <br />E900.0 <br />05/24/13 16:08 / Ibb <br />Gross Alpha precision ( ±) <br />1 <br />pCi /L <br />E900.0 <br />05/24/13 16:08 / Ibb <br />Gross Alpha MDC <br />1.4 <br />pCi /L <br />E900.0 <br />05/24/13 16:08 / Ibb <br />Gross Beta <br />0.8 <br />pCi /L U <br />E900.0 <br />05/24/13 16:08 / Ibb <br />Gross Beta precision ( ±) <br />1.6 <br />pCi /L <br />E900.0 <br />05/24/13 16:08 / Ibb <br />Gross Beta MDC <br />2.6 <br />pCi /L <br />E900.0 <br />05/24/13 16:08 / Ibb <br />Radium 226 <br />0.16 <br />pCi /L <br />E903.0 <br />05/22/13 13:24 / Imc <br />Radium 226 precision ( ±) <br />0.11 <br />pCi /L <br />E903.0 <br />05/22/13 13:24 / Imc <br />Radium 226 MDC <br />0.14 <br />pCi /L <br />E903.0 <br />05/22/13 13:24 / Imc <br />Radium 228 <br />-0.06 <br />pCi /L U <br />RA -05 <br />05/17/13 21:54 / gb <br />Radium 228 precision ( ±) <br />0.69 <br />pCi /L <br />RA -05 <br />05/17/13 21:54 / gb <br />Radium 228 MDC <br />1.2 <br />pCi /L <br />RA -05 <br />05/17/13 21:54 / gb <br />DATA QUALITY <br />A/C Balance (± 5) <br />3.55 <br />% <br />A1030 E <br />05/29/13 11:21 / sdw <br />Anions <br />2.18 <br />meq /L <br />A1030 E <br />05/29/13 11:21 / sdw <br />Cations <br />2.34 <br />meq /L <br />A1030 E <br />05/29/13 11:21 / sdw <br />Solids, Total Dissolved Calculated <br />140 <br />mg /L <br />A1030 E <br />05/29/13 11:21 / sdw <br />TDS Balance (0.80 - 1.20) <br />1.10 <br />A1030 E <br />05/29/13 11:21 / sdw <br />FIELD PARAMETERS <br />Field Conductivity <br />238.5 <br />umhos /cm <br />FIELD <br />05/04/13 11.10 <br />Field pH <br />7.27 <br />s.u. <br />FIELD <br />05/04/13 11:10 <br />Field Temperature, C <br />5.1 <br />`C <br />FIELD <br />05/04/13 11:10 / *" <br />"` Field data provided by client <br />Report RL - Analyte reporting limit. <br />MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. <br />ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration <br />D - RL increased due to sample matrix. <br />U - Not detected at minimum detectable concentration <br />Page 6 of 29 <br />