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www.uwdab.com Helena, MT 871 472 -0711 • Billings, MT 888- 7354489 • Casper, WY 888- 235 -8515 <br />A 't 'e' i-W Gillette, WY 866 -666 -7175 • Rapid City, SO BBB- 672 -1225 • College Station, Tx 888 -690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />Report Date: <br />06/04/13 <br />Project: <br />Schwartz SW 05/10/13 S26874 & S26875 & S26926 -S269 <br />Collection Date: <br />05/10/13 10:35 <br />Lab ID: <br />C13050437 -002 <br />DateReceived: <br />05/13/13 <br />Client Sample ID <br />SW -AO01 (S26875) <br />Matrix: <br />Aqueous <br />MCU <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br />METALS - TOTAL <br />Mercury <br />ND <br />mg /L <br />0.0001 <br />E245.1 <br />05/16/13 15:37 / jI1 <br />Molybdenum <br />ND <br />mg /L <br />0.005 <br />E200.8 <br />05/18/13 03:26 / clm <br />Silver <br />0.00022 <br />mg /L <br />B 0.00005 <br />E200.8 <br />05/29/13 22:57 / clm <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 <br />05/18/13 03:26 / clm <br />Uranium <br />0.0025 <br />mg /L <br />0.0002 <br />E200.8 <br />05/20/13 22:31 / cp <br />Zinc <br />0.009 <br />mg /L <br />0.005 <br />E200.8 <br />05/20/13 22:31 / cp <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />-0.07 <br />pCi /L U <br />E903.0 <br />05/22/13 16:34 / Imc <br />Radium 226 precision ( ±) <br />0.12 <br />pCi /L <br />E903.0 <br />05/22/13 16:34 / Imc <br />Radium 226 MDC <br />0.24 <br />pCi /L <br />E903.0 <br />05/22/13 16:34 / Imc <br />RADIONUCLIDES - TOTAL <br />mg /L <br />A1030 E <br />05/31/13 08:47 / sdw <br />TDS Balance (0.80 - 1.20) <br />Gross Alpha <br />4.1 <br />pCi /L <br />E900.0 <br />05/30/13 17:20 / Ibb <br />Gross Alpha precision ( ±) <br />1.0 <br />pCi /L <br />E900.0 <br />05/30/13 17:20 / Ibb <br />Gross Alpha MDC <br />1.4 <br />pCi /L <br />E900.0 <br />05/30/13 17:20 / Ibb <br />Gross Beta <br />0.9 <br />pCi /L U <br />E900.0 <br />05/30/13 17:20 / Ibb <br />Gross Beta precision ( ±) <br />1.7 <br />pCi /L <br />E900.0 <br />05/30/13 17:20 / Ibb <br />Gross Beta MDC <br />2.7 <br />pCi /L <br />E900.0 <br />05/30/13 17:20 / Ibb <br />Radium 226 <br />0.15 <br />pCi /L <br />E903.0 <br />05/28/13 19:38 / Imc <br />Radium 226 precision ( ±) <br />0.11 <br />pCi /L <br />E903.0 <br />05/28/13 19:38 / Imc <br />Radium 226 MDC <br />0.15 <br />pCi /L <br />E903.0 <br />05/28/13 19:38 / Imc <br />Radium 228 <br />0.22 <br />pCi /L U <br />RA -05 <br />05/21/13 17:51 / gb <br />Radium 228 precision ( ±) <br />0.77 <br />pCi /L <br />RA -05 <br />05/21/13 17:51 / gb <br />Radium 228 MDC <br />1.3 <br />pCi /L <br />RA -05 <br />05/21/13 17:51 / gb <br />DATA QUALITY <br />A/C Balance (± 5) <br />1.52 % <br />Al 030 E <br />05/31/13 08:47 / sdw <br />Anions <br />1 75 <br />meq /L <br />A1030 E <br />05/31/13 08:47 / sdw <br />Cations <br />1.81 <br />meq /L <br />A1030 E <br />05/31/13 08:47 / sdw <br />Solids, Total Dissolved Calculated <br />120 <br />mg /L <br />A1030 E <br />05/31/13 08:47 / sdw <br />TDS Balance (0.80 - 1.20) <br />1.18 <br />A1030 E <br />05/31/13 08:47 / sdw <br />FIELD PARAMETERS <br />Field Conductivity <br />2038 <br />umhos /cm <br />FIELD <br />05/10/13 10:35 / *'* <br />Field pH <br />7.32 <br />s.u. <br />FIELD <br />05/10/13 10:35 / <br />Field Temperature, C <br />5.6 <br />'C <br />FIELD <br />05/10/13 10:35 / "* <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 />B - The analyte was detected in the <br />method blank. <br />U - Not detected at minimum detectable concentration <br />Page 5 of 40 <br />