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- www.ewUlab.com <br />( <br />pCi /L <br />Helena, W 811472 -0711 - Billings, W 800 - 7354489 - Casper, WY 888 - 235 -0515 <br />"N 't <br />Gross Alpha precision ( ±) <br />Gillette, WY 866 -686 -7175 - Rapid City, sD <br />886- 672 -1225 - College station, TX 886 - 690 -2218 <br />E900.0 <br />06/11/13 08:52 / Ibb <br />Gross Alpha MDC <br />1.6 <br />pCi /L <br />E900.0 <br />LABORATORY <br />ANALYTICAL REPORT <br />2.0 <br />pCi /L U <br />Prepared by Casper, WY Branch <br />06/11/13 08:52 / Ibb <br />Client: Cotter Corporation <br />1.6 <br />pCi /L <br />E900.0 <br />Report Date: 06/27/13 <br />Project: Schwartz SW 5/21/13 S26991 - <br />S26995 <br />pCi /L <br />Collection Date: 05/21/13 12:30 <br />Lab ID: 013050860 -005 <br />Radium 226 <br />0.15 <br />pCi /L U <br />DateReceived: 05/22/13 <br />Client Sample ID SW OS (S26995) <br />Radium 226 precision ( ±) <br />0.12 <br />pCi /L <br />Matrix: Aqueous <br />06/10/13 14:03 / Imc <br />Radium 226 MDC <br />0.16 <br />MCL/ <br />E903.0 <br />Analyses <br />Result <br />Units <br />Qualifiers RL QCL <br />Method Analysis Date / By <br />METALS - TOTAL <br />Radium 228 precision ( ±) <br />0.88 <br />pCi /L <br />RA -05 <br />Mercury <br />ND <br />mg /L <br />0.0001 <br />E245.1 05/29/13 16:40 / 111 <br />Molybdenum <br />ND <br />mg /L <br />0.005 <br />E200.8 05/30/13 19:36 / clm <br />Silver <br />ND <br />mg /L <br />0.00005 <br />E200.8 05/30/13 19:36 / clm <br />Thallium <br />ND <br />mg /L <br />0.0002 <br />E200.8 05/30/13 19:36 / clm <br />Uranium <br />0.0046 <br />mg /L <br />0.0002 <br />E200.8 06/17/13 17:23 / clm <br />Zinc <br />ND <br />mg /L <br />0.005 <br />E200.7 06/04/13 16:39 / sf <br />- Chromium result confirmed by reanalysis. <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 <br />0.13 <br />pCi /L <br />E903.0 06/06/13 15:59 / trs <br />Radium 226 precision ( ±) <br />0.09 <br />pCi /L <br />E903.0 06/06/13 15:59 / trs <br />Radium 226 MDC <br />0.12 <br />pCi /L <br />E903.0 06/06/13 15:59 / trs <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />4.5 <br />pCi /L <br />E900.0 <br />06/11/13 08:52 / Ibb <br />Gross Alpha precision ( ±) <br />1.2 <br />pCi /L <br />E900.0 <br />06/11/13 08:52 / Ibb <br />Gross Alpha MDC <br />1.6 <br />pCi /L <br />E900.0 <br />06/11/13 08:52 / Ibb <br />Gross Beta <br />2.0 <br />pCi /L U <br />E900.0 <br />06/11/13 08:52 / Ibb <br />Gross Beta precision ( ±) <br />1.6 <br />pCi /L <br />E900.0 <br />06/11/13 08:52 / Ibb <br />Gross Beta MDC <br />2.5 <br />pCi /L <br />E900.0 <br />06/11/13 08:52 / Ibb <br />Radium 226 <br />0.15 <br />pCi /L U <br />E903.0 <br />06/10/13 14:03 / Imc <br />Radium 226 precision ( ±) <br />0.12 <br />pCi /L <br />E903.0 <br />06/10/13 14:03 / Imc <br />Radium 226 MDC <br />0.16 <br />pCi /L <br />E903.0 <br />06/10/13 14:03 / Imc <br />Radium 228 <br />0.42 <br />pCi /L U <br />RA -05 <br />06/03/13 14:03 / plj <br />Radium 228 precision ( ±) <br />0.88 <br />pCi /L <br />RA -05 <br />06/03/13 14:03 / plj <br />Radium 228 MDC <br />1.4 <br />pCi /L <br />RA -05 <br />06/03/13 14:03 / plj <br />DATA QUALITY <br />A/C Balance (± 5) <br />3.40 <br />% <br />A1030 E <br />06/10/13 15:47 / kbh <br />Anions <br />2.06 <br />meq /L <br />A1030 E <br />06/10/13 15:47 / kbh <br />Cations <br />2.20 <br />meq /L <br />A1030 E <br />06/10/13 15:47 / kbh <br />Solids, Total Dissolved Calculated <br />130 <br />mg /L <br />A1030 E <br />06/10/13 15:47 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.25 <br />A1030 E <br />06/10/13 15:47 / kbh <br />FIELD PARAMETERS <br />Field Conductivity <br />228 <br />umhos /cm <br />FIELD <br />05/21/13 12:30 / * ** <br />Field pH <br />7.81 <br />s.u. <br />FIELD <br />05/21/13 12:30 / * ** <br />Field Temperature, C <br />10.3 <br />°C <br />FIELD <br />05/21/13 12:30 <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 />U - Not detected at minimum detectable concentration <br />Page 8 of 31 <br />