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wwwm er6ab.com � <br />Helena, MT 877-472 -0711 • Billings, MT 608- 735-4489 + Casper, WY 888- 235 -0515 <br />a"'6'f <br />AW fJV <br />Gillette, WY 866 -666 -7175 • Rapid City, SO <br />888 -672 -1225 • College Station, TX 888 -690 -2218 <br />1.6 <br />LABORATORY <br />ANALYTICAL REPORT <br />10/10/13 19:00 / Ibb <br />Gross Alpha MDC <br />Prepared by <br />Casper, WY Branch <br />E900.0 <br />Client: Cotter Corporation <br />Gross Beta <br />6.5 <br />Report Date: 10/15/13 <br />Project: Schwartz SW 9/10/13 S27157 <br />10/10/13 19:00 / Ibb <br />Collection Date: 09/10/13 13:35 <br />Lab ID: 013090392 -001 <br />pCi /L <br />E900.0 <br />DateReceived: 09/11/13 <br />Client Sample ID SW- LLHG(S27157) <br />2.6 <br />pCdL <br />Matrix: Aqueous <br />10/10/13 19.00 / Ibb <br />Radium 226 <br />MCL/ <br />pCi /L <br />Analyses <br />Result Units <br />Qualifiers RL QCL <br />Method Analysis Date / By <br />METALS - TOTAL <br />E903.0 <br />09/24/13 17:14 / Imc <br />Radium 226 MDC <br />Silver <br />0.00044 mg /L <br />D 0.00008 <br />E200.8 09/17/13 19.34 / cp <br />Thallium <br />ND mg /L <br />0.0002 <br />E200.8 09/17/13 19:34 / cp <br />Uranium <br />0.0111 mg /L <br />0.0002 <br />E200.8 09/17/13 19:34 / cp <br />Zinc <br />0.019 mg /L <br />0.005 <br />E200.7 09/16/13 16:42 / sf <br />RADIONUCLIDES - DISSOLVED <br />RA -05 <br />09/19/13 09:53 / plj <br />Radium 226 <br />0.73 pCi /L <br />E903.0 09/24/13 17:13 / trs <br />Radium 226 precision ( ±) <br />0.18 pCi /L <br />E903.0 09/24/13 17:13 / trs <br />Radium 226 MDC <br />0.14 pCi /L <br />E903.0 09/24/13 17:13 / trs <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />12.5 <br />pCi /L <br />E900.0 <br />10/10/13 19:00 / Ibb <br />Gross Alpha precision ( ±) <br />1.6 <br />pCi /L <br />E900.0 <br />10/10/13 19:00 / Ibb <br />Gross Alpha MDC <br />1.8 <br />pCi /L <br />E900.0 <br />10/10/13 19:00 / Ibb <br />Gross Beta <br />6.5 <br />pCi /L <br />E900.0 <br />10/10/13 19:00 / Ibb <br />Gross Beta precision ( ±) <br />1.7 <br />pCi /L <br />E900.0 <br />10/10/13 19:00 / Ibb <br />Gross Beta MDC <br />2.6 <br />pCdL <br />E900.0 <br />10/10/13 19.00 / Ibb <br />Radium 226 <br />1.9 <br />pCi /L <br />E903.0 <br />09/24/13 17:14 / Imc <br />Radium 226 precision ( ±) <br />0.27 <br />pCi /L <br />E903.0 <br />09/24/13 17:14 / Imc <br />Radium 226 MDC <br />0.15 <br />pCi /L <br />E903.0 <br />09/24/13 17:14 / Imc <br />Radium 228 <br />1.4 <br />pCi /L <br />RA -05 <br />09/19/13 09:53 / plj <br />Radium 228 precision ( ±) <br />0.82 <br />pCi /L <br />RA -05 <br />09/19/13 09:53 / plj <br />Radium 228 MDC <br />1.2 <br />pCi /L <br />RA -05 <br />09/19/13 09:53 / plj <br />DATA QUALITY <br />A/C Balance (± 5) <br />-0.282 <br />% <br />A1030 E <br />09/26/13 10:55 / kbh <br />Anions <br />3.78 <br />meq /L <br />A1030 E <br />09/26/13 10:55 / kbh <br />Cations <br />3.76 <br />meq /L <br />At 030 E <br />09/26/13 10:55 / kbh <br />Solids, Total Dissolved Calculated <br />200 <br />mg /L <br />At 030 E <br />09/26/13 10:55 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.44 <br />A1030 E <br />09/26/13 10:55 / kbh <br />FIELD PARAMETERS <br />Field Conductivity <br />412 <br />umhos /cm <br />FIELD <br />09/10/13 13:35 <br />Field pH <br />7.93 <br />s.u. <br />FIELD <br />09/10/13 13:35 <br />Field Temperature, C <br />15.1 <br />°C <br />FIELD <br />09/10/13 13:35 <br />* ** Field data provided by client <br />Report RL - Analyte reporting limit. MCL - Maximum contaminant level. <br />Definitions: QCL - Quality control limit. ND - Not detected at the reporting limit. <br />MDC - Minimum detectable concentration D - RL increased due to sample matrix. <br />Page 4 of 26 <br />