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w www.energylab.com Helena, W 877 - 472 -0711 • Billings, MT 800- 735 -4486 • Casper, WY 888- 235 -0515 <br />rMe1 IZ2 Gillette, WY 866- 686 -7175 • Rapid City, SD 886 -672 -1225 • College Station, TX 888- 690 -2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: <br />Cotter Corporation <br />pCi /L <br />E900.0 <br />Report Date: 06/13/13 <br />Project: <br />Schwartz GW 5/20/13 <br />S26987 & <br />S26988 <br />Collection Date: 05/19/13 14:00 <br />Lab ID: <br />C13050760 -001 <br />pCi /L <br />E900.0 <br />DateReceived: 05/21/13 <br />Client Sample ID: <br />MW -20 (S26987) <br />pCi /L <br />E900.0 <br />Matrix: Aqueous <br />Gross Beta precision ( ±) <br />5.9 <br />pCi /L <br />E900 0 <br />MCL/ <br />Analyses <br />4.5 <br />Result <br />Units Qualifiers RL <br />QCL Method Analysis Date / By <br />49.4 <br />feet <br />FIELD <br />05/20/13 14.30 / <br />Field Conductivity <br />RADIONUCLIDES <br />- DISSOLVED <br />FIELD <br />05/20/13 14:30 / <br />Field pH <br />Radium 226 <br />s.u. <br />0.30 <br />pCi /L <br />E903.0 06/11/13 13:37 / Imc <br />Radium 226 precision ( ±) <br />0.15 <br />pCi /L <br />E903.0 06/11/13 13:37 / Imc <br />Radium 226 MDC <br />0.18 <br />pCi /L <br />E903.0 06/11/13 13:37! Imc <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />1170 <br />pCi /L <br />E900.0 <br />06/06/13 16:29 / Ibb <br />Gross Alpha precision ( ±) <br />17.6 <br />pCi /L <br />E900.0 <br />06/06/13 16:29 / Ibb <br />Gross Alpha MDC <br />4.1 <br />pCi /L <br />E900.0 <br />06/06/13 16:29 / Ibb <br />Gross Beta <br />212 <br />pCi /L <br />E900.0 <br />06/06/13 16:29 / Ibb <br />Gross Beta precision ( ±) <br />5.9 <br />pCi /L <br />E900 0 <br />06/06/13 16:29 / Ibb <br />Gross Beta MDC <br />4.5 <br />pCi /L <br />E900.0 <br />06/06/13 16:29 / Ibb <br />DATA QUALITY <br />A/C Balance (± 5) <br />2.97 % <br />A1030 E <br />06/05/13 15:47 / kbh <br />Anions <br />18.1 <br />meq /L <br />A1030 E <br />06/05/13 15:47 / kbh <br />Cations <br />19.2 <br />meq /L <br />A1030 E <br />06/05/13 15:47 / kbh <br />Solids, Total Dissolved Calculated <br />1100 <br />mg /L <br />A1030 E <br />06/05/13 15:47 / kbh <br />TDS Balance (0.80 - 1.20) <br />1.12 <br />A1030 E <br />06/05/13 1547 / kbh <br />FIELD PARAMETERS <br />Depth to Water <br />49.4 <br />feet <br />FIELD <br />05/20/13 14.30 / <br />Field Conductivity <br />1522 <br />umhos /cm <br />FIELD <br />05/20/13 14:30 / <br />Field pH <br />6.82 <br />s.u. <br />FIELD <br />05/20/13 14:30 / <br />Field Temperature, C <br />10.0 <br />°C <br />FIELD <br />05/20/13 14:30 / *" <br />* ** Field data provided by client <br />Report RL - Analyte reporting limit. <br />Definitions: QCL - Quality control limit. <br />MDC - Minimum detectable concentration <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />Page 4 of 24 <br />