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wwwo egl ob.com ( Helena, W 811-412 -0111 - Biliinm MT 600 - 13544" - Casper, WY see - 236-0616 <br />A06" a.Mo.Sbw fit ) Gillette, WY ei6 -686 -1116 • Rapid Cihr, 0 tes- 612.1225 • Colb[e Station, T1(ese4111 -2218 <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.22 pCi /L <br />Radium 226 precision ( ±) 0.12 pCi /L <br />Radium 226 MDC 0.14 pCi /L <br />RADIONUCLIDES - TOTAL <br />E903.0 01/20/12 13:08 / Ibb <br />E903.0 01/20/12 13:08 / Ibb <br />E903.0 01/20/1213:081lbb <br />Gross Alpha <br />-0.1 <br />LABORATORY ANALYTICAL REPORT <br />E900.0 <br />02/09/12 00:04 / res <br />Gross Alpha precision ( ±) <br />Prepared by Casper, WY Branch <br />pCi/L <br />Client: <br />Cotter Corporation <br />Gross Alpha MDC <br />1.8 <br />Report Date: 02/14/12 <br />Project: <br />Schwartz SW 1/6/12 <br />S26178- S26185 <br />-2 <br />Collection Date: 01/06/12 09:55 <br />Lab ID: <br />012010213 -001 <br />Gross Beta precision ( ±) <br />1.5 <br />DateReceived: 01/09/12 <br />Client Sample ID: <br />SW AWD (S26178) <br />Gross Beta MDC <br />2.6 <br />Matrix: Aqueous <br />E900.0 <br />02/09/12 00:04 / res <br />Radium 226 <br />0.36 <br />MCL/ <br />Analyses <br />02/06/12 16:59 / Ibb <br />Result Units <br />Qualifier RL <br />QCL Method Analysis Date / By <br />METALS - TOTAL <br />02/06/12 16:59 / Ibb <br />Radium 226 MDC <br />0.17 <br />pCi/L <br />Mercury <br />02/06/12 16:59 / Ibb <br />ND mg /L <br />0.0001 <br />E245.1 01/10/12 15:33 / rdw <br />Molybdenum <br />02/01/12 12:48 / plj <br />ND mg /L <br />0.005 <br />E200.8 01/11/12 21:01 / sml <br />Silver <br />02/01/12 12:48 / plj <br />ND mg /L <br />0.00005 <br />E200.8 01/11112 21:01 / sml <br />Thallium <br />02/01/12 12:48 / plj <br />ND mg/L <br />0.0002 <br />E200.8 01/11/12 21:01 J sml <br />Uranium <br />0.0010 mg/L <br />0.0002 <br />E200.8 01/11/1221:01/sml <br />Zinc <br />0.024 mg /L <br />0.005 <br />E200.7 01/31/12 22:39 J cp <br />RADIONUCLIDES - DISSOLVED <br />Radium 226 0.22 pCi /L <br />Radium 226 precision ( ±) 0.12 pCi /L <br />Radium 226 MDC 0.14 pCi /L <br />RADIONUCLIDES - TOTAL <br />E903.0 01/20/12 13:08 / Ibb <br />E903.0 01/20/12 13:08 / Ibb <br />E903.0 01/20/1213:081lbb <br />Gross Alpha <br />-0.1 <br />pCi /L U <br />E900.0 <br />02/09/12 00:04 / res <br />Gross Alpha precision ( ±) <br />1.1 <br />pCi/L <br />E900.0 <br />02/09/12 00:04 / res <br />Gross Alpha MDC <br />1.8 <br />pCi /L <br />E900.0 <br />02/09/12 00:04 / res <br />Gross Beta <br />-2 <br />pCi /L U <br />E900.0 <br />02/09/12 00:04 i res <br />Gross Beta precision ( ±) <br />1.5 <br />pCi /L <br />E900.0 <br />02/09112 00:04 / res <br />Gross Beta MDC <br />2.6 <br />pCi /L <br />E900.0 <br />02/09/12 00:04 / res <br />Radium 226 <br />0.36 <br />pCi /L <br />E903.0 <br />02/06/12 16:59 / Ibb <br />Radium 226 precision ( ±) <br />0.16 <br />pCi /L <br />E903.0 <br />02/06/12 16:59 / Ibb <br />Radium 226 MDC <br />0.17 <br />pCi/L <br />E903.0 <br />02/06/12 16:59 / Ibb <br />Radium 228 <br />0.18 <br />pCi/L U <br />RA -05 <br />02/01/12 12:48 / plj <br />Radium 228 precision ( ±) <br />1.1 <br />pCi/L <br />RA -05 <br />02/01/12 12:48 / plj <br />Radium 228 MDC <br />1.9 <br />pCi /L <br />RA -05 <br />02/01/12 12:48 / plj <br />DATA QUALITY <br />A/C Balance (± 5) <br />-2.86 <br />% <br />Calculation <br />02/07/12 07:31 / kbh <br />Anions <br />2.52 <br />meq /L <br />Calculation <br />02/07/12 07:31 / kbh <br />Cations <br />2.38 <br />meq /L <br />Calculation <br />02/07/12 07:31 / kbh <br />Solids, Total Dissolved Calculated <br />151 <br />mg /L <br />Calculation <br />02/07/12 07:31 / kbh <br />TDS Balance (0.80 - 1.20) <br />0.990 <br />Calculation <br />02/07/12 07:31 / kbh <br />FIELD PARAMETERS <br />Field Conductivity <br />270 <br />umhos /cm <br />FIELD <br />01106/12 09:55 / <br />Field pH <br />7.87 <br />s.u. <br />FIELD <br />01/06/12 09:55 / <br />Field Temperature, C <br />1.1 <br />°C <br />FIELD <br />01/06/12 09:55 / <br />"' Performed by Sampler <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 />U - Not detected at minimum detectable concentration <br />Page 5 of 41 <br />