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• www.enerdab.com Helena, W 671472 -0711 • Billings, MT 800 - 735 -4489 • Casper, WY 888 - 235 -0515 <br />®- ,lesOMfreura Sim Im Gillette, WY 866- 686 -7175 • Rapid City, SO 888 -672 -1225 • College Station, TX 888- 690 -2216 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/06/13 <br />Project: Schwartz GW 1/22/13 SSTF: S26783 Collection Date: 01/22/13 12:00 <br />Lab ID: 013010694 -001 DateReceived: 01/23/13 <br />Client Sample ID: Domestic Well Matrix: Aqueous <br />FIELD PARAMETERS <br />Depth to Water <br />12.6 feet <br />FIELD <br />MCL/ <br />Field Conductivity <br />Analyses <br />Result <br />Units Qualifiers RL <br />QCL Method <br />Analysis Date I By <br />RADIONUCLIDES - TOTAL <br />01/22/13 12:00 <br />Field Temperature, C <br />9.7 *C <br />FIELD <br />Gross Alpha <br />12.2 <br />pCi /L <br />E900.0 <br />01/31/13 16:57 / Ibb <br />Gross Alpha precision ( ±) <br />1.5 <br />pCi /L <br />E900.0 <br />01/31/13 16:57 / Ibb <br />Gross Alpha MDC <br />1.6 <br />pCi /L <br />E900.0 <br />01/31/13 16:57 / Ibb <br />Gross Beta <br />3.5 <br />pCi /L <br />E900.0 <br />01/31/13 16:57 / Ibb <br />Gross Beta precision ( ±) <br />1.7 <br />pCi /L <br />E900.0 <br />01/31/13 16:57 / Ibb <br />Gross Beta MDC <br />2.6 <br />pCi /L <br />E900.0 <br />01/31/13 16:57 / Ibb <br />DATA QUALITY <br />A/C Balance (± 5) <br />3.16 <br />% <br />A1030 E <br />01 /30/13 07:05 / kbh <br />Anions <br />5.08 <br />meq /L <br />A1030 E <br />01/30/13 07:05 / kbh <br />Cations <br />5.41 <br />meq /L <br />A1030 E <br />01 /30/13 07:05 / kbh <br />Solids, Total Dissolved Calculated <br />310 <br />mg /L <br />A1030 E <br />01/30/13 07:05 / kbh <br />TDS Balance (0.80 - 1.20) <br />0.980 <br />A1030 E <br />01/30/13 07:05 / kbh <br />FIELD PARAMETERS <br />Depth to Water <br />12.6 feet <br />FIELD <br />01/22/13 12:00 / * ** <br />Field Conductivity <br />488 umhos /c <br />FIELD <br />01/22/13 12:00 / * ** <br />Field pH <br />6.98 s.u. <br />FIELD <br />01/22/13 12:00 <br />Field Temperature, C <br />9.7 *C <br />FIELD <br />01/22/13 12:00 <br />Flow <br />45 gpm <br />FIELD <br />01/22/13 12:00 <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 19 <br />