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www.energylab.com Helena, IAT 877-472-0711 ? Billings, MT 800-735-4489 - Casper, WY 888-235-0515 <br />,; - AmfyricalEseAeuceSnw 1951 ; Gillette, WY 866-685-7175 - Rapid City, SO 888-672-1225 * College Station, TX 688-690.2218 <br />LABORATORY ANALYTICAL REPORT <br />Prepared by Casper, WY Branch <br />Client: Cotter Corporation <br />Project: Schwartzwalder Water Sampling Program-Ground Water <br />Lab ID: C10120819-001 <br />Client Sample ID: Domestic Well (S25536) <br />Analyses <br />RADIONUCLIDES - TOTAL <br />Gross Alpha <br />Gross Alpha precision (t) <br />Gross Alpha MDC <br />Gross Bela <br />Gross Beta precision (±) <br />Gross Beta MDC <br />DATA QUALITY <br />A/C Balance (t 5) <br />Anions <br />Cations <br />Solids, Total Dissolved Calculated <br />TDS Balance (0.80 - 1.20) <br />FIELD PARAMETERS <br />Conductivity <br />Depth to Water <br />Flow <br />pH <br />Temperature <br />- Performed by Sampler <br />Report Date: 01/21/11 <br />Collection Date: 12122/10 09:45 <br />DateReceived: 12/27/10 <br />Matrix: Aqueous <br /> <br />Result <br />Units MCL/ <br />Qualifiers RL QCL Method <br />Analysis Date / By <br />11.1 pCi/L E900.0 01/05/11 11:01 / ep <br />1.6 pCi/L E900.0 01105/11 11:01 / ep <br />1.7 pCi/L E900.0 01/05/11 11:01 / ep <br />4.8 pC1/L E900.0 01/05/11 11:01 / ep <br />1.5 pCi/L E900.0 01105/11 11:01 / ep <br />2.3 pCi/L E900.0 01/05/11 11:01 / ep <br />-2.15 % <br />3.01 meq/L <br />2.88 meq/L <br />178 mg/L <br />1.02 <br />315 umhos/cm <br />6.35 leet <br />5.61 gpm <br />7.17 s.u. <br />2.5 `C <br />Report RL - Analyze reporting limit. <br />Definitions: QCL - Quality control limit. <br />MDC - Minimum delectable concentration <br />Calculation 01111/11 15:33 / kbh <br />Calculation 01/11/1115:33/kbh <br />Calculation 01 /11/11 15:33 / kbh <br />Calculation 01/11/1115:33/kbh <br />Calculation 01 /11/11 15:33 / kbh <br />FIELD 12/22/10 09:45 / - <br />FIELD 12/22/10 09:45 / - <br />FIELD 12/22/10 09:45 / <br />FIELD 12/22/10 09:451 <br />FIELD 12/22/10 09:45 / <br />MCL - Maximum contaminant level. <br />ND - Not detected at the reporting limit. <br />Page 4 of 25