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• wwwo4rgylab.wm <br />n 877,4724711 • Billings, MT 800-735-4419 • CasperVY 888-235-0515 <br />A Cnf%nrMw?nsMea iAJt ?75 1'ioi.d c ty, Sq 81B-672-1225 • coltege St4tiun,1X 88M10-2219 <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper, WY Branch <br />Client: Cotter Corporation Report Date: 02/15/11 <br />Project: Schwartz GW 01-14- 11 S25450 Collection Date: 01/14/11 11:50 <br />Lab ID: C1 1010526-001 DateRecetved: 01 /18/11 <br />Client Sample ID: MW-00 Matrix: Aqueous <br /> MCL/ <br />Analyses Result Units Qualifiers RL QCL Method Analysis Date / By <br /> <br />RADIONUCLIDES - TOTAL <br />Gross Alpha 1.1 pCi/L U E900.0 01/29/11 11:26 / ep <br />Gross Alpha precision (±) 1.1 pCi/L E900.0 01/29/11 11:26 / ep <br />Gross Alpha MDC 1.8 pCi/L E900.0 01/29/11 11:26 / ep <br />Gross Beta 2.9 pCi/L E900.0 01/29/11 11:26 / ep <br />Gross Beta precision (±) 1.4 pCi/L E900.0 01/29/11 11:26 / ep <br />Gross Beta MDC 2.3 pCi/L E900.0 01/29/11 11:26 / ep <br />DATA QUALITY <br />A/C Balance (± 5) -1.25 % Calculation 02/14/11 09:04 / kbh <br />Anions 3.25 meq/L Calculation 02/14/11 09:04 / kbh <br />Cations 3.17 meq/L Calculation 02/14/11 09:04 / kbh <br />Solids, Total Dissolved Calculated 190 mg/L Calculation 02/14/11 09:04 / kbh <br />TDS Balance (0.80 - 1.20) 1.07 Calculation 02/14/11 09:04 / kbh <br />FIELD PARAMETERS <br />Conductivity 335 umhos/cm FIELD 01/14/11 11:50 <br />Depth to Water 10.15 feet FIELD 01/14/11 11:50 <br />Flow 0.99 gpm FIELD 01/14/11 11:50 <br />pH 7.16 s.u. FIELD 01/14/1111:50 <br />Temperature 6.0 °C FIELD 01/14/11 11:50 <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 4 of 19 <br />i <br />a.. . :?.Y,..".rw:,,.....,,-..?.:.;.:ai?4nYh,. z?, _.. =--, ?.s-.-. _?_..??.r..?n. _3..:.;y.:._v ..:._..,n.?A• __. ?.- _ - '-:-"???M1?i?••?:tA.?i