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www.er*rgylab.com Helena,MT 677-472-0711 •Billings,MT 601-735-4489 a Casper,WY 888-235-0515 <br /> ry Am"*ErredErnc RM 1932 f Gillette,WY 866-666 7175•Rapid City,SD 886472-1225•College Station,TX 888-690-2218 <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 08/21/14 <br /> Project: Schwartz-GW 7/29/14 S27612 Collection Date: 07/29/14 12:05 <br /> Lab ID: C14071021-001 Date Received: 07/31/14 <br /> Client Sample ID: Domestic Well (S27612) Matrix: Aqueous <br /> MCL/ <br /> Analyses Result Units Qualifiers RL QCL Method Analysis Date/By <br /> RADIONUCLIDES-TOTAL <br /> Gross Alpha 97.3 pCi/L E900.0 08/08/14 01:30/trs <br /> Gross Alpha precision(±) 4.1 pCi/L E900.0 08/08/14 01:30/trs <br /> Gross Alpha MDC 1.6 pCi/L E900.0 08/08/14 01:30/trs <br /> Gross Beta 23.1 pCi/L E900.0 08/08/14 01:30/trs <br /> Gross Beta precision(±) 2.1 pCi/L E900.0 08/08/14 01:30/trs <br /> Gross Beta MDC 2.7 pCi/L E900.0 08/08/14 01:30/trs <br /> DATA QUALITY <br /> A/C Balance(±5) -2.37 % A1030 E 08/07/14 15:34/kbh <br /> Anions 5.82 meq/L A1030 E 08/07/14 15:34/kbh <br /> Cations 5.55 meq/L A1030 E 08/07/14 15:34/kbh <br /> Solids,Total Dissolved Calculated 320 mg/L A1030 E 08/07/14 15:34/kbh <br /> TDS Balance(0.80- 1.20) 1.04 A1030 E 08/07/14 15:34/kbh <br /> FIELD PARAMETERS <br /> Depth to Water 11.0 feet FIELD 07/29/14 12:05 <br /> Field Conductivity 505 umhos/cm FIELD 07/29/14 12:05 <br /> Field pH 6.88 s.u. FIELD 07/29/14 12:05/'** <br /> Field Temperature,C 13.2 °C FIELD 07/29/14 12:05 <br /> Flow 6.34 gpm FIELD 07/29/14 12:05 <br /> Field data provided by client <br /> Report RL-Analyte reporting limit. MCL-Maximum contaminant level. <br /> Definitions: QCL-Quality control limit. ND-Not detected at the reporting limit. <br /> MDC-Minimum detectable concentration <br /> Page 4 of 22 <br />