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• www.erierdab.com Helena,MT$77472-0711 •Billings,MT 800-7354480•Casper,WY 888-235-8515 <br /> - Aed2ffrsl;:ralk-si.,f852 Gillette,WY 866-686-7175•Rapid City,SO 888-672-1225•College Station,TX OWSOO-2218 <br /> LABORATORY ANALYTICAL REPORT <br /> Prepared by Casper, WY Branch <br /> Client: Cotter Corporation Report Date: 07/14/14 <br /> Project: Schwartz-GW 6/25/14 S27546, S27547 Collection Date: 06/25/14 11:15 <br /> Lab ID: C 14060931-001 DateReceived: 06/26/14 <br /> Client Sample ID: MW-6 (S27546) Matrix: Aqueous <br /> MCL/ <br /> Analyses Result Units Qualifiers RL QCL Method Analysis Date/By <br /> RADIONUCLIDES-TOTAL <br /> Gross Alpha 2130 pCi/L E900.0 07/02/14 16:01 /trs <br /> Gross Alpha precision(±) 23.5 pCi/L E900.0 07/02/14 16:01 /trs <br /> Gross Alpha MDC 3.4 pCi/L E900.0 07/02/14 16:01 /trs <br /> Gross Beta 328 pCi/L E900.0 07/02/14 16:01 /trs <br /> Gross Beta precision(±) 8.7 pCi/L E900.0 07/02/14 16:01 /trs <br /> Gross Beta MDC 5.1 pCi/L E900.0 07/02/14 16:01 /trs <br /> DATA QUALITY <br /> A/C Balance(±5) -3.55 % At 030 E 07/01/14 15:19/kbh <br /> Anions 15.1 meq/L At 030 E 07/01/14 15:19/kbh <br /> Cations 14.1 meq/L A1030 E 07/01/14 15:19/kbh <br /> Solids,Total Dissolved Calculated 900 mg/L A1030 E 07/01/14 15:19/kbh <br /> TDS Balance(0.80- 1.20) 1.08 A1030 E 07/01/14 15:19/kbh <br /> FIELD PARAMETERS <br /> Depth to Water 7.18 feet FIELD 06/25/14 11:15/*** <br /> Field Conductivity 1225 umhos/cm FIELD 06/25/14 11:15/*** <br /> Field pH 6.76 s.u. FIELD 06/25/14 11:15/*** <br /> Field Temperature,C 11.5 'C FIELD 06/25/14 11:15/*** <br /> Flow 0.75 gpm FIELD 06/25/14 11:15/*** <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 23 <br />