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, V 1 <br /> Date April 13, 2005 <br /> JOE'S TRUCK PLAZA QUARTERLY GROUNDWATER MONITORING REPORT <br /> Facility Address 15600 South Harlan Road, Lathrop, California <br /> Project Supervisor Kashman Singh / Dalwinder Dhoot <br /> Consulting Co/Contact Person Stratus Environmental, Inc 1 Gown Kowtha, P E <br /> Consultant Project No 2033-15600-01 <br /> Primary Agency/Regulatory ID No Margaret Lagono 1 San Joaquin County Environmental Management <br /> Department 1 Site Code 231585 <br /> WORK PERFORMED THIS QUARTER(First 2006) <br /> 1 Stratus measured groundwater elevations and collected groundwater samples from wells MW-1 <br /> through MW-7, MWO-1 through MWO-3, and MWO-1X on March 9, 2005 <br /> 2 Stratus compiled and evaluated groundwater monitoring data <br /> 3 Stratus prepared and submitted a Work Plan for Additional Site Assessment and Evaluation of <br /> Remedial Alternatives dated January 5, 2005 The proposed scope of work was approved by <br /> SJCEHD in a letter dated February 4, 2005 <br /> 4 Stratus prepared and submitted an Intenm Remedial Action Plan (1RAP) dated February 2, 2005 <br /> SJCEHD responded to this IRAP in a letter dated March 16, 2005 <br /> WORK PROPOSED FOR NEXT QUARTER(Second 2005) <br /> 1 The next sampling event is tentatively scheduled for June 2005 Groundwater samples will be <br /> collected for laboratory analysis from wells MW-1 through MW-7, MWO-1 through MWO-3, and <br /> MWO-1 X <br /> 2 Groundwater samples will be analyzed at a state-certified analytical laboratory for total petroleum <br /> hydrocarbons as diesel (TPHD) and as gasoline (TPHG) by EPA Method SW8015B/DHS LUFT <br /> Manual, and for benzene, toluene, ethylbenzene, total xylenes (BTEX), methyl tert-butyl ether <br /> (MTBE), tertiary amyl methyl ether (TAME), ethyl tertiary butyl ether (ETRE), di-isopropyl ether <br /> (DIPE), tertiary butyl alcohol (TBA), 1,2-dichloroethane (1,2-DCA), 1,2-dibromoethene (1,2-DBA), <br /> ethanol, and methanol by EPA Method SW8260B <br /> Current Phase of Project Assessment/Interim Remediation <br /> Frequency of Groundwater Sampling All Wells= Quarterly <br /> Frequency of Groundwater Monitoring Quarterly <br /> Groundwater Sampling Date March 9, 2005 <br /> Is Free Product(FP) Present on Site No <br /> FP Recovered This Quarter NA <br /> Cumulative FP Recovered to Date NA <br /> i) <br /> K VDe's Truck P1aza\Quarier1y12005Voe's Truck Plaza_IQ05 DOC STfZ11TU5 <br />