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Date January 17, 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 Cc/Contact Person Stratus Environmental, Inc 1 Stephen J Carter, R G <br /> Consultant Project No 2033-15600-01 <br /> Primary Agency/Regulatory ID No Margaret Lagorio/San Joaquin County Environmental Management <br /> Department/Site Code 231585 <br /> WORK PERFORMED THIS QUARTER (Fourth 2004) <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 December 2, 2004 <br /> 2 Stratus compiled and evaluated groundwater monitoring data <br /> i <br /> 3 Stratus met with SJCEHD and RWQCB on November 9, 2004, to discuss additional assessment <br /> activities and remedial options for the site <br /> WORK PROPOSED FOR NEXT QUARTER(First 2005). <br /> 1 The next sampling event is tentatively scheduled for March 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-1X <br /> I <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 (ETBE), di-isopropyl ether <br /> (DIPE), tertiary butyl alcohol (TBA), 1,2-dichloroethane (1,2-DCA), 1,2-dibromoethane (1,2-DBA), <br /> ethanol, and methanol by EPA Method SW8260B <br /> I <br /> 3 Stratus submitted a Work Plan for Additional Site Assessment and Feasibility Testing on January 5, <br /> 2005 <br /> I <br /> 4 Stratus will submit an interim Remedial Action Plan to initiate remedial activities <br /> I <br /> Current Phase of Project Assessment <br /> Frequency of Groundwater Sampling All Wells=Quarterly <br /> Frequency of Groundwater Monitonng Quarterly <br /> Groundwater Sampling Date December 2, 2004 <br /> Is Free Product(FP) Present on Site No <br /> FP Recovered This Quarter No <br /> Cumulative FP Recovered to Date NA <br /> Approximate Depth to Groundwater 9 09 to 10 25 feet below top of well casing <br /> I <br /> i <br /> K Voe's Truck P1aza\Quanerly12004Uoe's Truck Plaza-4Q04 DOC 5MA7-U5 <br /> I <br />