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,7�x <br /> Date January 30,200E <br /> JOE'S TRUCK PLAZA QUARTERLY GROUNDWATER MONITORING REPORT <br /> Facility Address 15600 South Harlan Road, Lathrop, California <br /> Project Supervisor Kashmari Singh 1 Dalwinder Dhoot <br /> Consulting Co/Contact Person Stratus Environmental, Inc / Stephen J Carter, R G <br /> Consultant Project No 2033-15600-01 <br /> Primary Agency/Regulatory ID No Margaret Lagorio 1 San Joaquin County Environmental Management <br /> Department <br /> WORK PERFORMED THIS QUARTER(Fourth 2003) <br /> 1 Stratus measured groundwater elevations and collected groundwater samples from wells MWA <br /> through MW-6, MWO-1 through MWO-3, and MWO-1X on December 19, 2003 <br /> 2 Stratus compiled and evaluated groundwater monitoring data <br /> 3 Stratus submitted a Work Plan for Additional Site Assessment(dated October 21, 2003) and a Work <br /> Plan Addendum (dated December 31, 2003) <br /> WORK PROPOSED FOR NEXT QUARTER(First 2004) <br /> 1 The next sampling event is tentatively scheduled for March 2004 Groundwater samples will be <br /> collected for laboratory analysis from wells MWA through MW-6, MWO-1 through MWO-3, and <br /> MWOAX <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 /> 3 Stratus will initiate the proposed scope of work once the necessary access agreement for the <br /> adjacent property and an encroachment permit from the City of Lathrop can be secured <br /> Current Phase of Project Assessment <br /> Frequency of Groundwater Sampling All Wells =Quarterly <br /> Frequency of Groundwater Monitoring Quarterly <br /> Groundwater Sampling Date December 19, 2003 <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 29 to 10 50 feet below top of well casing <br /> Groundwater Flow Direction North-northeast <br /> . Groundwater Gradient 0 0018 ft/ft <br /> i <br /> P Voe's Truck P1aza\Quaner1y120031Joc's Truck Plaza-4Q03 DOC 57-RAT O <br />