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rVI �RG'jfi�`EN I AI. HEAL111 <br /> P , MIT SFIZ�lCL ENGINEERING <br /> 3 MAY 16 <br /> AM 11; 09 12793 PADDY CREEK LANE LODI, CA 95240 <br /> 0 i� PH (209) 368-9381 FAX(209) 367-1163 <br /> May 13, 2003 <br /> Mr Michael Infurna <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 304 E Weber Ave Third Floor <br /> Stockton, CA 95202 <br /> Subject Connell Motor Truck Co -2211 N Wilson Way Stockton CA 95205 <br /> Srte Code 39-1304 Global ID 70507700812 <br /> RE First Quarter 2003 Monitoring Well Sample Analysis Report <br /> Beer Nt Infurna <br /> Please find below the First Quarter 2003 Monitoring Well Sample Analysis Report of findings and <br /> recommendations for the above stated property <br /> "USTORY OF UST REiNJOVAL,OVER EXCAVATION,AND PLUME DELINEATION <br /> On June 11, 1998,the three USTs on this site were removed by Jim Thorpe Oil,Inc of Lodi,California <br /> under PHSIEHD permit and oversight Asper the work plan for the removal,soil samples were extracted <br /> and analyzed for BTEX,TPHgas,TPHdiesel,and Oxygenates The analysis indicated the soil under and <br /> near the dispensers was contaminated with both gasoline and diesel The soil underneath and <br /> surrounding the three USTs was analyzed as non-detect for all compounds The tank excavation was <br /> backfilled with onsite pea gravel <br /> Over excavation of the dispenser area was started and suspended on December 10, 1998 with less than <br /> 50% of the planned work completed The excavated area was backfilled with pea-gravel and the <br /> excavated soil was stockpiled on the site Work was suspended due to the discovery of a large volume <br /> of contaminated soil found below and adjacent to the pump islands The test results from Sherwood Labs <br /> indicated that the petroleum contamination was old and highly degraded Due to the extent of the <br /> petroleum contamination,the PHS-EHD ordered a delineation of the contaminating plume and a ground <br /> water investigation <br /> 1 <br />