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gwv .[ `��-- <br /> -� �.� •rhe ys" a <br /> +F'� <br /> r <br /> SITE ASSESSMENT REPORT <br /> UPDATE AND WORK STATUS REPORT <br /> FORMER I SC W I VERY S I TE <br /> 1 WEST TURNER ROAD, LODI CALIFORNIA <br /> INTRODUCTION <br /> The ISC winery was decommissioned in 1986 and all surface <br /> structures were demolished preparatory to conversion of the site <br /> to a higher land use. During demolition, an on-site, concrete, <br /> fuel storage tank of about 15,000 gallons capacity was removed. <br /> Fuel contamination of the soil under the tank was noted. Versar <br /> Inc. , Sacramento, CA made a Property Transfer Assessment Study, <br /> dated June 5, 1988 in which they summed the site history, geology <br /> and hydrogeology. Two fuel storage tanks had already been removed <br /> at this time (Removed in Jan, , 1987) . Soil contamination was <br /> noted and a recommendation for a preliminary subsurface investi - <br /> gation was made (Appendix A-3) . <br /> Ultimately, the firm Groundwater Technology Inc. (GTI ) was hired <br /> to perform the first steps of the subsurface investigation, pre- <br /> sumeably following the format outlined by the San Joaquin Local <br /> Health District (SJLHD) . That is: ( 1 ) A Preliminary Report, and <br /> (2) A Site Assessment Report (SAR) . The preliminary report was <br /> submitted by GTI , dated klay 25, 1908. It included recommendations <br /> for further work which would complete an SAR. Subsequently a <br /> critique of the GTI report was made by the SJLHD, dated August <br /> 2 , 1988. GTI responded to the questions in the critique in a <br /> letter dated September 13, 1988. The GTI report, the SJLHD <br /> critique and the GTI response are appended herein as Appendices <br /> A--7, A-8 and A-9. <br /> Subsequent to the above reports, work was done at the site that <br /> normaliy would have been part of both Site Assessment and Clean- <br /> up. This work included excavation of contaminated soil , <br /> stockpiling of this soil at the site and analytical testing of <br /> The soils to make sure that all contamination had been removed. <br /> During the excavation process , three groundwater monitoring wells <br /> that had been installed by GTI (See Appendix A-7) were sheared. <br /> Hunter & Associates -were retained in December 1989 to up-date the <br /> s o p e r a t o n s._.p.e.r f o r methe writing of. the report by Jim Thorpe Oil Company (JTO) , the <br /> responsible party in charge of demolition, soil contamination <br /> clean-up and site restoration. <br /> Hunter & Associates are California registered geologists and <br /> certified engineering geologists as is required for witnessing <br /> 1 <br />