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SITE ASSESSMFINT REPORT <br /> UPDATE AND WORK STATUS RE=FORT <br /> FORMER I SC W1 VERY S I TE <br /> 1 WEST rLP,_NER Roo. D, LODI CALIFORNIA <br /> I NTRODLCT I ON'' <br /> The 15C winery was decommissioned in 1956 and all surface <br /> structures �aerL- 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 %IIaSnot removed. <br /> Fuel contamination of the soil under the tcnk N4as noted. 1'ersar <br /> Inc. , Sacramento, CA made a Property Transfer assessment Study, <br /> dated June 5 , 1955 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. , 1957) . Soil contamination was <br /> noted and a recommendation for a preliminary subsurface investi - <br /> gation was made (Appendix A-3) - <br /> Ultima'aly, the firm Groundwater Technology Inc. (GTI ) was hired <br /> to perform the first steps of the subsurface investigation, pre- <br /> sum:ably following the format outlined by the San Joaquin grLocal <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 May 25, 1953. It included recommendations <br /> equtlfor further work which would complete an SaR. Subs <br /> nauvust <br /> critique of the GTI report Nvas made by the SJLHD, g <br /> 2, 1955 . GTI responded to the questions in the critrthe SJLHD <br /> letter dated September 13, 19SS, The GTI report, <br /> critique and the GTI response arc appended herein as Appendices <br /> A-7 , A-S and A-9. <br /> Subseq;!en= to the above reports , work was done at the site that <br /> normal ] }' woulr, have been cart of both Site ,issessrrment and Clean- <br /> up. This vork inclUded exca,,at ; on of contaminated soil , , <br /> stockoiling of this soil at the sitp_;,and ana!}tical testing of <br /> the soils to mike sure tha?. all centarnrnation had been removed. <br /> During the excavation process . three groundssater man4eoe€ shesareds <br /> that had been installed by GTI (See .appendix A-7) <br /> Hunter dl .associates :acre retained in December 1989 to up-date the <br /> GTI report -nd to a^aIYze and discuss operations performed after <br /> t-h..e._..- vr..! 3_rn.g._.of the report by Jim Thorpe Oil Company iJTO) , thy. <br /> par-Iv in g+char -a..._ot .__._d_emo.l.i.t.ion: ..._.._cant-amination <br /> responsible Na' -- -.-...._ - --- <br /> - <br /> clean-up and site restoration. <br /> Hunter 3 Associates are California registered geologists and <br /> eologists as is required for ��'itness ; ng <br /> certified engineering g <br /> 1 <br /> .. - -- --- Ramim�w�IrSAI171R1 1i®1 <br />