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t'+ <br /> INTRODUCTION AND BACKGROUND <br /> The Gillies Trucking Co. site area is located east of <br /> downtown Stockton on the west side of Newton Road between <br /> Cherokee Road and Wilson Way. The site area is shown in Plate <br /> Jim Gillies <br /> is also <br /> person for the purposes of.this report an o investigation.contact <br /> p <br /> The site covers an area of about 3.5 acres and measures <br /> approximately 200 feet by 720 feet. Only one structure exists <br /> on the property: the shop and office building. Site features <br /> are shown on the site plan, Plate 2. <br /> The site has reportedly been used only as a truck terminal <br /> for the loading and unloading of freight and as a small repair <br /> shop and office for the trucking business since approximately <br /> 1973. The fuel tanks were reportedly installed at about that <br /> time. Freight loads are stored temporarily on the yard west of <br /> the shop and office area. Prior to the truck terminal, the site <br /> was apparently farm or ranch land. <br /> A well shown in Plate 2 is believed to have been there <br /> since before the site was purchased by Mr. Jim Gillies in 1973. <br /> si <br /> siNo data are available for this well, but it was reportedly <br /> deepened and/or rehabilitated in 1974 by Clark Well Drilling Co. <br /> _ Underground tank removal services were provided by SEMCO in <br /> January 1989, and additional excavations and soil sampling and <br /> analyses were provided in July of 1990. The SEMCO aon <br /> destruction/disposal of two tanks was certified by <br /> January 25, di A copy of the certification form is shown in <br /> Appendix A. Tank testing performed as late as 1988, according <br /> to County records and in discussions with Mr. Jim Gillies, did <br /> _ not reveal unacceptable leakage rates. Inventory measurements, <br /> in a similar manner, did not apparently reveal tank or piping <br /> problems according to the site owner and the County records, <br /> although these were not reviewed in detail by RAI. <br /> A 500 gallon waste oil tank was present at the site until <br /> September 1986 when it was removed by Precision industries. <br /> soil samples and visual inspections of the tank, according to <br /> County and Gillies Trucking Co. records, revealed no indications <br /> of leakage from that tank. <br /> The 2,000 gallon and 10,000 gallon fuel tarics were removed <br /> in January 1989 by SEMCO. After the initial tank removal <br /> efforts, additional soils were excavated in an attempt to find <br /> - —_ - --- nd to achieve remediation to <br /> ----the-base-of thecontaminatedsoil a <br /> the prevailing regulatory standards:- -An-estimate -1to-1200 <br /> cubicyards are believed to be stockpiled at the site as shown <br /> on Plate 2. SEMCO estimated or calculated 1417 cubic yards of <br /> ... 1 <br />