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2.5 Environmental Records File Review <br /> On,Tune 7, 1996, the environmental files for this site were reviewed to determine tank removal <br />' and environmental corrective action activities The following reports were contained in the <br /> project file and reviewed for this purpose <br /> • Workplan for Permanent Closure of Underground Storage Tanks at the Fabricare <br /> Facility dated September 30, 1988, <br /> • Revision to the Preliminary Report of May 1990 dated June 1990, i <br /> • Various letters of correspondence between legal counsel representing Fabricare <br />' and the property owner, and the San Joaquin County PHS/EHD <br />' 3.0 Summary and Conclusions <br /> The following sections summarize previous environmental corrective action activities and the <br />' groundwater sampling event conducted on May 17, 1996 <br />' 3. 1 Summary of Environmental Corrective Action Activities <br /> The former Fabricare site is a vacant former textile processing and dyeing facility which utilized <br /> four (4) underground storage tanks (Tank A through Tank D) Tank B, a 10,000 gallon diesel <br /> UST, was abandoned in place by Fabncare in 1974, prior to the enactment of current UST <br />' regulations On December 1, 1988, soil borings were drilling in the vicinity of Tanks C and D, <br /> both 5,000 gallon diesel USTs Laboratory results from these soil borings indicate that low <br />' concentrations of toluene were present in the soil in the vicinity of Tanks C and D Tanks C and <br /> D were removed from the site circa 1991 <br /> Tank A was excavated and removed in Janof 1989 TPH- asoline was detected at 2 000 <br /> �'Y g , <br />' ppm in a soil sample collected from the east end of the tank excavation Low concentrations of <br /> ethylbenzene, toluene and xylenes were also detected in this soil sample A sample collected <br /> from the west end of the excavation did not contain detectable concentrations of petroleum <br /> hydrocarbons On August 2 and 3, 1989, one continuously cored soil boring and four other soil <br /> borings were drilled in the vicinity of the Tank A excavation to define the vertical and horizontal <br />' extent of impacted soil Toluene was the only petroleum hydrocarbon constituent present in soil <br /> samples collected from these borings The Tank A excavation was extended on April 4, 1990 <br /> 6 <br />