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r <br /> rremediation, UST release sites, and solid waste facilities that have had a known migration <br /> According to the EDR report, a leak was discovered during the removal of a waste oil UST in <br />' 1996 The case type was listed as "soil-only" and the case closed in late 1997 <br /> According to SJCEHD files, the Goodyear Tire and Rubber property contained a 550-gallon <br /> waste oil UST that was removed in December 1996 (HK2, Inc, 1997) No petroleum <br />' hydrocarbon analytes were detected in a soil sample collected from the base of the excavation <br /> following removal, however a composite sample collected from excavated soils contained total <br /> petroleum hydrocarbons (TPH) up to 10,000 ppm The stockpiled soils were then used to <br /> temporarily backfill the plastic-lined excavation <br /> In 1997, the backfill materials were then excavated, with two additional soil samples collected <br /> from the excavation sidewalls and analyzed for TPH-G, TPH-D, and TPH-motor oil (TPH-MO) <br /> No analytes were detected The case was subsequently closed by the SJCEHD <br /> Former Tracy Diner <br /> The former Tracy Diner, identified as Former Restaurant in the EDR. report, is located to the <br />' southwest of the site, at the intersection of Adam Street and West l 1'h Street (Photograph 8) The <br /> property is listed in the LUST database, with hydrocarbons the listed chemical of concern <br /> rAccording to SJCEHD records, the Former Tracy Diner property was a gasoline service station <br /> from 1940 up until at least 1970 (Advanced GeoEnvironmental, Inc , 2001a) According to the <br /> Sanborn maps (Section 1 1), gasoline stations had been operated in this area since at least 1921 <br /> At the time of this report, the property was vacant No records were located in the SJCEHD files <br />' stating that the USTs had been removed from the property <br />' In May 2000, five soil borings were advanced at the site by Advanced GeoEnvironmental, Inc <br /> Analytical results of grab groundwater samples detected TPH-G concentrations up to 55,000 <br /> ppb, this concentration is near the effective saturation limit of gasoline in groundwater and is <br /> indicative that residual fuel product may be present No record of TPH-D analysis was noted <br /> (Advanced Geo Environmental, Inc , 2001a) <br /> 1 <br /> . CNCM04-28-031SHAREWST103-0027 doc 5 <br /> I <br /> r <br />