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• Excavation of approximately 330 cubic yards of petroleum-impacted soil from the <br /> former UST pit and vicinity by IT in May 1995 A vapor observation point was <br />' constructed at the base of the excavation. The excavation was subsequently <br /> backfilled with clean imported fill material and capped <br /> • Drilling of two soil borings to 64.5 feet (SB-1 and SB-2) by IT in August 1995 <br /> • Quarterly groundwater monitoring by BSK and IT since October 1992. <br /> 1 Results from the subsequent investigative and corrective actions concluded that only TPH as <br /> diesel is present in the soil and groundwater at the site. The continued quarterly groundwater <br /> monitoring has been conducted pursuant to direction by the San Joaquin County Public Health <br /> Services,Environmental Health Division (PHS/EHD). <br /> 1 <br /> M7409-18-96/VDBF/96-0019 js 1-2 <br />