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�.. *00, <br /> The President is Roger Holliday. <br /> W. BACKGROUND <br /> On March 2, 1988, Public Health Services signed a "Memorandum of <br /> Understanding" with the Department of Health Service (DHS) now known as Cal <br /> EPA Department of Toxic Substances Control (Cal EPA/DTSC) authorizing <br /> PHS/EHD to perform hazardous waste generator inspections in San Joaquin <br /> County. <br /> TOC had a spill of approximately 2500 gallons of fuel resulting from an overfill of <br /> their aboveground tank #7701 on September 1, 1983. The City of Stockton Fire <br /> Department responded to this incident. <br /> On January 9, 1987, soil samples were obtained in an excavation where two <br /> aboveground tanks were previously located. These samples were taken for <br /> assessment purposes for preparation of the area for the installation of a new <br /> aboveground tank. The samples confirmed soil contamination. <br /> Another "spill-type" incident occurred on April 29, 1988, when an 8" fire water line <br /> broke causing TOC's property to become flooded. This flooding occurred on the <br /> loading rack area that drains into a 4000 gallon sump used for spill containment. <br /> Subsequent flooding of the sump caused surface overflow of free product and <br /> mixed fuels (sump's contents) totaling approximately 250 gallons. <br /> Historically, this bulk terminal facility has been generating a portion of their <br /> hazardous waste via a wastewater recovery system designed to remove petroleum <br /> contamination from groundwater. This operation was discontinued in 1991 due to <br /> the fact that product was no longer being detected in the groundwater during the <br /> processing. <br /> During PHS/EHD's inspection on March 29, 1990, it was observed that although <br /> approximately 73 tons of hazardous waste was generated and stored on-site in <br /> aboveground tank #609, no hazardous waste was manifested in 1989. The waste, <br /> previously stored in aboveground tanks, has now been processed through an above <br /> ground oil/water separator, and subsequently discharged, under permit, to the <br /> sanitary sewer. <br /> TOC had a 5000 gallon underground storage tank removed under PHS/EHD <br /> permit on June 20, 1991. There were 142 gallons of rinsate generated during the <br /> cleaning of the tank prior to removal. The rinsate was hauled under manifest to <br /> Ramos Environmental Services <br /> 2 <br />