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i 3.0 FACILITY DESCRIPTION (40 CFR 112.7 (a)(3)) 3.1 Physical Layout of Facilities The California Health Care Facility (CHCF) at 7707 South Austin Road, Stockton, California (San Joaquin County) is owned and operated by the California Department of Corrections and Rehabilitation (CDCR). The facility is located within the unincorporated area of San Joaquin County and is approximately 144 acres. Figure 1 at the back of this plan is a Site Vicinity Map showing the location of the facility and Figure 2 Facilities Site Map shows the layout of the facility. 3.2 Petroleum Products Onsite The CHCF operation includes the use and storage of fuels (gasoline and diesel only), motor oil, used motor oil, solvents, lubricants, and hydraulic fluids. Petroleum products are stored at the facility in above ground storage tanks (ASTs) and back-up generators. There are no underground storage tanks (USTs) located onsite. Other products such as grease, oil, and solvents are to be delivered in small containers and stored at the intended usage area. Four 10,000 gallon and one 2,000 gallon ASTs are used to store fuel at the Generator Yard (Figure 3). One 132 gallon AST is used to store fuel at the Vehicle Sallyport (Figure 4). One 550 gallon AST is used to store diesel fuel at the Water Plant Fire Pump as shown in Figure 5. The total AST volume potential of the site is 42,682 gallons The fuels at the Generator Yard are distributed to six back-up generators by aboveground piping. The fuel at the Vehicle Sallyport is distributed to the Lethal Electrified Fence back-up generator through internal piping that is self-contained. Diesel fuel at the Water Plant Fire Pump is distributed to the fire pump through internal piping that is self-contained. Used oil is disposed of by authorized recycled oil facilities. Petroleum storage areas are described below and listed on Table 3-1. Generator Yard: The Generator Yard is located in the northern portion of the facility as shown on Figure 2The Generator Yard ASTs with diesel fuels are located in the Generator Yard Facility area as shown on Figure 3. The four 10,000-gallon and one 2,000-gallon ASTs, are constructed of double walled steel encased in a reinforced concrete vault. The ASTs are located the east side of the Generator Yard. Tanks are filled by an outside vender in tanker trucks with up to 8,000-gallon total capacity. Generator motor: These generators have the capacity of storing 105 gallons of oil for lubrication. Piping containments. Fuel piping is above ground. Tank manifolds are connected by pipe and pump that siphon diesel fuels from bulk storage tank to the day tank. The punp has a one way pressure check valve that regulate the flow of diesel fuels from storage to the day tank; thus, these tanks do not operate as a single storage unit. The individual secondary contaimnent shells are sufficient to contain the entire quantity of the tank; a breach in one primary tank will cause the fuel level to be contained. A concrete steel secondary contaimi Brit was built around the ASTs to capture fuels 8411599 Page 3