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1 <br />' 2.26 Used Oil Tanks <br />' Used oil is handled and stored in the active pit and at the vehicle maintenance shop. The <br />used oil containers vary in size but generally hold 55 gallons. These used oil containers <br />are stored in a steel containment vessel that has a minimum storage capacity of 110 <br />' percent of the total capacity of the used oil containers. The steel containment vessels aze <br />welded in a manner similar to the fuel storage containment vessels to provide a leak proof <br />container. <br />' The tanl: is manually filled with used oil 5 gallons at a time. There is a 10-inch diameter <br />fill port in the top of the tank where the used oil is poured into the tank. When the tank is <br />' nearly full, which is readily observable during filling, the oil is loaded onto a truck and <br />hauled to an off-site location where it is utilized in a used-oil burner or disposed of <br />according to State and EPA regulations. <br />' 2.2b.1 Information Required by 40 CFR Part 112 <br />1 <br /> <br /> <br /> <br />1 <br /> <br /> <br />1 <br />1 <br /> <br />1 <br />1 <br />The used oil is contained within a steel containment vessel which is designed to <br />contain a maximum spill from all the drums. Thus, no prediction of direction, rate of <br />flow, or total quantity of oil is necessary as a maximum spill would be fully <br />contained. <br />2. There have been no reportable oil spills at this facility since the time of installation. <br />3. Fail safe engineering: as described above, the level of the tank is easily observed <br />during filling, and very small quantities of oil (~ gallons) aze added to the tank at any <br />one time. These factors effectively prevent overfilling of the tank. <br />4. Facility lighting is provided by yard lights on the shop. <br />The azea is fenced and the gate is kept locked (except during business hours) to <br />prevent vandalism. <br />6. The facility is inspected monthly and inspections aze documented and kept on file as <br />required. Additionally, informal visual inspections aze performed daily by workers in <br />the azea. <br />7. There is no buried piping at this facility. <br />The tank terminal connections are capped or blank flanged and mazked if the tank is <br />not in service. <br />9. Loading/unloading procedures meet the minimtun requirements of the Department of <br />Ttransportation as specified in 49 CFR Parts 171, 173, 174, 177 and 179. <br />13 <br />