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ultimately to the il/water treatment station. Bulk waste oil is stored in a 20,000 gallon aboveground tankj to the east of the shop. Cleaning the loco otives occurs in the diesel shop and at the wash pad. These areas are also plumbed to the di*l shop oil/water separator then to the oil/water treatment system. The oil/water sep rator and treatment system functions are to separate the yard and facility runoff into threeifferent wastestreams: 1) recyclable waste oil, 2) waste oil sludge, and 3) wastewater. The recyclable wa to oil is reclaimed from the oil/water separator system and stored in large (10,000 gallon and 20,000 gallon) aboveground tanks. This oil is transported and recycled by Evergreen Oil Company. The waste oil slud Ye is a by-product of the oil/water treatment system. This sludge is pumped through below gra Je piping to tank cars. Union Pacific transports this sludge by rail for disposal in Counci Bluffs, IA. The wastewater flws into the City of Stockton Wastewater Treatment System. This water is discharged under permit from the City of Stockton Municipal Utilities Department. The spent oil filteare stored in a container at the diesel repair shop. The filters are transported and di posed of by United States Pollution Control, Inc. of Clive, UT as hazardous waste. The locomotives a e fueled on a cement pad west of the diesel repair shop. This pad is sloped to drains which arconnected to the oil/water separator and ultimately to the oil/water treatment plant w ich separates any fuel waste which spills into the drain. The total amount of the 1992 manif An incident log is related incidents. however, all logge necessary extent. have been logged. On April 5, 1993, l yard. Emergency 1 perchlorate, and of due to concern of to a five gallon coi clean up company. hazardous waste generated in 1992 was 247.67 tons as found from review ept by Barry Ballance to record all cases involving hazardous substance lot all the cases involve an actual release of hazardous waste or materials; incidents triggered the activation of the emergency contingency plan to the ince Mr. Ballance started in this position as of April 1993, over 45 cases S-EHD was requested to respond to a leaking trailer incident at the rail sonnel believed the trailer contained resin, lithium silicon potassium, r miscellaneous items. The yard and nearby businesses were evacuated explosion. Emergency personnel later determined the spill to be limited finer of ethylene glycol which was quickly cleaned up by a hazardous waste On April 20, 1993,a metal hydroxide spill was reported and PHS-EHD responded. The spill was quickly cleane up, containerized, and disposed of. No further clean up was required. 3