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Union Pacific cont ined in local topographic lows. Facility Sign ficant undiked oil use areas at the yard drain to the Drainage sepa tion plant through the yard drainage system or to Desc: local opographic lows. Drainage within the WWTP (IW -1) is by ov rland flow back to the oil trap. The majority of the diesel shop area (VM1-4) drains into the industrial sewer towar the separation plant. Drainage entering the yard syste flows by gravity to the sump north of the diesel shop area. float gauge automatically activates the sump pump to pu p the accumulated liquids to the WWTP plant. Some drain ge on the southeast side of the shop building flows to the to al low sump and is also directed to the WWTP plant. Drain ge at the plant is directed to the oil trap and oil is skim ed off and pumped into the used oil tank (TNKO- 0295). Waste water is pumped through the main process pump to system treatment. Sludge is accumulated in the sludge tank (TNKO-0294) and then properly disposed. Hazardous Hazar ous materials used at the site are limited to a 5 Material gallon ontainer of gasoline which fuels the portable high Desc: pressu a steam cleaner. Hazardous Used it is considered hazardous waste in California and is Waste Desc: accum lated in Tank TNKO-0295. Process sludge some meets he hazardous waste criteria. It is stored in tank TNKO- 294. No other hazardous wastes are routinely genera ed at this facility. Containment The se aration plant area slopes down to the oil trap, Structures where ccumulated liquids are recycled through the Desc: separat on plant. Security Lightin . High level alarms. Systems Desc: Escape There a Route Desc: the 3rd Comment: Last User: OENVO14 https://home.www.uprr. e two available routes for vehicles. Either north to treet entrance or south to'the 8th Street entrance. Last Update: 01 -Apr - 2009 Page 2 of 2 info fac.cfm 4/1/2009