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0 <br />Union Pacific <br />Facility Repo <br />Location: CA, � <br />Type: <br />Env <br />Name: <br />IW- <br />Desc: <br />IW - <br />(WW <br />discl- <br />MP Start: <br />92 <br />MP End: <br />92 <br />List <br />ckton <br />:)nmental Management <br />Waste Water Plant Abbr: IW -1 <br />is an industrial waste water pretreatment plant <br />P) which processes industrial wastewater prior to <br />rge to the City of Stockton sanitary sewer. <br />Lat: SbDv: Oakland <br />Long: <br />Address:Wast Water Plant <br />Union Pacific Railroad Company <br />833 E st 8th Street <br />City: Stock n County: San Joaquin <br />Phone: 209-5 6-7224 Fax: 209-547-7211 <br />Mow <br />Nbr: <br />St: CA <br />Postal: 95206 <br />Country: USA <br />Petroleum . Petrol um containing waste water from the Car Shop(VM- <br />Use Desc: 5), Dir ct to locomotive (DTL) fueling area (VM -3), and the <br />ACE lea ed areas (VM -1,2 & 4) is processed to remove the <br />oil. The recovered oils are accumulated in the Used Oil <br />Storage Tank (TNKO-0295) for shipment to the approved <br />used oil recycling facility. At pump station on the western <br />fencelin of the WWTP is used to drain used oil filters and <br />accumu to other used oils from other operations. These <br />used oil Iare also pumped into TNKO-0295. <br />Activities Industri I waste water is continuously processed for free oil <br />.Desc: and soli s in the Primary Clarifier. The water is then put into <br />storage. i . the 88,000. gal Retention Tank (TNKS-0056). <br />Water fr m TNKS-0056 is batch treated and discharged on <br />an "as -n eded" basis. The batch treatment process has a <br />clarifier f r emulsified oil removal and a dissolved air <br />flotation nit. Cationic and anionic polynmers are used, as <br />needed, enhance the flotation of the waste. Sludge <br />accumula ed in TNKO-0294 is properly disposed of. Used oil <br />is transfe red -from Tank TNKO-0295 into a tank truck and <br />hauled o site for recycling. Flow from the load zone area is <br />back into he local topographic lows or into the Area Sump <br />of the W P.. <br />Access Enter the Yard on East 8th Street. Head south to the former <br />Route Desc: diesel sho . The WWTP is located 300 yards south of the <br />diesel sho . <br />Flow Desc: Most of th yard surface runoff is contained within the yard <br />limits. Flo within the area of the separation plant is <br />directed ba k to the oil trap for recycling. Flow at AST -6, <br />retired Die el Storage is directed to the oil/water separator <br />for recyclin . The drains in the containment around Tank <br />No. 6 are n rmally closed. Most of the flow in the diesel <br />shop area ( M1-4) is into drip pans and directed to the <br />separation lant through the facility drainage system, or <br />https://home.www.uprr.conV <br />Page 1 of 2 <br />emg/apps/secure/ceps/cfm/reports/info_fac.cfm 4/1/2009 <br />