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^� Environmental Files S May 15, 1986 Ak) {�encV0.1 -Z d�cv�'Ie ' I S��e W�� YLLNto(A�f 6r #V S,99 18. 9 lr, �� 50`1\k UG&Ct b6.4 k-4b Z jc ��k 10-335911 yb , "ns �' "\ X1(1 S", Railroad Relocation Re: Hazardous Waste Involvement on Proposed R/W As part of the above referenced project, it will be necessary to acquire a portion of a parcel (Assessors Parcel 143-300-03) presently owned by Leonard Bros. Trucking. This parcel is now in escrow and may change ownership in the near future. The property is located a 221 N. Cardinal Ave. in Stockton. The parcel is vacant now except for existing improvements and was most recently used for trucking activities. The parcel includes at least 3 underground tanks (gas and diesel apparently) , several abandoned tanks, 8 or more 55 gallon drums containing unknown substances, structures, concrete slabs and paving , and miscellaneous trash. The property was previously operated as a food processing facility with floor drains etc. The property is now fenced with chain link but is not locked. The filler caps to the underground tanks are accessible and can be removed. The drums contain unknown material and may have been partially emptied on the property. Signs of trash and unauthorized access indicate illegal dumping is a possibility. Previous operations and activities are not completely known and there is some indication of surface soil discoloration at some locations. The original alignment crossed directly over the underground tanks. These tanks have not yet been registered under current state law but have been given an extention until the September 1986 deadline for applying for necessary permits etc. The tanks were not properly abandoned as required by law whenever tanks are not in use for over 6 months. A new design alternative would cross the parcel farther to the west and avoid the tanks unless the remainder also had to be purchased. Any alignment crossing the parcel should be investigated for hazardous waste potential . All investigation work , but not cleanup, can be accomplished by use of the State Hazardous Waste Contract. This investigation could include: --Surface Soil testing for gasoline, benzene, toulene, xylene, diesel , total hydrocarbons, pcb 's, pH, and heavy metals. Other compounds may need to be included in a general scan of the area. --If surface tests indicate contamination then a more detailed plan should be developed by the Consultant. This might include soil borings and/or ground water monitoring. The site is located on property directly adjacent to Marley Cooling Towers, an EPA Superfund site currently undergoing extensive investigation for soil and ground water contamination. It could be necessary to distinguish between any on site contamination and contamination present from off site. --If it is necessary to acquire the tank occupied portion of the parcel , removal and subsequent sampling could be necessary unless the current/new owner registers or abandons the underground tanks first.