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3.5.2 Facility Ownership/Operators D.H. Winn Trucking Company currently uses all three parcels that comprise the Site as a commercial truck terminal for transporting gravel, asphalt, concrete, and brick (none of these materials are stored at the Site). Truck washing and maintenance activities are concentrated in and around the structure on the southern parcel; while the northern and western parcels are primarily used for parking. On the northern parcel, a fence, garage, and trailer owned by the north-adjacent neighbor encroach onto the Site by approximately five feet. That north-adjacent property is used as a residence and small vineyard. 3.5.3 Business Type and Years of Operation The southern parcel of the Site was the location of a grain warehouse (possibly the current structure)from prior to 1898 until at least the 1930s. Between the 1930s and 1970s, the southern parcel was used for brick making and sand blasting. The Winn family acquired the southern parcel in approximately 1975, at which time the structure located thereon had an earthen floor, and the remainder of the parcel was unpaved. The Winn family installed the concrete slab floor and paved the remainder of the parcel. The western parcel and the southern portion of the northern parcel were historically a railroad right of way. So far as is known,the northern portion of the northern parcel has never been developed. The Winn family purchased the northern and western parcels within the past two years and now use them for car and truck parking. These parcels are unpaved. 3.6 SURROUNDING PROPERTY LAND USES The Site is located in the unincorporated community of Lockeford, which is surrounded by agricultural land, dominated by vineyards and orchards, intermixed with rural and semi-rural residences. Land uses for properties adjacent to the Site are noted on Figure 2 and include an elementary school, two residences (one including a small vineyard), a larger vineyard, a church, and two unpaved parking areas. Within about L/4 mile north of the Site is the "downtown" commercial area of Lockeford, an area a few blocks long of mixed retail businesses. A residential area of a few hundred residents surrounds this commercial area. A small area of agriculture-related light industry is located approximately 1/2 mile west of the Site, along Locke Road. 3.7 PHASE I ESA REPORT RECOMMENDATIONS The Phase I ESA found no recognized environmental conditions at the Site except for the following [NOA, 2002]: • probable areas of moderate soil contamination by petroleum hydrocarbons throughout the Site, especially near the former UST,existing ASTs, and maintenance areas; • a potential for soil contamination by metals, petroleum hydrocarbons, and polycyclic aromatic hydrocarbons(PAHs) along the area of the former rail line; • a potential for elevated levels of metals and hydrocarbons in the soil below the slab of the building; and • a potential for asbestos-containing materials, lead-based paint, and bricks with elevated metals content in the existing building. Page 11 PAPEA L.ockeford\Work PIanV_ockeford WP.doc