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Stockton Unified School District Geological and Environmental Hazards Assessment fi.* CSU-Stanislaus, Stockton Campus School Site Page 8 located in the northeastern quarter and is bounded by N. Acacia Street, N. Aurora Street, E. Flora Street, &me and N. Grant Street. Bleachers are located on the western side of the track. Storage buildings, a designated historical building, and a PG&E electrical station are located south of E. Flora Street in the southeastern quarter; a parking area, road, a sewer screening station, a residence, and a drug-recovery house are located west of N. Grant Street in the southwestern quarter; a park area with a restroom facility is located north of E. Flora Street in the northwestern quarter; and several abandoned buildings are located along the eastern road. 2.5 CURRENT USES OF THE ADJOINING PROPERTIES Several institutional buildings are located north of E. Acacia Street and east of N. Aurora Street. Located to the east and southeast of the site are a vehicle-fueling area for diesel and unleaded gas, a vehicle garage and maintenance area, a chemical storage area, an emergency generator area, a concrete debris pile, an overhead utility pole, and an storage area for old electrical switches. Several railroad tracks are located to the east of this area. The properties to the south across Park Street, from east to west, consist of an old brick building labeled Sears, Roebuck, and Company; an apartment building; a telephone/electrical office; and apartment buildings. The State Department of Motor Vehicles is located on the northwestern corner of Park Street and American Street. Several state-funded residences are located across N. Stanislaus Street, which gently trends to the west and is also called E. Poplar Street. A portion of the site park area extends to the west, north of the residences. 3.0 USER PROVIDED INFORMATION 3.1 TITLE RECORDS No title records were provided by the District. 3.2 ENVIRONMENTAL LIENS OR ACTIVITY AND USE LIMITATIONS An environmental lien is a charge, security, or encumbrance upon title to a property to secure the payment !•' of a cost, damage, debt, obligation, or duty arising out of response actions, cleanup, or other remediation of hazardous substances or petroleum products upon a property. No evidence of any environmental liens placed on the site property was revealed in the course of this investigation. t4- 3.3 SPECIALIZED KNOWLEDGE Condor has been conducting soil and groundwater investigation activities related to two former underground storage tanks (USTs) in a portion of the study area for the past three years. The UST site is located at the corner of Flora and Aurora Streets in the California State University Stanislaus (CSUS), Stockton Muiti-Campus Regional Center. The site is shown in Figure 2, Appendix E. The site contained three USTs associated with past uses of the site. On July 22, 1998, Henderson Construction of Stockton, California removed all three USTs and associated product piping and fuel t..0 dispensers from the site. Results of soil samples collected during the UST removal activities indicated that soil and potentially groundwater investigation was necessary in association with one of the USTs, denoted TK-10, a 10,000-gallon capacity tank that formerly contained diesel fuel. Further soil ,r investigation and subsequent groundwater investigation, as described below, indicated that another site UST, denoted TK-11, also with a 10,000-gallon capacity but formerly containing gasoline, may have also 11NA4 L. i CONDOR