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Site-Specific Health & Safety Plan Wilson Way Property Page No. 4 file with the DISC. Consequently, it is unknown if any additional investigation of the Stockton 99 Speedway property has been preformed. However, based on available information, including maps contained in the SGI workplan which indicate that the fill material extends to the property boundary between the Stockton 99 Speedway and the northwestern portion of the subject site, coupled with the detection of lead at 440 mg/kg in a soil sample collected 100 feet from the subject site (the sampling location closest to the subject site) and the relatively widespread detection of lead within the fill material located at the speedway, the condition of surficial soil in the northwestern portion of the subject site relative to a potential impact from metals and organochlorine pesticides is unknown. During Krazan's February 20,2013 site reconnaissance, stormwater drains were observed at several locations on the subject site, including a line of drains located along the southwestern subject site boundary, a line of drains located between the 3975 and 4001 N. Wilson Way buildings, drains located in the eastern portion of the General Trailer facility, and drains located near the northeastern subject site boundary. Neither, Mr. Scott nor any of the subject site occupants knew how the storm drains were configured or where the drains emptied. Additionally, a steel plate covering an apparent subsurface feature was observed in the southern corner of the subject site (southeastern portion of the General Trailer facility). This apparent subsurface feature is generally in line with the stormwater drains located in this portion of the subject site, and thus may be a dry well or sump associated with the stormwater drain system. The cover to this apparent sump could not be removed at the time of the site reconnaissance and the feature below the steel plate could not be inspected. No odors, surface staining, or obvious evidence of the disposal of hazardous materials/waste was observed in association with the on-site stormwater drains. However, based on the current and historical occupants of the subject site, the hazardous materials commonly utilized in conjunction with these businesses, the presence of two fuel ASTs resting on the ground surface in the western corner of the subject site suggesting that fuel was historically stored/dispensed on site, and the occupation of the subject site by businesses storing hazardous materials since at least 1980, the potential exists for environmentally persistent hazardous materials to have entered the on-site storm drains. Consequently, the condition of the subsurface of the subject site in the vicinity of any on-site stormwater disposal feature, presumed to be an on-site dry well(s), is unknown. Generally, the scope of the project will include obtaining the necessary permits from SJCEHD, a geophysical investigation using ground penetrating radar (GPR) and a magnetometer, notifying USA North to mark their members underground facilities, the advancement of soil borings by use of a drilling rig and/or hand auger and sampling of soil at the subject property. Sample labeling, preparation, shipment and analyses will also be conducted. 1.2 Key Personnel & Responsibilities The following personnel will have the overall responsibility for the safe operation of this investigation: Project Director: Art Farkas Corporate Safety Officer: Dean Alexander Task Leader: Michael Bowery/Martin Groth On-Site Safety Task Leader: Martin Groth KRAZAN & ASSOCIATES, INC. With Offices Serving the Western United States 01413157-Wilson Way Property-HASP FINAL