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Proposal No.02-002 ese II Environmental Site Assessment/StocktooA February 3,2006 Parcel 163-020-011 (2150 West Charter Way) is occupied by Garton Tractor Inc. (Sperry- New Holland). This parcel was identified in References 1 through 3 as a historical underground storage tank (UST) site, which included the removal of USTs in 1987 and associated 161 cubic yards of contaminated soil. Five groundwater monitoring wells were installed and the site was formerly closed by the San Joaquin County Environmental Health Department (SJCEHD) in June 1995 and the wells were destroyed. However, Oxychem is located at 1904 West Charter Way and is an active LOP site with groundwater contamination, which may impact the subject site. • A clarifier and sump exist on APN 163-020-011 and therefore the underlying soil, surface water and/or groundwater may be impacted. Elevated concentrations of solvents or petroleum hydrocarbons may be present in the soil underlying the clarifier from the past discharge operations and leaks from the equipment may be present on the site. • A floor drain exists in the shop area, which has unknown terminus. The soil underlying the drain may be impacted by the past discharge activities. • Parcel APN 163-020-012 (2000 West Charter Way) is occupied by a rental facility known as Sunstate Equipment Company. Based on the review of the above mentioned references no adverse environmental factors were found that would adversely impact this parcel. However, this parcel may have been used for agricultural purposes. • Since the structures were constructed prior to 1978, therefore, lead based paint (LBP) and asbestos contained material (ACM)may be present within the structures. • References 1 through 3 identified three areas of concern: (1) potential presence of organochloride and metal (arsenic, lead and mercury) pesticides and hydrocarbons within the surficial soil, 2) potential of groundwater contamination in the area of the former historical USTs and adjacent Oxychem property; 3) potential presence of solvents or petroleum hydrocarbons, pesticides and PCBs in the soil underlying the clarifier, sump and floor drain from the past discharge activity and 4) potential presence of LBP and ACM within the structures. The purpose of this phase of work will be to evaluate the above concerns. All personnel who perform environmental work for Phase I and Phase II environmental site assessments have received the required 40-hour hazardous waste operating procedures (HAZWOPER) as per 29 Code of Federal Regulations (CFR) 1910.120 and 8 Code California Regulations (CCR) General Industry Safety Orders (GISO) 5192. TERRASEARCH, inc. Page 2