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1.0 EXECUTIVE SUMMARY SECOR International Incorporated (SECOR) performed a Phase I Environmental Site Assessment (ESA) of Patterson Pass Business Park Building #5 located at 25521-25653 S. Gateway Boulevard in Tracy, San Joaquin County, California (subject property). The field inspection, completed on March 11, 2005, consisted of a walk-through inspection of the interior and exterior areas of the subject property. SECOR also conducted a review of pertinent readily available records of local, state, and federal agencies, and interviews with persons knowledgeable about the current site activities. SECOR also reviewed a previous Phase I ESA report for two larger parcels, including the subject property, prepared in December 1993 by SWL Environmental Services (SWL). Data regarding the historical use of the subject property and adjacent properties was obtained from the previous ESA report. ProLogis, owner of the subject property, requested that the Phase I ESA be completed in accordance with ASTM Standard Practice E1527-00 Standard Practice for ESAs: Phase I ESA Process and the scope of work contained in the January 14, 2005 Agreement for Environmental Consulting Services between SECOR and ProLogis. SECOR was retained by ProLogis to evaluate the presence of recognized environmental conditions as defined in ASTM, and to evaluate other aspects of the environmental condition of the property as specified in the Agreement. The subject property consists of a 3.89-acre parcel of land developed with a warehouse/production/distribution building totaling 84,000 square feet and occupied by three tenants: Coast-to-Coast (14,000 square feet), Hap Jones Distribution (21,000 square feet), and Barbosa Cabinets (49,000 square feet). Three concrete truck aprons with asphalt-paved parking/driving areas and landscaped vegetation around the perimeter and near office area entrances were present at the time of the inspection. No soil staining, discoloration, or evidence of improper disposal was observed on the subject property. Coast-to-Coast is an auto parts distribution warehouse. Hap Jones Distribution is a motorcycle parts and tire distribution warehouse. Barbosa Cabinets is a manufacturer of custom laminate and granite countertops. Barbosa Cabinets utilizes small amounts (less than 5 gallons) of contact adhesive, ethyl alcohol, and joint compound in the assembling of the countertops. Concrete floors in the warehouse areas at each tenant space were in good condition with no cracks or chips. Aerial photo review, interviews, and other related records searches indicated that the subject property building was constructed in October of 1998. Prior to construction, the subject property was undeveloped land. The historical review did not identify evidence of past on-site activities that appear to pose a risk of adverse environmental impacts to the subject property. A review of federal and state databases of known or suspected contaminated sites and other related environmental databases provided by Environmental Data Resources, Inc. (EDR) identified the adjacent property to the west, EnXco, on the RCRA-SQG database. This listing is for tracking purposes only and no violations were reported. One California Spills, Leaks, Investigation and Cleanup (CA SLIC) facility is located approximately 0.44 mile west-northwest of the subject property. SECOR contacted the Central Valley Regional Water Quality Control Board on January 26, 2005 for information regarding this facility however; as of the date of this report, no response has been received. Based on its distance from, and its inferred cross- gradient groundwater flow position relative to the subject property it appears unlikely that this Final ESA-30102-Tracy CA.doc 1 SECOR International Incorporated March 28,2005