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�../ k'9 KLEINFELDER 1 SUMMARY A Site Reconnaissance Update was conducted for Grupe Commercial of the two parcels of land located east (20-acres) and west (12.76-acres) of Thornton Road in San Joaquin County, California. The subject site west of Thornton road currently consists of trees, and brush and is vacant, the site east of Thornton Road consists of approximately 16-acres of vineyards and 4- acres of graded, vacant land. The purpose of this Reconnaissance Update is to compare current site conditions to those previously noted since our prior Phase I Environmental Assessment (Surface and Subsurface Contamination Report) dated July 20, 2000 (File No. 20-1415-17.P01). Kleinfelder understands that the Site Reconnaissance Update was requested by Mr. Johnny Yoakum, Sr. R.E.H.S. of the San Joaquin County Environmental Health Department (SJCEHD). The following is a summary of the possible environmental conditions in connection with the property that were contained in the previous 2000 report: • On properties with a history of agricultural use, many underground pipelines may exist. It was common for said pipelines to contain asbestos (e.g. Transite pipe). Subsurface exploration is not a part of our scope of work for this project. In the event that any subsurface structures are encountered during site development or excavation on site, care should be exercised in determining whether or not the subsurface structures contain asbestos. If they contain asbestos, they should be removed, handled, transported, and disposed of in accordance with local, State, and Federal laws and regulations. Additionally, if suspect materials are encountered, the signatories of this report should be notified. • Based upon Kleinfelder's review of aerial photographs during our prior Phase I ESA and the observation made during our recent site reconnaissance, the agricultural use of the site consisted of a vineyard and dry crop grain field. Agricultural chemicals may have been applied to the site. No chemical mixing or storage areas were noted on site or in aerial photographs. Normal agricultural chemical usage as part of crop production does not generally trigger enforcement action by regulatory agencies and is therefore not considered a "recognized environmental condition." Surface soil samples could be collect to further evaluate this issue if desired. • The subject site does not appear on the regulatory agency databases reviewed. A single property exists within the ASTM minimum search distances to the site. The "listed" property is not anticipated to pose an adverse impact to the subject site for reasons discussed in the body of this report. Kleinfelder's findings are discussed in Chapter 4 of this report. This report is subject to the limitations in Chapter 2. Any party other than the client who would like to use this report shall notify Kleinfelder, Inc. of such intended use by executing the "Application for Authorization to Use"contained in Appendix C of this document. im. 18470.P01/ST02R285 Page 1 of 14 Copyright 2002,Kleinfelder.Inc July 30,2002