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�► '..s rT7hesubject property has been farmed by the Van Vuren family for the past 30 years. A Ms. G. Munoz owned the property before the Van Vuren's and farmed it in pasture. The region has been dry land and irrigated farmed, particularly in pasture, vineyards, orchards and row crops for the last several decades. Surrounding irrigation is provided from irrigation wells and water from the Little Johns Creek managed by the Central San Joaquin Water Conservation District. Currently, there are one irrigation well and one domestic well on Parcel 1, as denoted on the Tentative Map. / �) Storm drainage flows from the homesite Parcel to the surrounding pasture on Parcel 2. STANDARD PUBLIC ENVIRONMENTAL RECORD SOURCES County and State environmental records were reviewed for sites which may have impacted the subject property. The databases accessed did not indicate a problem or potential problem with the subject site. Potential environmental impact from other facilities, whether commercial and/or residential within a one mile proximity to the subject site is unknown at this time. Review of San Joaquin County records and files revealed two sites on Gawne Road, south of the subject property which had Underground Fuel Storage Tanks (USTs). The Moresco Property at 16865 Gawne Road was issued a site completion letter on April 28, 2000 after fuel release mitigation. The second site referenced as the Lombardi Brothers at 16998 Gawne Road had a UST removed in the spring of 1988. Supporting documents for these two sites are found in Appendix B. The State of California GeoTracker Site List has only denoted one UST site, which is at the Collegeville gas station, three miles northwest of the property. There are no other Leaking Underground Fuel Tanks(LUFTs) or UST sites near the subject property. As referenced, the subject property has been owned by the Van Vuren family for the past 30 years and the prior owner and their operation is known. Since the operation and ownership of the subject property is well documented, previous property ownerships were not investigated. There are two primary sources of information which document and define past land use, although they are sometimes difficult to interpret. The first is the use of aerial photographs. Aerial photographs of the subject property in the 1970's from USDA Soil Maps illustrate the existing trees where the structures are located. The aerial photo documents an open area on the western border that was a brush storage area when Mr. Van Vuren purchased the property. 4 The second source of information can be found on USGS maps. A 1952 (Photo-revised 1968 and 1994)USGS quadrangle map for this area shows three structures in the northeast portion of the property that correspond with the residence, garage and barn on Parcel 1. There has been no photo revision of this USGS map since 1994. It also appears that an intermittent stream flowed through the property in the 1950s. INFORMATION FROM SITE RECONNAISSANCE AND INTERVIEWS The following information was obtained visually and/or through an interview with Mr. Henry 2' (Hank) Van Vuren on September 1, 2004: The subject property contains no underground storage tanks (USTs) and apparently never has. There is one empty Above ground Storage Tank (AST) that has no odor and one 55-gallon drum on stilts, which is also empty. 2 Chesney Consulting