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r - t 1 The site is bordered to the north and to the south by farm land, dairies and very low density single family homes and ranchettes. There are no significant commercial and industrial facilities that The nei hborhood area has existed for at least seven decades. exist around the subject property. g INFORMATION FROM SITE RECONNAISSANCE AND INTERVIEWS The following information was obtained visually or through an interview with Mr. Schimmel: The property contains no underground or above ground storage tanks (USTs/ASTs) and never has for as long as Mr. Schimmel has owned the property, which has been 12 years. Ms. Rose Kochevar was the previous owner. Length of ownership by this person is unknown and appears to be personal ownership. No pesticides have been applied to the property for more than five years; therefore residual concentrations from modern agrichemicals are extremely unlikely. Mr. Schimmel has stated that no agrichemical mixing has taken place on the property since he has owned it. It is a possibility that minute volumes of agrichemicals sprayed on almond orchards found to the northeast and a walnut orchard to the west may drift onto the subject property, if agrichemicals are used on this acreage. The subject site can be considered in the predominant cross gradient and somewhat downgradient windshed to this adjacent acreage. San Joaquin County Mosquito Abatement District sprays for mosquitos in the surrounding open pasture land. The entire acreage was walked and surveyed for evidence which may suggest surface and/or subsurface contamination: A 55-gallon drum was observed next to a wind machine located in the center of the subject property, which did not appear to be leaking. Odor from this drum indicates that there is probably a mixture of water and diesel inside to approximately one-quarter of the t drum volume. No evidence of solid waste disposal was noted, other than brush, and trash on the north side of the barn. The site was carefully inspected for environmental concerns originating from discolored, disturbed/subsided soils, stressed vegetation or unusual/noxious odors emanating from the soil. None of these envirornnental indicators were present. As evidenced by the attached photographs, no hazardous materials such as agrichemicals are stored on-site. There was an observation of a used oil spill on the concrete floor within the on-site barn. An important concern associated with the environmental assessment of open properties is the issue of buried pesticide containers or discarded items. It was an occasional practice to dispose of containers or discarded items by this method many years ago. To detect these types of underground artifacts is difficult even with the use of ground penetrating radar or other types of non-intrusive, subsurface analyses. The land surface did not exhibit visual indicators for buried containers such as surfacing of product residue, soil mounding, or soil depressions. It is usually only after a contaminant plume has impacted a domestic well that buried pesticide containers are discovered. If buried items are discovered during underground utility placements, etc. on the new parcels, the Environmental Health Department must be contacted immediately. Page -2- ChesixConsulting