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The predominate wind direction through the region is to the east-southeast. West-northwest, or upgradient wind shed comes through the Altamont Pass and ultimately over agricultural production land. Although DDT was banned in 1972, its presence in San Joaquin Valley soils is an indication of its long half-life. It is beyond extremely unlikely there is any concentrations of DDT or its degradates in the property soils from farming operations that may have taken place on the property. Any minute residual pesticide concentrations are inconsequential. § 3.3 Description of all current on-site potential and/or known above ground and below ground sources of contamination identified at the project site are included in Section 3.2. No sources of current aboveground contamination were observed, other than the referenced non- hazardous items. § 3.4 Description of all past off-site potential and/or known above and below ground sources of contamination identified in the area of the project site that could impact the site include: Information conveyed by the ERS documents indicate no listings, with no likelihood of impact to the property from a distant contaminated site. The GeoTracker document illustrates no listings on the property or within 2,300 ft radius from the property. There are three sites within this radius, however, that have been "completed - case closed." There are no Leaking Underground Fuel Tanks (LUFT) on, or around the subject parcel. Agricultural spray drift affecting the property from the nearest agricultural production land is an extremely slight possibility, since agricultural production occurs two miles to the west and to the northwest. § 3.5 Descriptions of all current off-site potential and/or known above and below ground sources of contamination identified in the area of the project site include those referenced in Sections 3.2, 3.3, and 3.4 above. Any contaminated sites can be considered "past" off-site sources of contamination that are simultaneously "current" contaminated sources. § 4.0 EVALUATION OF PAST AND CURRENT SOURCES OF CONTAMINATION IDENTIFIED AT OR NEAR THE SITE AND RECOMMENDATIONS FOR FURTHER ACTION § 4.1 Evaluation of each potential and/or known source of contamination identified in the above Sections have been discussed in the respective Sections to facilitate the transfer of information to the reader. /'i_ ____ __. /x______11• VCLGJCLGy l_vlta"LC LCL;