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r���The predominate wind direction through the region is to the east-southeast. West-northwest, <br /> or upgradient wind shed comes through the Altamont Pass and over agricultural production <br /> land. <br /> Although the pesticide DDT was banned in 1972, its presence in San Joaquin Valley soils is <br /> an indication of its long half-life. It is extremely unlikely there are any concentrations of <br /> DDT or its degradates in the property soils from farming operations that may have taken <br /> place on the property. Any minute residual pesticide concentrations are inconsequential. <br /> § 3.3 Description of all current on-site potential and/or known above ground and below ground <br /> sources of contamination identified at the project site are included in Section 3.2. No <br /> sources of current aboveground contamination were observed, other than the referenced non- <br /> hazardous items. <br /> § 3.4 Description of all past off-site potential and/or known above and below ground sources of <br /> contamination identified in the area of the project site that could impact the site include: <br /> Information conveyed by the ERS documents indicate listings with a highly unlikely impact <br /> to the property from a listed site. The GeoTracker document illustrates listings within a one- <br /> half mile radius from the property that are downgradient with respect to directional <br /> groundwater flow. There are no Leaking Underground Fuel Tanks (LUFT) on, or adjacent <br /> to the subject parcel. <br /> Agricultural spray drift affecting the property from the nearest agricultural production land is <br /> an extremely slight possibility, since agricultural production occurs one-half mile to the <br /> west. <br /> §3.5 Descriptions of all current off-site potential and/or known above and below ground sources <br /> of contamination identified in the area of the project site include those referenced in <br /> Sections 3.2, 3.3, and 3.4 above. Any contaminated sites can be considered"past" off-site <br /> sources of contamination that are simultaneously"current"contaminated sources. <br /> § 4.0 EVALUATION OF PAST AND CURRENT SOURCES OF <br /> CONTAMINATION IDENTIFIED AT OR NEAR THE SITE AND <br /> RECOMMENDATIONS FOR FURTHER ACTION <br /> § 4.1 Evaluation of each potential and/or known source of contamination identified in the above <br /> Sections have been discussed in the respective Sections to facilitate the transfer of <br /> information to the reader. <br /> -5- <br /> Chesney Consulting <br />