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F <br /> l transformers exist to the south of the metal shop building. The transformers appear to <br /> new. It is unknown if these transformers contains polychloride biphenyls (PCBs).indication was noted of external oil leakage, if there was a leak or explosion, it would be <br /> ility of the transformer owner to mitigate environmental contamination. <br /> /V. APPLIED AGRICULTURAL PESTICIDE DOCUMENTATION <br /> Although DDT was banned in 1972, its presence in San Joaquin Valley soils is indicative of its long <br /> half-life of 15.6 years. Consequently, there may be extremely small concentrations of DDT, and its <br /> degradates in the subject property soils. <br /> The agrichemicals, other than fertilizers, applied to the subject property are not mixed on-site. <br /> Pesticides are typically flown on the crops and therefore mixed at the landing strip. There is a <br /> fertilizer nurse tank near the farm labor camp building with a small amount of material in the tank. <br /> Environmental Fate Data for this material used on the property was obtained from the U.C. Davis <br /> and Oregon State University Extoxnet System. The Fate Data indicates the applied agrichemicals <br /> have comparatively short half-lives. <br /> The following chart summarizes the available Environmental Fate Data for that has been applied <br /> to the subject property. Noted times of duration are maximum values observed. The Fate Data is <br /> highly specific for various environmental conditions, and is normally expressed as half-lives in <br /> terms of days. <br /> I <br /> Page -5- <br /> Chesney Consulting <br />