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TUSO PROPERTY Page 4 WKA No. 5475.02 L June 2, 2003 j We contacted Cary Wages, with ChevronTexaco, regarding the pipeline. Mr. Wages explained to us that they own an 18-inch pipeline within the pipeline right-of-way. Mr. Wages informed us that the pipe supplies crude oil to the refinery in Martinez, operating at about 500 lbs PSI. L. Neighborhood distribution overhead electrical powerlines (12kV) are located along the eastern Lportion of the property. We observed two pole-mounted transformers on the northeastern portion , of the subject property. We observed no staining or signs of leakage beneath these transformers 0 2�G/•�� during our field reconnaissance. L Overhead electrical powerlines are located within an easement on the southeastern portion of the IL. subject property. The overhead conductors are mounted on steel transmission towers and are minimally powered at 115 kV. No electrical transformers, substations or other equipment was observed within the electrical easement(s) on the subject property. Concerning electro-magnetic fields(EMFs)on the subject property, we have previously contacted a representative of an owner of one of the overhead lines, Lou Norton with Pacific Gas and Electric Company(PG&E). Mr.Norton indicated that no conclusive evidence has been generated to date yl Lshowing adverse health effects due to exposure to EMFs from overhead electric lines. He reported, L however,that this subject is a topic of intense research currently being performed by, among others, the Electric Power Research Institute. The most recent press coverage that we are aware of on this subject was reported July 3, 1997 in the Sacramento Bee. The Bee cited an eight-year, five-million Ldollar study coordinated by the National Cancer Institute(NCI)which was the largest attempt in the United States to investigate whether exposure to EMFs from powerlines and other everyday sources Lcan cause or promote childhood leukemia. The Bee reported that the study"tips the scale"in that debate toward the conclusion that powerline EMFs "are not a major, and probably not even a minor, component to the cause of cancer,"according to the head of NCI's outside advisory V committee. Mr. Norton indicated PG&E's position is that"prudent avoidance"should be implemented when one believes that EMFs are a threat to human health, and is contemplating 4 construction or activities within a close proximity to high-voltage electrical transmission lines. L 11 NMA, ` WALLACE•KUHL E A550CIATES INC.