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<br />Exhibit <br /> <br />Jl -- Polychlorinated biphenyls (PCB's) <br /> <br />Behind the sidewalk in front of this project is a pole-top <br />transformer. P.G.& E. has advised that they don't know if it <br />contains PCB's (Telecons with Pete Griffith of P.G.& E.[4l5- <br />330-2290] 5/19 and 5/23/00). <br /> <br />Pole-top transforroErs are cylinder-shaped containers that <br />reduce voltage to the levels used by most residential¡ <br />industrial and commercial customers. We have inspected this <br />transformer from the ground¡ and it appeared in good <br />condition and not leaking; however, the only way to find out <br />if it contains PCB's is to have it tested by P.G.& E. They <br />will do so for a fee if requested. If PCBs are present, or if <br />the transformer leaks, P.G. & E. will clean up, take <br />appropriate measures to restore safe levels, and prevent <br />exposure to the public. PCB fluid looks like vegetable oil, <br />or, if it has been cont~minated by dirt or high heat, like <br />black motor oil. <br /> <br />Most experts agree that brief exposures to PCBs do not <br />generally present a serious health hazard. However, if the <br />transformers leak, PCBs remain in the environment where they <br />can be absorbed by plants and fish and work their way into <br />the food chain. After long periods of repeated exposures¡ <br />toxic levels may accumulate in our bodies, and can cause <br />chloracne (resembles juvenile acne, but is more difficult to <br />treat) in some people. In high temperatures such as during a <br />fire, PCBs can break do~m and form small amounts of <br />dibenzofurans, which may be more toxic than PCBs. <br /> <br />There does not appear to be any real immediate danger by the <br />presence of this transformer. However, in any residential <br />development with children, as there are here, sponsors must <br />request P.G.& E.(call 415-598-7204) to check the transformer. <br /> <br />Exhibit <br /> <br />Jl <br /> <br />