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3:59
YouTube
Paul Cochrane
Polychlorinated Biphenyls (PCBs) in Building Materials
The U.S. Environmental Protection Agency (EPA) describes polychlorinated biphenyls, more commonly known as PCBs, as belonging to a broad family of man-made organic chemicals known as chlorinated hydrocarbons. PCBs have been identified as probable human carcinogens and may also cause a variety of non-cancer health effects. PCBs were domestically ...
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