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Polychlorinated Biphenyl (PCBs)

Chemicals made up of as many as 209 chlorinated compounds that do not occur naturally. They can either be oily liquids or waxy solids that are odorless and range from colorless to yellow in color. These chemicals were used in hundreds of industrial and commercial applications including electrical, heat transfer, and hydraulic equipment; as plasticizers in paints, plastics, and rubber products; in pigments, dyes, and carbonless copy paper; and many other industrial applications. PCBs are toxic and have been banned for use in the U.S. since 1979.

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This effort is supported by funding from the U.S. Centers for Disease Control and Prevention Environmental Public Health Tracking Program, Cooperative Agreement Number 5U38EH000619-02. The contents of this Website are solely the responsibility of the authors and do not necessarily represent the official views of the Centers for Disease Control and Prevention.