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How has PCB become a pollutant?

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The chemical has entered the environment largely as a pollutant from equipment leaks, the weathering of many materials that contain PCB, and through interaction with food products. PCBs are not readily biodegradable.

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Get more facts and information about polychlorinated biphenyl . Or, view the full encyclopedia entry from The Columbia Encyclopedia, Sixth Edition.

Similar questions: What happened to make PCB a pollutant? How does PCB pollute the earth? [ Hide these questions ]

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