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Environmental Hazards

This material is classified as hazardous and banned in 1977 under the Toxic Substances Control Act (TSCA) of 1976. Which of the following materials could be found in building transformers, fluorescent light transformers, paints, coatings, and plastic or rubber products manufactured before such regulation was enacted?
A, Vermiculite
B. Asbestos
C. Radon
D. Polychlorinated Biphenyls
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