Frequent Questions

What are PCBs and what effects might they have on health and the environment?

PCBs belong to a broad family of man-made organic chemicals known as chlorinated hydrocarbons. PCBs were domestically manufactured from 1929 until manufacturing was banned in 1979. They have a range of toxicity and vary in consistency from thin, light-colored liquids to yellow or black waxy solids. Due to their non-flammability, chemical stability, high boiling point and electrical insulating properties, PCBs were used in hundreds of industrial and commercial applications including:

  • Electrical, heat transfer and hydraulic equipment
  • Plasticizers in paints, plastics and rubber products
  • Pigments, dyes and carbonless copy paper
  • Other industrial applications

See: Polychlorinated Biphenyls (PCBs)

Information about health:

Additional information:

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