Benzene, a volatile organic chemical, is a clear, colorless aromatic liquid. It is highly flammable. It is formed through natural processes, such as volcanic activity and forest fires. It is also formed in industrial processes. Benzene is also found in the air emissions from burning coal and oil, gasoline service stations, and motor vehicle exhaust.
Learn about benzene's health effects, drinking water regulations, etc.:
EPA regulates benzene as a "mobile source air toxic." See: Regulations to Reduce Mobile Source Pollution
For more information on benzene and its health effects, see: