hazard area(Any site or region in which there is a physical or chemical agent capable of causing harm to property, persons, animals, plants or other natural resources)
hazardous chemical export(Transporting substances capable of producing adverse health effects, fires or explosions to other countries or areas for the conduct of foreign trade)
hazardous substance(Any material that poses a threat to human health and/or the environment. Typical hazardous substances are toxic, corrosive, ignitable, explosive, or chemically reactive)