Contains

• chlorofluorocarbon

  A fluorocarbon with chlorine; formerly used as a refrigerant and as a propellant...

• halon

  A compound in which the hydrogen atoms of a hydrocarbon have been replaced by bromine and...

• nitrogen oxide

  Any of several oxides of nitrogen formed by the action of nitric acid on oxidizable...

• dichlorodiphenyltrichloroethane

  An insecticide that is also toxic to animals and humans; banned...

• sulfur dioxide

  A colorless toxic gas (SO2) that occurs in the gases from volcanoes; used in many...