Dangerous goods

The classes of dangerous goods carried by rail are those defined by the UN Recommendations on the Transport of Dangerous Goods: a) Class 1: Explosives b) Class 2: Gases c) Class 3: Flammable liquids d) Class 4: Flammable solids; substances liable to spontaneous combustion; substances which, on contact with water, emit flammable gases e) Class 5: Oxidising substances and organic peroxides f) Class 6: Toxic and infectious substances g) Class 7: Radioactive material h) Class 8: Corrosive substances i) Class 9: Miscellaneous dangerous substances and articles, including environmentally hazardous substances