The classes of dangerous goods carried are those defined in the twenty-first revised edition of the United Nations Recommendations on the Transport of Dangerous Goods (2019):
- Class 1: Explosives;
- Class 2: Gases;
- Class 3: Flammable liquids;
- Class 4: Flammable solids, substances liable to spontaneous combustion, substances which, on contact with water, emit flammable gases;
- Class 5: Oxidizing substances and organic peroxides;
- Class 6: Toxic and infectious substances;
- Class 7: Radioactive material;
- Class 8: Corrosive substances;
- Class 9: Miscellaneous dangerous substances and articles, including environmentally hazardous substances.