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Canada Road & Rail Transport - Class 4

Substances are included in Class 4 if they have the following characteristics:

  • Are flammable solids
  • Are substances liable to spontaneous combustion or substances that on contact with water emit flammable gases (water-reactive substances)
  • Meet the criteria for inclusion in one of the divisions and packing groups of Class 4

Familiar Class 4 dangerous goods include sulphur, matches, alkali metals, and some metal powders.

To learn more about Transporting Dangerous Goods in Canada visit our Transporting Dangerous Good by Road & Rail Online Training web page.

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