Transportation of Dangerous Goods Regulations (SOR/2001-286)

2.10 Class 1, Explosives, has six divisions:

• (a) Class 1.1, mass explosion hazard;

• (b) Class 1.2, projection hazard but not a mass explosion hazard;

• (c) Class 1.3, fire hazard and either a minor blast hazard or a minor projection hazard or both but not a mass explosion hazard;

• (d) Class 1.4, no significant hazard beyond the package in the event of ignition or initiation during transport;

• (e) Class 1.5, very insensitive substances with a mass explosion hazard; and

• (f) Class 1.6, extremely insensitive articles with no mass explosion hazard.