- Explosives*
- Flammable gases
- Flammable aerosols
- Oxidizing gases
- Gases under pressure
- Flammable liquids
- Flammable solids
- Self-reactive substances and mixtures
- Pyrophoric liquids
- Pyrophoric solids
- Self-heating substances and mixtures
Note: WHMIS 2015 has not adopted the explosive hazard class as it’s covered by other legislation.
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