WHMIS Symbols 2026 With Meanings (Pictograms) [New Updated]

Which hazard class does not require a pictogram?

Flammable liquids - Category 4 Self-heating substances and mixtures (Category 1 and 2) Aerosols (Category 1 and 2) | Pyrophoric liquids (Category 1) | Chemicals under pressure (Category 1** and 2**) Oxidizing gases (Category 1) | Oxidizing solids (Category 1, 2 and 3)

Correct Answer:

Flammable liquids - Category 4

Explanation:

Correct answer: Flammable liquids - Category 4

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