Hazard Classes and Pictograms Flashcards

A substance that causes serious, irreversible eye damage (not just temporary irritation) requires which WHMIS pictogram?

Answer: Corrosion

Serious eye damage (eye damage Category 1) uses the corrosion pictogram because the injury is irreversible, while reversible eye irritation uses the exclamation mark.

Organic peroxides of Type B under WHMIS may require which combination of pictograms?

Answer: Both exploding bomb and flame

Type B organic peroxides pose both explosive and flammable risks, so they carry both the exploding bomb and flame pictograms.

Under WHMIS 2015, the corrosion pictogram applies to substances that:

Answer: Are corrosive to metals AND/OR cause severe skin burns or irreversible eye damage

The corrosion pictogram covers two distinct hazard categories: corrosive to metals, and skin/eye corrosion causing severe burns.

A commercially sold flammable spray paint (aerosol) in a workplace setting would carry which WHMIS pictogram?

Answer: Flame

Flammable aerosols are classified under the flammable aerosol hazard category and display the flame pictogram on their WHMIS label.

Self-reactive substances of Type A under WHMIS require which pictogram?

Answer: Exploding bomb only

Type A self-reactive substances are extremely reactive and display the exploding bomb pictogram due to their explosive potential.

Which statement about the environmental (aquatic toxicity) pictogram is accurate under WHMIS 2015?

Answer: It is voluntary under WHMIS and is not legally required

WHMIS 2015 does not require the environmental pictogram, though suppliers may voluntarily include it to communicate aquatic hazards.

A worker receives a drum labeled with both the skull and crossbones and the corrosion pictogram. This combination means:

Answer: The substance poses both acute toxicity and corrosive hazards simultaneously

Multiple pictograms on one label indicate multiple distinct hazards — a substance can be both acutely toxic and corrosive at the same time.