What are the WHMIS symbols?
Class A - Compressed Gas
• Contents under high pressure.
• Cylinder may explode or burst when heated, dropped or damaged.
Class B - Flammable and Combustible Material
• May catch fire when exposed to heat, spark or flame.
• May burst into flames.
Class C - Oxidizing Material
• May cause fire or explosion when in contact with wood, fuels or other combustible material.
Class D, Division 1 - Poisonous and Infectious Material: Immediate and serious toxic effects
• Poisonous substance.
• A single exposure may be fatal or cause serious or permanent damage to health.
Class D, Division 2 - Poisonous and Infectious Material: Other toxic effects
• Poisonous substance.
• May cause irritation.
• Repeated exposure may cause cancer, birth defects, or other permanent damage.
Class D, Division 3 - Poisonous and Infectious Material: Biohazardous infectious materials
• May cause disease or serious illness.
• Drastic exposures may result in death.
Class E - Corrosive Material
• Can cause burns to eyes, skin or respiratory system.
Class F - Dangerously Reactive Material
• May react violently causing explosion, fire or release of toxic gases, when exposed to light, heat, vibration or extreme temperatures.