Table of Contents | Print This Page

Appendix I - WHMIS Classes and Hazard Symbols

  • ISBN: 978-1-4249-6996-8
  • Revised: August 2008
  • Content last reviewed: June 2009

This guideline is being updated to reflect changes that take effect July 1, 2016 as amendments to the WHMIS regulation, Regulation 860, come into force.

Class A

Class A Symbol - Compressed Gas

Compressed
Gas

Class B

Class B Symbol - Flammable and Combustible Material

Flammable
and
Combustible
Material

Class C

Class C Symbol - Oxidizing Material

Oxidizing
Material

Class D

Class D Symbol, Division 1 - Materials Causing Immediate and Serious Toxic Effects

1. Materials
Causing
Immediate
and Serious
Toxic Effects

Class D

Class D Symbol, Division 2 - Materials Causing Other Serious Toxic Effects

2. Materials
Causing
Other
Serious Toxic
Effects

Class D

Class D Symbol, Division 3 - Biohazardous Infectious Materials

3. Biohazardous
Infectious
Materials

Class E

Class E Symbol - Corrosive Material

Corrosive Material

Class F

Class F Symbol - Dangerously Reactive Material

Dangerously
Reactive
Material