Government of Canada / Gouvernement du Canada
Symbol of the Government of Canada


Hazardous Products Regulations

Version of section 7.17.1 from 2015-02-11 to 2022-12-14:

Marginal note:Category

 A combustible dust is classified in the category of this hazard class in accordance with the following table:


Column 1Column 2
1Combustible Dusts — Category 1

A mixture or substance that

  • (a) has been shown to, upon ignition, catch fire or explode when dispersed in air or an other oxidizing medium; or

  • (b) is classified in a category of the hazard class “Flammable Solids” and 5.0% or more of its composition by weight is a flammable solid and has a particle size ≤ 500 µm

Date modified: