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Hazardous Products Regulations

Version of section 8.1 from 2015-02-11 to 2022-12-14:

Marginal note:Definitions

 The following definitions apply in this Subpart.

acute toxicant

acute toxicant means a mixture or substance that is liable to cause acute toxicity, or a mixture or substance that, upon contact with water, releases a gaseous substance that is liable to cause acute toxicity. (toxique aigu)

acute toxicity

acute toxicity refers to adverse effects occurring following

  • (a) oral or dermal administration of a single dose of a mixture or substance, or multiple doses given within 24 hours; or

  • (b) an inhalation exposure to a mixture or substance of four hours or of a duration that is converted to four hours in accordance with subsection 8.1.1(4). (toxicité aiguë)


dust means solid particles that are suspended in a gas, usually air. (poussières)


mist means liquid droplets that are suspended in the air. (brouillard)

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