Hazardous Products Regulations

Marginal note:Exclusions

• 7.6.1 (1) Any product that is classified in a category of the hazard class “Flammable Aerosols” need not be classified in any category of this hazard class.

• Marginal note:Categories

  (2) A flammable liquid is classified in a category of this hazard class in accordance with the following table:

  	Column 1	Column 2
  Item	Category	Criteria
  1	Flammable Liquids — Category 1	A liquid that has a flash point < 23°C and initial boiling point ≤ 35°C
  2	Flammable Liquids — Category 2	A liquid that has a flash point < 23°C and initial boiling point > 35°C
  3	Flammable Liquids — Category 3	A liquid that has a flash point ≥ 23°C and ≤ 60°C
  4	Flammable Liquids — Category 4	A liquid that has a flash point > 60°C and ≤ 93°C

• Marginal note:Determination of flash point — substance

  (3) In the case of a liquid that is a substance, the flash point must be determined by

  • (a) tests using an appropriate closed-cup method; or

  • (b) use of scientific literature that reports a value obtained from an appropriate closed-cup method.

• Marginal note:Determination of flash point — mixture

  (4) In the case of a liquid that is a mixture, the flash point must be determined by

  • (a) tests using an appropriate closed-cup method; or

  • (b) use of an applicable calculation method under conditions for which it has been validated according to generally accepted standards of good scientific practice at the time the validation was carried out.