Hazardous Products Regulations

Marginal note:Exclusions — aerosols

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

• Marginal note:Exclusions — chemicals under pressure

  (2) Any product that is classified in a category of the hazard class “Chemicals Under Pressure” must not be classified in any category of this hazard class.

• Marginal note:Categories

  (3) A gas under pressure is classified in a category of this hazard class in accordance with the following table:

  	Column 1	Column 2
  Item	Category	Criteria
  1	Gases Under Pressure — Compressed Gas	A gas that when packaged under pressure is entirely gaseous at -50°C, including all gases with a critical temperature ≤ -50°C
  2	Gases Under Pressure — Liquefied Gas	A gas that when packaged under pressure is partially liquid at temperatures > -50°C
  3	Gases Under Pressure — Refrigerated Liquefied Gas	A gas that when packaged is partially liquid because of its low temperature
  4	Gases Under Pressure — Dissolved Gas	A gas that when packaged under pressure is dissolved in a liquid phase solvent