Lesson 1,
Topic 1
In Progress
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Class 2 – Gases
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- Products or substances that are transported under pressure or maintained at a low enough temperature to keep them in a liquid form
- Gases may be liquefied, dissolved or deeply refrigerated
- May be a mixture of gases or a mixture of gases with one or more vapours of substances included in other classes
- Articles charged with a gas
- Aerosols
- Class 2 is divided into 3 divisions:
o 2.1 Flammable Gas – Gases that will burn and are easily ignited in a range set out by TDGR 2.14 (a)
o 2.2 Non-Flammable, Non-Toxic Gas – Gases that pose a danger because they are compressed, are asphyxiants, are oxidizing or do not meet the requirements of the other divisions
o 2.3 Toxic Gas – Gases that are known or presumed to be toxic or corrosive to humans - Aerosols are also transported as gases. Please review the definition of Aerosol container in TDGR 1.4 (Definitions)