Who needs TDG Training?

According to the TDG Regulations, if you are handling, preparing for transport or carrying dangerous goods you must be trained and certified on TDG. It would be up to your employer to determine what type and level of training you will need for your position. We provide training and testing for over 70,000 people; companies, organizations and associations. Feel free to ask us any questions about you have about TDG. Call toll free, email or you can Live Chat with us instantly when one of us is available and we’ll answer your questions right away.

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$24.99 Corporate Rate

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CLASS 2: Gases

CLASS 2.1: Flammable Gas

Flammable gases that, at 20°C and at a standard pressure of 101.3 kPa, either:

  1. ignite when in a mixture of 13 per cent or less by volume with air
  2. have a flammable range with air of at least 12 percentage points, regardless of the lower flammable limit.

Example: Propane.

CLASS 2.2: Non-flammable, non-toxic gas.

Non-flammable non-toxic gases comprise gases that are transported at a pressure not less than 20kPa at 20°C, or as refrigerated liquids, and that:

  1. are asphyxiant, that is which dilute or replace the oxygen normally in the atmosphere
  2. are oxidising, that is which may, generally by providing oxygen, cause or contribute to the combustion of other material more than air does
  3. do not come under the other hazard divisions.

Examples: Propane, nitrogen, helium and compressed air.

CLASS 2.3: Toxic Gas

Toxic gases comprise gases that:

  1. are known to be so toxic or corrosive to humans as to pose a hazard to health
  2. are presumed to be toxic or corrosive to humans because they have an LC50 value equal to or less than 5,000 mL/m3 (ppm).

Examples: Chlorine, phosgene gas, hydrogen cyanide, ammonia.


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