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SESK: Stuff Everyone Should Know · sesk.info/cdl-hazmat-class-two-gases

What kind of hazardous material is Class 2?

Gases.

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  1. Flammable liquids
  2. Corrosives
  3. Gases ✔

Why: Class 2 is split into Division 2.1 flammable gases, 2.2 non-flammable gases and 2.3 poisonous or toxic gases.

Huh, didn't know that: Class 3 is flammable liquids and Class 8 is corrosives.

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References

Answer: Gases. Class 2 is split into Division 2.1 flammable gases, 2.2 non-flammable gases and 2.3 poisonous or toxic gases.

  1. California Commercial Driver Handbook (DMV) www.dmv.ca.gov/portal/file/california-commercial-driver-handbook-pdf
    2.1 Flammable Gases 2.2 Non-Flammable Gases 2.3 Poisonous/Toxic Gases
    Checked 2026-10-10.

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