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Department of Transportation (DOT) Dangerous Goods Classifications

If you ship items by air, water, rail, public road, or "Private Vehicle" that qualify under any of the Department of Transportation (DOT) Dangerous Goods Classifications:

Call the Dangerous Goods Unit (DUG).

744-5385 or 744-7241

They will help you meet DOT requirements. If in doubt - CALL!

Hazardous Materials Specialists Butch Hiatt, Barbara Dobson, Barbara Gensman, or Fred Evans can answer any questions you may have.


  1. Explosives

  2. Gas

  3. Flammable Liquids (100F or less, closed cup)

  4. Other Flammable Substances

  5. Oxidizing Substances
    & Organic Peroxides
  1. Toxic (Poisonous) & Infectious Substances

  2. Radioactive Materials

  3. Corrosives

  4. Miscellaneous Dangerous Goods

Class 1 Explosives

Explosives 1.1AExplosives 1.1L Division 1.1 - Articles and substances having a mass explosion hazard
Explosives 1.2BExplosives 1.2L Division 1.2 - Articles and substances having a projection hazard, but not a mass explosion hazard
Explosives 1.3CExplosives 1.3L Division 1.3 - Articles and substances having a fire hazard, a minor blast hazard, and/or a minor projection hazard, but not a mass explosion hazard
1.4 Explosives B1.4 Explosives S Division 1.4 - Articles and substances presenting no significant hazard (explosion limited to package)
1.5 Blasting Agents D Division 1.5 - Very insensitive substances having a mass explosion hazard
1.6 Explosives N Division 1.6 - Extremely insensitive articles which do not have a mass explosion hazard

Class 2 Gas

Flammable Gas Division 2.1 - Flammable Gas
Non-Flammable Gas Division 2.2 - Non-flammable, non-toxic gas (under pressure, inert, etc.)
Poison Gas Division 2.3 - Toxic Gas

Class 3 Flammable Liquids (100 Degrees F or less closed cup)


Class 4 Other Flammable Substances

Flammable Solid Division 4.1 - Flammable Solid
Spontaneously Combustible Division 4.2 - Substances liable to spontaneous combustion
Dangerous When Wet Division 4.3 - Substances which, in contact with water, emit flammable gases

Class 5 Oxidizing Substances and Organic Peroxides

Oxidizer Division 5.1 - Oxidizers
Organic Peroxide Division 5.2 - Organic Peroxides

Class 6 Toxic (Poisonous) and Infectious Substances

PoisonHarmful: Stow Away From Foodstuffs Division 6.1 - Toxic Substances
Infectious Substances; Biological Material Division 6.2 - Infectious Substances

Class 7 Radioactive Material

Radioactive Division 7 - Radioactive Material

Class 8 Corrosives

Corrosive Division 8 - Corrosives

Class 9 Miscellaneous Dangerous Goods

Miscellaneous Dangerous Goods Magnetized material
Elevated temperature goods
Dry ice
Environmentally hazardous substances
Life-saving appliances
Engines, internal combustion
Polymeric beads
Battery-powered equipment or vehicle
Zinc Dithonite

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