Explosives that have a mass explosion hazard

Explosives that have a projection hazard but not a mass explosion hazard.

Explosives that have a fire hazard and either a minor blast or minor projection hazard or both, but not a mass explosion hazard.

Explosives that present a minor blast hazard.

Very insensitive explosives that have a mass explosion hazard.

Extremely insensitive articles that do not have a mass explosion hazard.

Burn readily in air and are in a gaseous state at 68°F (e.g., propane and spray paints)

Non-flammable and non-toxic gases that may include liquified gases or cryogenic liquids

Gas that is poisonous by inhalation

Liquid that has a flashpoint of not more than 140° F (60° C), or any material in a liquid phase that has a flashpoint at or above 100° F (38° C).

Solid materials that are likely to cause fires through friction or retained heat from manufacturing or processing, and burns so vigorously that creates a serious transportation hazard.

A liquid or solid pyrophoric material that even in small amounts and without an external ignition source can ignite within 5 minutes after coming in contact with air

A material that, by contact with water, is likely to become spontaneously flammable or to give off flammable or toxic gas at a rate greater than 1 liter per kilogram of the material per hour.

A material that may cause or enhance the combustion of other materials.

Any organic compound that contains oxygen in the bivalent structure

Includes toxic substances, poisons, and irritating material.

Includes infectious substances.

Any material containing radionuclides

any liquid or solid that causes visible destruction or irreversible alteration in human skin tissue at the site of contact, or a liquid that has a severe corrosion rate on steel

a substance or article that presents a hazard during transportation, but does not meet the definition of any other hazard class.