The following are examples of hazardous materials, restricted matter, and perishable matter. These are not complete lists, but they provide an idea of the types of articles included in each category.
- Hazardous materials (DMM 601.10) include:
- Flammable liquids and solids, combustible liquids.
- Infectious substances, etiologic agents, clinical specimens, biological products, sharps, other used medical devices.
- Miscellaneous hazardous materials (e.g., dry ice, magnetized materials).
- ORM–D materials.
- Oxidizers, organic peroxides.
- Radioactive materials.
- Toxic substances (poisons).
- Restricted matter (DMM 601.11) includes:
- Abortive and contraceptive devices.
- Battery–powered devices.
- Building construction materials.
- Controlled substances and drug paraphernalia.
- Intoxicating liquors.
- Liquids and powders.
- Matter emitting obnoxious odors.
- Motor vehicle master keys.
- Nonhazardous liquids and powders.
- Sharp objects (knives, switchblades, stilettos).
- Odd–shaped items in letter–size envelopes.
- Perishable matter (DMM 601.9) includes:
- Dead animals or parts of animals.
- Live animals.
- Meat and meat products.
- Plants and plant products.