| Explosives: | Ammunition, flares, fireworks, blasting caps, etc. |
| Gases: | Any gas under pressure, propane tanks, oxygen, helium, aerosol cans, butane lighters, etc. |
| Oxidizers: | Bleach, disinfectants, pool chemicals |
| Corrosives: | Hair bleach, chlorine in any form |
| Poison: | Corrosive cleaners, acids, batteries, preservatives, photographic chemicals |