| Code | Display | Comments |
| AGG | Aggressive | | A danger that can be associated with certain living subjects, including humans. |
| BHZ | Biohazard | | Material contains microorganisms that are an environmental hazard. Must be handled with special care. |
| BIO | Biological | | The dangers associated with normal biological materials. I.e. potential risk of unknown infections. Routine biological materials from living subjects. |
| COR | Corrosive | | Material is corrosive and may cause severe injury to skin, mucous membranes and eyes. Avoid any unprotected contact. |
| ESC | Escape Risk | | The entity is at risk for escaping from containment or control. |
| EXP | Explosive | | Material is an explosive mixture. Keep away from fire, sparks, and heat. |
| IFL | MaterialDangerInflammable | | Material is highly inflammable and in certain mixtures (with air) may lead to explosions. Keep away from fire, sparks and excessive heat. |
| INF | MaterialDangerInfectious | | Material known to be infectious with human pathogenic microorganisms. Those who handle this material must take precautions for their protection. |
| INJ | Injury Hazard | | Material is solid and sharp (e.g. cannulas.) Dispose in hard container. |
| POI | Poison | | Material is poisonous to humans and/or animals. Special care must be taken to avoid incorporation, even of small amounts. |
| RAD | Radioactive | | Material is a source for ionizing radiation and must be handled with special care to avoid injury of those who handle it and to avoid environmental hazards. |
