| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| IDLH concentration | Labor | A maximum airborne concentration of a chemical from which, in the event of respirator failure, a person could escape within 30 minutes without any escape-impairing symptoms or any irreversible health effects. Source: European Union. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
