This designated exclusion area contains the highest level of threat to life and health, such as toxic chemical releases, radiation, or explosive risks. Access is strictly limited to trained personnel wearing the highest level of personal protective equipment required for that specific hazard. It is the innermost circle of a three-zone incident control model.
Heard on the job
Nobody crosses into the hot zone without fully encapsulated suits and self-contained breathing apparatus.
Also heard as
- exclusion zone