Confined spaces have the potential to be immediately dangerous to life and health due to hazardous atmospheres, the possibility of engulfment or entrapment, or other safety hazards. Examples of ...

If a confined space poses certain hazards, it could be deemed a "permit-required" confined space which would require the entrant to obtain a permit 48 hours before entering such a space. Specific ...

Confined spaces have the potential to be immediately dangerous to life and health due to hazardous atmospheres, the possibility of engulfment or entrapment, or other safety hazards. Examples of ...