The term evacuate means:

• A. Moving everyone from a threatened area to a safer area
• B. Allowing only first responders into the affected area
• C. Keeping everyone not directly involved away from the affected area
• D. Having people remain inside a building

Answer: (A)

Evacuate means moving people from a threatened area to a safer area. In hazardous materials incidents, evacuating is used when there’s a risk of exposure to toxic substances or other hazards, so the goal is to remove everyone who could be affected from the danger zone and guide them to a location with lower risk. This is different from sheltering-in-place, which would mean staying inside a building to avoid exposure, or from keeping everyone not directly involved away from the area, which describes setting up a cordon or exclusion zone rather than physically moving people. It’s also not simply about restricting access to first responders, which is about control of who can enter rather than moving the public to safety.