For a Level III incident, evacuation is expected to be which scale?

• A. Localized evacuation
• B. Large scale evacuation
• C. No evacuation
• D. Shelter-in-place only

Answer: (B)

Level III incidents signal a hazard that could affect a large geographic area, so protective actions are taken on a broad scale. Evacuating people from the affected zone reduces exposure much more effectively than keeping everyone in place when the release or plume could reach many neighborhoods. Preparedness for this level includes coordinating evacuation routes, setting up shelters outside the danger area, and communicating clearly with the public to move people away from the threat. Doing nothing or relying on sheltering in place only would leave far more people at risk and wouldn’t address the wide area that could be affected. That’s why large-scale evacuation is the appropriate action for a Level III incident.