What is a crucial consideration during the overhaul phase of firefighting?

During the overhaul phase of firefighting, monitoring air quality and the use of personal protective equipment (PPE) are crucial considerations. After the initial fire suppression efforts, the overhaul phase involves searching for hidden embers, ensuring that the fire is completely extinguished, and preventing rekindling. During this time, conditions may still be hazardous due to smoke, toxic gases, or structural instability.

By monitoring air quality, firefighters can ensure they are not exposed to dangerous contaminants that can cause respiratory issues. Additionally, ensuring the use of appropriate PPE protects them from heat, smoke, and any potentially harmful substances released during or after the fire. This focus on safety and air quality is essential to protect the firefighters' health and maintain operational effectiveness.

The other choices, while important in their own contexts, do not specifically address the critical safety needs of the overhaul phase as directly as monitoring air quality and the use of PPE does. Evacuating the area may have already been accomplished, while salvage operations typically follow complete extinguishment and assessment of remaining hazards. Limiting personnel, while promoting safety, could hinder effective monitoring and thorough overhaul if too few firefighters are available to properly check for remaining hotspots or hazards.