What is the primary concern during a Priority 2 evacuation?

The primary concern during a Priority 2 evacuation is action within 4 hours. This classification indicates a scenario where there is a need to evacuate individuals who are injured or in a critical state but not in an immediate life-threatening circumstance that requires rapid transport. The timeline of 4 hours is crucial because it provides a framework for medical staff and evacuation teams to stabilize patients adequately and prepare them for transport.

In contrast, the other options reflect more urgent situations. Immediate action typically corresponds to Priority 1 evacuations, where the situation is life-threatening, requiring immediate intervention. Action within 1 hour signifies a higher priority urgency and suggests critical need for rapid response, aligning with the most severe evacuations. Urgent surgical intervention pertains to specific medical situations and does not directly connect with the evacuation priorities but implies an immediate medical necessity that influences the evacuation decision framework.