Step 1 of the eight-step HazMat incident management process emphasizes which of the following actions?

• A. Site management and control: Assume command, isolate people; establish isolation perimeter and hazard control zones
• B. Approach and positioning
• C. Staging area
• D. Hazard control zones

Answer: (A)

Securing the scene and establishing command are the critical first actions. When you assume command, you create a single, accountable leadership point guiding all response activities, preventing chaotic, conflicting efforts. Establishing an isolation perimeter protects the public and nonessential personnel by keeping them out of the contaminated area. Defining hazard control zones around the incident sets clear boundaries for where responders can operate, where contamination could be present, and how decontamination and access will flow. This early boundary work makes it possible to approach the scene safely, bring in resources in an organized way, and progress to subsequent steps with a solid, controlled foundation.