How should bystanders be protected during an OC deployment?

• A. Establish a safety perimeter, keep non-involved persons at a safe distance downwind, and use barriers as needed
• B. Instruct bystanders to approach for safety
• C. Run toward the scene to witness the deployment
• D. Do nothing and let events unfold

Answer: (A)

Protecting bystanders during an OC deployment centers on creating and maintaining a controlled safety zone around the scene. Establish a generous safety perimeter, keep non-involved persons at a safe distance and downwind, and use barriers to enforce the boundary as needed. This setup reduces the chance that OC spray, vapor, or irritants reach bystanders and gives responders space to manage the situation safely. The downwind consideration is important because OC particles and vapor can drift with air currents, so positioning barriers and keeping people out of the drift path minimizes exposure. Approaches that invite bystanders to approach, rush toward the scene, or do nothing do not reduce risk and can increase exposure or complicate containment.