What is a key ventilation-related precaution when OC deployment occurs in enclosed spaces?

• A. Avoid any ventilation to preserve scent.
• B. Ventilate and monitor for adverse effects; do not use OC unless necessary.
• C. Ensure ventilation and monitor for adverse effects; use only if necessary.
• D. Proceed as normal since enclosed spaces are safe.

Answer: (C)

In enclosed spaces, the main safety step after OC deployment is to ventilate the area and monitor anyone exposed, using OC only if it’s truly necessary. OC forms an aerosol that can linger and spread in confined air, so increasing air exchange helps dilute and remove the irritant, reducing exposure for bystanders and responders. While monitoring, watch for signs like eye irritation, coughing, breathing trouble, dizziness, or headache, and be ready to evacuate or seek medical help if symptoms worsen. Using OC only when necessary minimizes unnecessary exposure in a space where air movement is limited.