What should you do if there's a need for fresh air during a chemical exposure incident?

When faced with a chemical exposure incident, the priority is to ensure personal safety and minimize inhalation of harmful substances. Moving to an open area is the most effective action in this scenario. Open air can help dilute airborne contaminants, reducing the risk of inhalation and allowing the person to breathe more freely. This action not only provides immediate relief but also can help prevent further exposure to the toxic environment.

Other choices, like closing all doors and windows, would restrict airflow and potentially trap harmful substances inside, increasing the danger. Staying in the same location would expose an individual to the continued effects of the chemicals present in the area. Re-entering a contaminated area poses an obvious risk, as it could lead to further exposure to hazardous materials. Thus, seeking an open area is the safest and most recommended action during a chemical exposure incident.