Area immediately surrounding a hazardous material incident which extends far enough to protect personnel outside the zone from contamination.

Protective Action Zone is the range instantly neighboring and downwind from the underlying seclusion zone; this zone is in inevitable risk of being defiled via airborne vapors inside 30 minutes of material discharge. Physically securing and keeping up the crisis scene by building up borders and defensive activity zones and denying section to unapproved people.

C: plants and animals

C. chemical changeshope i : )