Posted in Government & Military ACT FAST stands for Agent Characteristics Toxicity – First Aid and Special Treatment (US DHS/FEMA) ACT FAST Share Pinterest Tweet Whatsapp Post navigation ACT MAST MATEACT ENS Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.