Normally a hazmat suit is “an overall garment worn to protect people from hazardous materials or substances, including chemicals, biological agents, or radioactive materials.” More generally, hazmat suits may provide
Mass decontamination (abbreviated mass decon) is the decontamination of large numbers of people, in the event of industrial, accidental, or intentional contamination by toxic, infective, caustic, polluted, or otherwise unhealthful or damaging