atom. (5) Turnout gear The term turnout gear means protective clothing worn as a main source of protection for firefighters and emergency medical services personnel during firefighting and post-fire operations to minimize exposure to hazards that cause serious injuries and illnesses that may result from contact with thermal, physical, chemical, biological, or other workplace hazards. Turnout gear— (A) includes protective clothing designed to protect firefighters performing structural firefighting, proximity firefighting, wildland firefighting, and urban interface firefighting