Table 1.

Examples of topics included in the questionnaire.

Category	Examples of questions
Personal protective equipment	Type of SCBAs
	Use of SCBAs during knockdown
	Use of SCBAs during overhaul
	Turnout gear
	Treatment of turnout gear with water repellents
Techniques and equipment	Ventilating fans
	Firefighting foams
Handling and cleaning of contaminated PPE and other gear	Washing of turnout gear
	Washing of other gear
	Transport of used gear and clothing
Live fire training	Regularity of live fire training
	Flammable materials used during live fire training
Work organization	Chemical diving
Vehicles and exhaust	Number of petrol-driven cars
	Number of diesel-driven cars
	Exhaust removal systems
	Open air passage between engine room and sleeping/living quarters

SCBAs = self-contained breathing apparatuses.