This British Standard specifies requirements for compressed air line breathing apparatus with constant airflow as a respiratory protective device intended to be used during rescue, evacuation,escape, hazard containment and decontamination, and similar activities by emergency first responders or first receivers (e.g. fire, ambulance, police, and associated civilian agencies and workers in areas containing and contaminated by chemical, biological, radiological and nuclear (CBRN) agents.
This British Standard contains requirements for testing and marking.
