BS 8468-6.2:2020

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 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.

This British Standard is applicable to Type CBRN1 or Type CBRN3 devices, according to their intended use.

Type CBRN1 devices provide protection against hazardous particulate matter and gaseous chemical agent permeation and penetration.

Type CBRN3 devices provide protection against hazardous particulate matter and gaseous and liquid chemical agent permeation and penetration.

Requirements for methods of and criteria for decontamination of respiratory protective devices (RPD) are not specified in this British Standard.

NOTE Compressed air line breathing apparatus conforming to this British Standard might be suitable for use in situations other than those involving the specific CBRN agents identified in this British Standard.