Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents - Constant flow compressed airline equipment. Specification Ingestion-build-133579 and installers of sound systems

and installers of sound systems

unbound road bases or sub-bases or foundations

This document specifies requirements and describes test methods for features of the component relevant only for its use in fire extinguishing installations

5 mg/l in a 100 ml aliquot portion of the undiluted sample

If necessary

Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents - Constant flow compressed airline equipment. Specification Ingestion-build-133579 and installers of sound systems1 Scope 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,