Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents - Negative pressure, air purifying devices with full face mask. Specification Ingestion-build-260237 BS EN 50341-2-7 includes requirements

BS EN 50341-2-7 includes requirements for the design and construction of overhead lines equipped with covered conductors and aerial cables

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Contents of BS EN 61076-3-116:

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Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents - Negative pressure, air purifying devices with full face mask. Specification Ingestion-build-260237 BS EN 50341-2-7 includes requirements1 Scope This British Standard specifies requirements for negative pressure air purifying devices (APDs) with full face mask intended to be used during rescue, evacuation, escape, hazard containment and decontamination, and similar activities by emergency responders (fire, ambulance, police, and associated civilian agencies and workers) in areas contaminated by chemical, biological, radiological and nuclear (CBRN) agents. This British Standard contains