BS 8468-6.1:2020 pdf download
BS 8468-6.1:2020 pdf download.Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents Part 6.1: Positive-pressure compressed air line equipment —Specification.
BS 8468-6.1 specifies requirements for compressed air line breathing apparatus with positive pressure demand valve for use with a full face mask as a respirnory protective device intended to be used during firefighting. rescue, evacuation, escape, hazard containment and decontamination, and similar activities by emergency first responders (e.g. fire, ambulance, police. and assoca.uted civilian agencies and workers) in areas containing and contaminated by chemical, bioloWcal. radiological and nudear (CR RN) agenLs
This British Standard is applicable to Type CBRN3 devices, which provide an enhanced level of resistance to liquid and gaseous chemical agent permeation and penetration.
This British Standard contains requirements for testing and marking.
Requirements for methods of and criteria for decontamination of respiratory protective devices (RPD) are not specified in this British Standard.
NOTE Compressed oar fine breathing apparatus conforming so this Bratssh Standard might be suitable for use an ituation other than (hose anwitvin.q the specific CRRN epents ideviufied in the standard.
2 Normative references
The following documents are reierred to in the text in such a way that some or all of their content constitutes provisions of this document1. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (Including any amendments) applies.
HS 8468-L Respiratory protective devices for use against chemical, biologicaL radiological and nuclear (CBRN) agents – Part 1: Positive pressure, self-contained, open-circuit breathing apparatus – Specification
BS 8468-2 Respiratory protective devices for use against chemical, biologicaL radiological and nuclear (CRRN) agents – Parr 2: Negative pressure, air purifying devices with fuilface mask – Specification
B5fi11. Respiratory protective devices for use against chemical, biologicaL radiological and nuclear (CBRN) agents – Part 4: Powered air purifying respirators – Specification
BS B46B-6.l Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents – Part 62: Constant flow compressed air line equipment – Specification
BS B468-8:2020, Respiratory protective devices for use against chemical, biological, radiological and nuclear (CRRN) agents – Part 8: Test methods
BS EN 137. Respiratory protective devices – Self-contained open-circuit compressed air breathing apparatus with full lace musk – Requirements, resting and marking
IfS EN 13274-1:2001. Respiratory protective devices – Methods of test – Part 1: Deterrninai ion qr Inward leakage and total inward leakage
IfS EN 14593-1, Respiratory protective devices – Compressed air line breathing devices with demand valve – Part 1: Devices with a full mask – Requirements testing and marking
3.3 radiological agent
substance that emits ionizing radiation and that could be disseminated to cause harm
3.4 nuclear agent
radioactive matter resulting from a nuclear explosion or accidental release from a nuclear facility 3.5 emergency breathing facility (EBE)
facility, as specified by the manufacturer, which comes into operation when the normally operating respiratory protective device is not functioning and provides an adequate level of protection fora period to enable the device wearer to exit the work area, unassisted, to a place of safety
3.6 decontamination
physical and/or chemical process of removing as much contamination as possible from people or equipment
3.7 rapid intervention team (RIT) fitting
system that allows emergency replemshment of breathing air to the self-contained breathing apparatus (SCHA) of disabled or entrapped fire or emergency personnel
4 Requirements
4.1 General
The apparatus shall be positive pressure equipment conforming to:
a) BSEN145931;
b) the Inward leakage specified In 4.4; and
c) the chemical agent permeation resistance and penetration specified in £5.
Where the apparatus has been designed to he used at temperatures outside those specified in uS EN 14593.1, the manufacturer shall have tested and marked the product appropriately.
