BS 8468-5:2020 pdf free.Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents.Combined and multi-functional apparatus一Specification.
BS 8468-5 This British Standard specifies requirements for dual-mode apparatus (combined or multifunctional),combining two of the types of apparatus specified in BS 8468-1, BS 8468-2, BS 8468-4, BS 8468-6.1 or BS 8468-6.2, intended to be used during rescue, evacuation, escape, hazard containment and decontamination, and similar activities by emergency first responders (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.The following documents are referred to in the text in such a way that some or all of their content constitutes provisions of this document). For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.BS 8468-1 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 (CBRN) agents – Part 2: Negative pressure, air purifying devices with full face mask – Specification BS 8468-4, Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents – Part 4: Powered air purifying respirators – Specification BS 8468-6.1 Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents – Part 6.1: Positive-pressure compressed air line equipment – Specification BS 8468-6.2, Respiratory protective devices for use against chemical, biological, radiological and
nuclear (CBRN) agents – Part 6.2: Constant flow compressed air line equipment – Specification BS 8468-8:2020, Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents – Part 8: Test methods.3.1 chemical agent toxic chemical that can be disseminated to cause harm NOTE Chemical agents include chemical warfare agents and toxic industrial chemicals.3.2 biological agent microorganism that is a pathogen and that has the potential to be used intentionally to cause harm NOTE Human pathogens are relevant to RPD (respiratory protective devices) selection.3.3 radiological agent substance that emits ionizing radiation and that could be disseminated to cause harm.BS 8468-5 pdf downlaod.