26/30509736 DC

This standard 26/30509736 DC BS EN 149 Respiratory protective devices - Filtering half masks to protect against particles - Requirements, testing and marking is classified in these ICS categories:

• 13.040.30 Workplace atmospheres

This document specifies minimum requirements for particle filtering half masks as respiratory protective devices intended to protect the wearer in occupational settings, where there is a health risk(s) from inhaling any type of particles during working activities except for escape purposes. Laboratory and practical performance tests or references to test method standards are included for the assessment of compliance with the requirements.