Europe
In the European Committee for Standardizations CEN, the Technical Committee TC 79 “Respiratory protective devices” is responsible for the development of product standards, test methods and selection and use guidance:
(https://standards.cen.eu/dyn/www/f?p=204:7:0::::FSP_ORG_ID:6062&cs=1FE6D4AE51AA3AA72A7024518C8767D1B).
After its reactivation in 2012, standards on filters for reusable masks and standards on assisted devices for hood and mask respiratory interfaces were the first to undergo revision.