EN 
DE DGUV Rule 112-190 "Use of respiratory protective devices" (11/2021)
The rule serves as an aid for the selection and use of respiratory protective devices. The 2021 revision of the 2011 version contains, among other things, new terms and specifications on the service life of respiratory protective devices. There are the following significant changes to the previous version: The creation and revision of this DGUV regulation and in particular the table of service life (Section 8.2) is not related [...]
