British Standards Document
BS EN 149
Respiratory protective devices. Filtering half masks to protect against particles. Requirements, testing, marking

https://doi.org/10.3403/02279488U

BS EN 149 is maintained by PH/4. The current release of this standard is:

BS EN 149:2001+A1:2009 Respiratory protective devices. Filtering half masks to protect against particles. Requirements, testing, marking

https://doi.org/10.3403/02279488 (published 15/06/2001)

This standard is available from the following sources:

Other historical versions of this standard document also exist:

BS EN 149:2001 [current until 23/07/2009]
BS EN 149:1992 [current until 15/06/2001]