NIOSH Listing of masks conforming to the ASTM F3502-21 and NIOSH Requirements
Earlier in the year, ASTM International released a new standard, ASTM 3502-21 Standard Specification for Barrier Face Coverings. This web page provides a table of barrier face coverings (BFCs) and Workplace Performance/Performance Plus masks that conform to the ASTM F3502-21 standard and NIOSH requirements.