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Penetration of Nanoparticles through

NIOSH-approved Respirator Filters- FY11

NOTE: This page is archived for historical purposes and is no longer being maintained or updated.


  • To evaluate the efficacy of NIOSH-approved respirators against nanoparticles
Diagram of Lab testing of Filtering Face piece Respirator (F F R)

Applicable Standards

  • 42 CFR
  • ASTM E56
  • ISO TC 229

Key Partners

  • Minn. University - Collaborator
  • NIOSH NTRC - Funding


  • Respirator users
  • Industrial hygienists
  • Respirator manufacturers
  • Filter media manufacturers
  • Nanotechnology companies
Document cover

Project Scope

  • Measure filtration performance of filtering facepiece respirators against nanoparticles
  • Using manikin head form measure face seal leakage and filter performance of respirators against nanoparticles
  • Determine most penetrating particle size for surgical masks, dust masks, N95, P100, and FFP2 filters


  • Finalize manuscripts
  • Project completed


  • Manuscripts - Published (11)
  • Presentations at conferences (20)
  • Standards committee meetings & public meetings (3)
  • NIOSH Best Practice Nanotech Guidance Documents


  • Experimental data from project is used in NIOSH, ASTM, & ISO guidelines for worker protection against aerosolized nanoparticles
  • DuPont uses NIOSH recommended test procedures for collecting data on barrier materials and filter media
  • Collaborating with IRSST, Montreal, on a research project concerning respiratory protection against nanoparticles
Page last updated: August 15, 2011
Page last reviewed: August 15, 2011
Content Source: National Institute for Occupational Safety and Health (NIOSH)
National Personal Protective Technology Laboratory