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Penetration of Nanoparticles through

NIOSH-approved Respirator Filters- FY10

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

Current Information can be found at: Penetration of Nanoparticles through NIOSH-approved Respirator Filters - FY11


  • 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 - Nanoparticle penetration
  • NIOSH NTRC - Funding
  • DuPont Nanotech Consortium - Exchange of information


  • Respirator users
  • Industrial hygienists
  • Respirator manufacturers
  • Filter media manufacturers
  • Nanotechnology companies
  • Funded in part by NIOSH NTRC
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


  • Q1 Submit two manuscripts to journals
  • Q2 Submit a review article on nanoparticle filtration of respirators for publication in the special issue of Journal of Nanoparticle Research
  • Q3 Submit manuscript on "Protection factor measurements using PortaCount" to journal
  • Q4 Submit manuscript on "Leakage of nanoparticles through filtering facepiece respirators" to journal


  • Manuscripts - Published (7) Submitted to journal (1)
    • Submitted for OD review (4)
  • 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: April 5, 2010
Page last reviewed: April 5, 2010
Content Source: National Institute for Occupational Safety and Health (NIOSH)
National Personal Protective Technology Laboratory