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Study of Efficacy of User Seal Checks on Filtering Face Pieces - FY08


  • Evaluate the efficacy of User Seal Checks on Filtering Facepiece Respirators
User seal check on Filtering Face piece Respirator (F F R)

Applicable Standards

  • 29 CFR 1910 .134

Key Partners

  • OSHA



  • OSHA
  • Manufacturers
  • Employers
  • Labor Unions
  • Employees
  • Respirator Users

Project Scope

  • Conduct User Seal Checks on various Filtering Facepiece Respirators to assess the ability of the seal check to discriminate between an adequate and a poor seal between the respirator and the user's face.


  • Draft study protocol
  • Submit protocol for HSRB review
  • Obtain HSRB approval for study protocol
  • Begin subject recruitment


  • Publication of project reports
  • Presentations at conferences and stakeholder meetings


  • Improved user instructions, regulation changes, and improved user attitudes concerning the ability and need to conduct seal checks.
  • Data from protocol used by NIOSH, CDC, OSHA, ISO, and ANSI, in guidance documents, standards, and regulations
Page last updated: August 08, 2008
Page last reviewed: August 08, 2008
Content Source: National Institute for Occupational Safety and Health (NIOSH)