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Laboratory Tests for Total Inward Leakage - FY06

NOTE: This page is archived for historical purposes and is no longer being maintained or updated.
Current Information can be found at: Laboratory Tests for Total Inward Leakage - FY07

Objective

  • To strengthen scientific basis on which NIOSH recommendations for respiratory protection depend
  • Develop improved methods for measuring an actual exposure dose of Freon-113
  • To develop a validated respirator performance test for high APF respirators
Man in full PPE ensemble at TIL test chamber

Applicable Standards

  • 42 CFR84
  • 29 CFR 1910.134
  • ISO

Key Partners

  • Chris Coffey, NIOSH/DRDS
  • Karla Thrall, Karl Weitz, PNNL
  • Robin Howie, Howie Associates, Inc., UK

Stakeholders

  • Respirator users
  • Respirator manufacturers
  • OSHA

Project Scope

  • Develop improved strategies and methods
  • Keeping Entech equipment and analytical instruments ready for data collection and analysis
  • Compare fit factors to Freon-113 exposure dose

Milestones

  • Conduct subject characterization testing
  • Calculate correlation coefficients between exhaled breath Freon concentration and Freon exposure concentration
  • Conduct method comparison data collection

Outputs

  • None for FY06

Outcomes

  • None for FY06
Woman Total Inward Leakage TIL test photo
Page last modified: January 11, 2007
Page last reviewed: January 11, 2007 (archived document)
Content Source: National Institute for Occupational Safety and Health (NIOSH)