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Physiological Evaluation of Tight- and Loose-Fitting PAPRs - FY12

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


  • The primary objective of this study is to evaluate the metabolic and respiratory responses of wearers of tight-and loose-fitting PAPRs at rest and during low- and moderate-intensity exercise on a treadmill. Findings will be provided to the PSD Branch in support of module development.

Driving a Tractor while wearing a PAPR with hood

Applicable Standards

  • 42 CFR Part 84

Key Partners

  • PSD Branch


  • Manufacturers
  • Wearer
Healthcare worker wearing a PAPR

Project Scope

  • Men and women healthcare workers will wear different manufacturer’s powered air-purifying respirators while inhaled gas concentrations, pressures, and temperatures are monitored continuously at rest and during low- and moderate-intensity activity. ABMS testing of PAPRs will also be conducted.


  • Completed HSRB approval 2Q FY12
  • Complete subject testing 4Q FY12


  • Presentation at ISRP conference September 2012
  • Standards committee/stakeholder presentations (0)
  • Published manuscript in peer-reviewed journal (0)


  • Results incorporated into updates to PAPR module proposed for Title 42 CFR Part 84
Page last updated: April 17, 2012
Page last reviewed: April 17, 2012
Content Source: National Institute for Occupational Safety and Health (NIOSH)
National Personal Protective Technology Laboratory