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Evaluation of NFPA 1991 Vapor-Protective Ensemble Worn with CC-SCBA FY12

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


  • Conduct performance evaluation testing of NFPA 1991 Vapor-Protective Ensembles worn with Closed Circuit - Self Contained Breathing Apparatus (CC-SCBA)
Photos of Vapor Protective Ensembles and Closed Circuit SCBA

Applicable Standards

  • NFPA 1991 Standard on Vapor-Protective Ensembles for Hazardous Materials Emergencies, 2005 Edition

Key Partners

  • None


  • NFPA Technical Committee on Hazardous Materials
  • Industrial Hazardous Materials Response Teams
  • Local/State/Federal Hazardous Materials Response Teams
National Fire Protection Association (N F P A) logo

Project Scope

  • Ensemble performance evaluations are specified in NFPA 1991 to be conducted with Open Circuit Self Contained Breathing Apparatus (OC-SCBA). The NFPA Technical Committee (TC) has concerns with the practice of NFPA 1991 ensembles are being worn with CC-SCBA. Issues have been raised related to internal overpressure and oxygen build-up


  • Q1 Technical Services Contact Awarded to J.P. Zeigler, LLC
  • Q3 Testing using ABMS system with 1991 Ensemble with CC-SCBA


  • Technical data and recommendations will be submitted to the NFPA Technical Committee for consideration during the NFPA 1991 revision process


  • Reduction in dermal hazards
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