A Guide to atmosphere-supplying respirators
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Filetype[PDF-638.43 KB]


  • English

  • Details:

    • Description:
      "Atmosphere-supplying respirators provide clean breathing air from a source independent of the work area. These respirators will protect wearers from many types of airborne contaminants (particles, gases, and vapors) and, in certain cases, oxygen-deficient atmospheres. There are three types of atmosphere-supplying respirators: supplied-air respirators (SARs), self-contained breathing apparatus (SCBAs), and combination SARs/SCBAs. Respirators need to be approved by the National Institute for Occupational Safety and Health (NIOSH) Respirator Approval Program and used in the context of a complete respiratory protection program per the Occupational Safety and Health Administration (OSHA) regulation 29 CFR 1910.134, which includes annual fit testing for all respirators with a tight-fitting facepiece." - NIOSHTIC-2

      NIOSHTIC no. 20057020

      Suggested Citation: NIOSH [2019]. A Guide to Atmosphere-Supplying Respirators. By Cichowicz, J., Cofey, C., and Fries, M. Pittsburgh, PA: U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health. DHHS (NIOSH) Publication No. 2019-174, https://doi.org/10.26616/NIOSHPUB2019174

    • DOI:
      10.26616/NIOSHPUB2019174
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