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NIOSH - National Institute for Occupational Safety and Health

Document for Public Review and Comment:

Concept paper for Total Inward Leakage (for Respirators other than Filtering Facepieces and Half-Masks)
NIOSH Docket 168

August 2009

The National Institute for Occupational Safety and Health (NIOSH) is working to develop appropriate standards and test procedures for respiratory protective devices (RPD) used to protect workers in hazardous environments. NIOSH has initiated a program to update portions of Title 42 Code of Federal Regulations Part 84 (42 CFR Part 84) to promote improved performance and reliability in the area of Total Inward Leakage - for respirators other than filtering facepieces and half-masks.

The concept paper that will be presented at the September 17, 2009 public meeting is available though this web site at the link below. Comments on this concept paper will be accepted through October 19, 2009. Reference Docket Number 168 for all submissions related to this topic. Interested persons or organizations are invited to participate in this process by submitting written views, arguments, recommendations, and scientific data. Comments are invited on any topic related to this concept paper.

Official comments provided to Docket Number 168 relating to the draft concept paper for Total Inward Leakage - (respirators other than filtering facepieces and half-masks) will be evaluated and considered in developing the next draft concept, throughout the informal rulemaking process.

Draft concept paper: Total Inward Leakage - (respirators other than filtering facepieces and half-masks)

Total Inward Leakage (for Respirators other than Filtering Facepieces and Half-masks)
(61.77kb; 6 pages)
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Public Comment Period

Written comments on the document will be accepted through October 19, 2009 in accordance with the instructions below. All material submitted to NIOSH should reference Docket Number NIOSH-168. All electronic comments should be formatted as Microsoft Word and make reference to docket number NIOSH-168.

Comments will be accepted until 5:00 p.m. ET on October 19, 2009

To submit comments regarding this draft publication, please use one of these options:

  • Send NIOSH comments using this online form

  • Send comments by email.

  • Fax comments to the NIOSH Docket Office: 513-533-8285

  • Send by Mail to:
    NIOSH Mailstop: C-34
    Robert A. Taft Lab.
    4676 Columbia Parkway
    Cincinnati, Ohio 45226

NIOSH Draft Documents for Public Review


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