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For Respirator Manufacturers

	Workers wearing respirator protection

Approval Support, Test Procedures, Standards, and User Notices

Respirator Approval Information

How to apply for NIOSH Respirator Approval

NIOSH 42 CFR Part 84, Approval of Respiratory Protective Devices
This rule addresses NIOSH approval requirements for respiratory protective devices.

Standard Application Form for the Approval of Respirators, Version 7

Standard Application Procedure for the Approval of Air-Purifying Filtering Facepiece Respirators [PDF - 1.1 MB], dated September 16, 2016
Applicants should review the entire document and contact the Records Room at or 412-386-5320 with any questions before submitting a respirator for approval.
Please note that standard application procedures are being updated for the other classes of respirators and will be posted here when approved.

Standard Application Procedure for the Approval of Respirators Under 42 CFR 84 [PDF - 1.2 MB], dated August 2015
Applicants should review the entire document and contact the Records Room at or 412-386-5320 with any questions before submitting a respirator for approval.


Respirator Certification Fees Final Rule effective May 26, 2015

Respirator Certification Fees, Questions and Answers [PDF - 126 KB], June 15, 2015

Fees for Chemical Warfare Agent (CWA) Testing Portion of Chemical, Biological, Radiological, and Nuclear (CBRN) Approval , effective September 1, 2014


DHHS, NIOSH, and CBRN Logos for use by approval holders on labels for NIOSH-approved respirators

NIOSH-Approved Chemical, Biological, Radiological and Nuclear Agents (CBRN) Logo [PDF - 9 KB]

Standard Test Procedures

Standard Test Procedures (STPs)
Each respirator and component submitted for approval must meet the applicable requirements outlined in 42 CFR Part 84 subparts H through L. The standard test procedures used by NIOSH are listed in this section.

Other Information

Colors for Respirator Element Labeling , dated January 17, 2008
The color coding requirements of labels for canisters and cartridges as a means for secondary identification.

Respirator Certification Program Decision Review Process [PDF - 593 KB], dated January 30, 2008
A structured process that enables stakeholders to request a review of decisions regarding NPPTL policy statements, test procedures, and test results pertaining to ongoing respirator certification activities.

Respirator User Notices

Notices are provided to inform users of a condition or risk that may exist with a NIOSH-approved product.

NIOSH and MSHA Investigation of CSE SR 100 Starter Oxygen Assembly (Updated August 2, 2011)
A joint investigation concerning a problem with SR 100 Self-Contained Self-Rescuer.

Respirator Standards


Standards for Respirators with Chemical, Biological, Radiological, and Nuclear Protection

Standards for Respirators without Chemical, Biological, Radiological, and Nuclear Protection

Standards Under Development

  • Powered, Air-Purifying Respirators
    A comprehensive standard for certifying Powered Air-Purifying Respirators (PAPRs) is under development. Information submitted to the dockets 008 , 008A , and 010 will be considered in the context of development of conceptual standards for PAPRs, as well as updating equipment performance requirements to improve respirator user safety and health.

Status of Current Approval Projects

Lists of approval projects that are currently being processed, indicating the dates that processing steps were begun and completed.

Additional Resources and Technical Support

Additional Resources

NIOSH Pocket Guide to Chemical Hazards
A source of general industrial hygiene information on several hundred chemicals/classes for workers, employers, and occupational health professionals.

Anthropometric Data and ISO Digital Headforms
Using data collected in a 2003 survey, parameters for headforms in five size categories were developed. The 2D and 3D data is available from NIOSH.

Saving Lives: Building a Better Face Mask
Video featuring NIOSH NPPTL research to build a better face mask using facial measurements.

Certified Equipment List (CEL)
A searchable list of commercially-available, respiratory personal protective devices approved by NIOSH to meet the requirements of Title 42, Code of Federal Regulations, Part 84.

Letters to All Manufacturers and Interested Parties
Official letters announcing public meetings, new requirements, NIOSH policies and other relevant information for our stakeholders.

Technical Support

Technical support is available by calling 412-386-4000 or by Email at