Error processing SSI file

Respirator Approval Program

Updated July 26, 2021

Workers wearing respirators

Approval Support, Test Procedures, Standards, and User Notices

All new applicants should read through the NIOSH Conformity Assessment Notices prior to submitting an application to become more familiar with the process.

Status of Current Approval Projects

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

Average New Approval Processing Times

Only projects that succeeded in granting approvals are included among these averages. The times shown in the table represent the average number of days the projects spent in processing. Individual projects may have resulted in the issuance of multiple approvals. Unless otherwise noted, the times listed exclude the longest 10 percent of projects in each category.

Average Number of Days for New Approvals Granted by Schedule [PDF – 307 KB]