Respirator User Notices Issued by NIOSH
User Notice – Notices are provided to inform users of a condition or risk that may exist with a NIOSH-approved respirator.
NIOSH has reviewed and concurs with the facts in the user notice as of the date indicated on the NIOSH website.
For the most current notices, see the Conformity Assessment Notices and Letters to Manufacturers and Interested Parties web page.
Disclaimer: Links to non-Federal organizations do not constitute an endorsement of these organizations, their products, or programs by NIOSH and none should be inferred. NIOSH is not responsible for the content of the individual organization web pages found at these links. They are provided solely as a service to our users. A NIOSH certificate of approval is not an endorsement of the respirator by NIOSH. Such endorsements are not to be stated or implied by manufacturers in advertisements or other publicity. NIOSH certification represents that the equipment has met the requirements of Title 42, Code of Federal Regulations (CFR) Part 84.
With all rescissions, the approval number is no longer listed in the Certified Equipment List (CEL), or on any of the NIOSH web pages that list approved respirators.
- October 3, 2016 – Voluntary Rescission of SAS Safety Corporation, Certificates of Approval for TC 19C-0424, TC-19C-0425, TC-19C-0426, TC-19C-0427, TC-19C-0466, TC-23C-2305, TC-23C-2802, TC-23C-2893, TC-84A-4354, TC-84A-5195, TC-84A-5351, TC-84A-5412, TC-84A-6665, TC-84A-6753, TC-84A-6768, TC-84A-7450, TC-84A-7451, TC-84A-7452, TC-84A-7526, TC-84A-7527, TC-84A-7620, TC-84A-7634, and TC 84A 7640
- September 22, 2016 – Revocation of all Respirator Certificates of Approval Issued to NITTA Corp. S.A., Effective September 22, 2016
- July 31, 2014 – Update – Use Restrictions Lifted from NIOSH CBRN Respirator Approvals
- July 23, 2014 – Voluntary Rescission of Suzhou Fangtian Industries Co., Ltd. Certificates of Approval for TC-84A-5481, TC-84A-5482, TC-84A-5483, TC-84A-5531, and TC-84A-5532
- June 2, 2014 – Mine Operator Annual Testing of Self-Contained Self-Rescuer (SCSR) Units
- May 19, 2014 – Voluntary Rescission of Filligent (HK) Ltd. Certificate of Approval TC-84A-6252
- February 27, 2014 – Use of After Market Component Parts
Archive of NIOSH-Issued Notices
Counterfeit Respirators / Misrepresentation of NIOSH-Approval
When NIOSH becomes aware of counterfeit respirators or those misrepresenting NIOSH approval on the market, we will post them to alert users, purchasers, and manufacturers. View Counterfeit Respirators / Misrepresentations.
Always verify that the brand of respirator is listed either in NIOSH’s list of manufacturers or as a private label company.
The NIOSH publication 2013-138 “Respirator Awareness: Your Health May Depend on It” provides additional information to look for when verifying your respirator is truly NIOSH-approved.
Check the respirator approval markings (graphic below) or the Certified Equipment List to verify your respirator is NIOSH-approved. Additional information is available on the NIOSH Trusted Source page.