NIOSH Respirator User Notice
NOTE: This page is archived for historical purposes and is no longer being maintained or updated.
Issue Date: November 8, 2011
From: Heinz Ahlers, Chief, Technology Evaluation Branch, National Personal Protective Technology Laboratory
Subject: Voluntary Rescission of Aswan International Corporation Certificate of Approvals TC-84A-4563 and TC-84A-4632
At the request of the Aswan International Corporation (ASW), the National Institute for Occupational Safety and Health (NIOSH) has rescinded certificates of approval TC-84A-4563 and TC-84A-4632.
As of November 7, 2011, no ASW or private label version respirator model bearing the NIOSH approval numbers listed above is approved and respirators with these approval numbers will not be manufactured, assembled, sold or distributed as a NIOSH approved product.
- Page last reviewed: November 10, 2011 (archived document)
- Content source:
- National Institute for Occupational Safety and Health National Personal Protective Technology Laboratory