NIOSH Respirator User Notice
NOTE: This page is archived for historical purposes and is no longer being maintained or updated.
Issue Date: December 16, 2009
From: Heinz Ahlers, Chief, Technology Evaluation Branch, National Personal Protective Technology Laboratory
Subject: Voluntary Rescission of all Respirator Certificates of Approval Issued to Guangzhou Weini Technology and Development Co., Ltd. (GWT) Effective December 16, 2009.
At the request of Guangzhou Weini Technology and Development Co., Ltd. (GWT), The National Institute for Occupational Safety and Health (NIOSH) has rescinded the following certificates of approval:
As of December 16, 2009, no GWT respirator model bearing any NIOSH approval number listed above is approved and will not be manufactured, assembled, sold or distributed as NIOSH approved product.
- National Institute for Occupational Safety and Health (NIOSH)
- Centers for Disease Control and Prevention
TTY: (888) 232-6348
- New Hours of Operation
- Contact CDC-INFO