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				NIOSH Respiratory Protective Device Information						Print
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										**Subject: Effective Immediately: Voluntary Rescission of three Walter Surface Technologies Approvals**NIOSH CA 2023-1065
September 2023
The National Institute for Occupational Safety and Health (NIOSH) has honored a request by Walter Surface Technologies to **voluntarily rescind three NIOSH respirator approvals issued to****Walter Surface Technologies.**
As of September 29, 2023, **any** **respirator marked with a NIOSH approval label with approval numbers TC-21C-0815, TC-21C-0838, and TC-21C-0881 are no longer approved by****NIOSH. The NIOSH Certified Equipment List no longer includes these approval numbers.**
Due to the voluntary rescission of these NIOSH approvals, **respirators bearing these NIOSH approval numbers may no longer be used, manufactured, assembled, sold, or distributed.**
Please reach out to Walter Surface Technologies for additional details related to their decision to voluntarily rescind three approvals issued to Walter Surface Technologies identified in this notice. The **Certified Equipment List** can be used to locate other NIOSH Approved® respirators.Effective Immediately: Voluntary Rescission of three Walter Surface Technologies Approvals [PDF – 174 KB]NIOSH Approved® is a certification mark of the U.S. Department of Health and Human Services (HHS) registered in the United States and several international jurisdictions
							
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							Last Reviewed:  October 3, 2023						Source: 	National Institute for Occupational Safety and Health
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