NPPTL Official Mailing Address Has Been Changed
Letter to All Respirator Manufacturers
March 5, 2015
The National Institute for Occupational Safety and Health (NIOSH), National Personal Protective Technology Laboratory’s (NPPTL) official mailing address has been changed. The Post Office Box (PO) 18070 is no longer in use. For all correspondence, please use: 626 Cochrans Mill Road, Pittsburgh, PA 15236.
Chief, Technology Evaluation Branch
National Personal Protective Technology Laboratory