Safety Alert Number 0812209

NIOSH has Revoked JTN Approval Numbers TC-84A-4404 and TC-84A-4405

The National Institute for Occupational Safety and Health (NIOSH) wishes to inform respirator users that the NIOSH certificate of approvals TC-84A-4404 and TC-84A-4405 for JTN models MVP-TR1 and MVP-TR2 N95 Filtering Facepieces have been revoked as of December 4, 2008.
These models are being sold by various distributors as NIOSH approved Silver Shield™ N95 Antimicrobial Masks.
Complete details concerning the revocation of TC-84A-4404 and TC-84A-4405 can be found at