Letters - an official letter announcing public meetings, new requirements, NIOSH policies and other relevant information important to our stakeholders.
- December 02, 2008
Letter to All Interested Parties: National Personal Protective Technology Laboratory Stakeholder Meeting, December 02, 2008 - July 10, 2008
Letter to All Interested Parties: National Personal Protective Technology Laboratory Stakeholder Meeting, August 20, 2008 - January 25, 2008
Letter to All Interested Parties: National Personal Protective Technology Laboratory Stakeholder Meeting, March 6, 2008 - January 17, 2008
Letter to All Interested Parties: Colors for Respirator Element Labeling - January 3, 2008
Letter to All Interested Parties: Powered Air-Purifying Respirator (PAPR) Concept Paper - December 12 , 2007
Letter To All Respirator Manufacturers: Respirator Manufacturers Meeting January 24th, 2008 - August 30, 2007
Letter to All Interested Parties: Incorporation of the NIOSH CBRN Full Facepiece APR Mechanical Connector and Gasket drawing Revision 4, Dated 09 July 2007, into the Statement of Standard for Chemical, Biological, Radiological and Nuclear (CBRN) Full Facepiece Air-Purifying Respirator (APR), Revision 2; April 4, 2003 - July 20, 2007
Letter To All Interested Parties: Time extension to submit comments on the Total Inward Leakage program for half-mask air-purifying particulate filtering respirator certification - July 12, 2007
Letter to All Respirator Manufacturers: Reminder - Information Request for Respirator Audit Logic Database
- July 11, 2007
Letter to All Respirator Manufacturers: Reminder - Information Request for Respirator Audit Logic Database
Letter to All Respirator Manufacturers: Revised fees for CBRN respirator approvals, effective April 1, 2007 - May 29, 2007
Letter to All Interested Parties: TIL Public Meeting - June 14, 2007
Letter to All Respirator Manufacturers: Clarification on the Purpose of Posting Standard Test Protocols - April 10, 2007
Letter to All Respirator Manufacturers: Respirator Manufacturers Meeting April 10th, 11th, and 12th, 2007 - April 3, 2007
Letter to All Respirator Manufacturers: Update to the NIOSH CBRN Full Facepiece APR Mechanical Connector and Gasket Drawing from Revision 2 (January 9, 2004) to Revision 3 (April 3, 2007) - February 27, 2007
Letter to All Respirator Manufacturers: Respirator Manufacturers Meeting April 10th, 11th, and 12th, 2007 - December 8, 2006:
Letter to All Respirator Manufacturers: NIOSH NPPTL and NFPA Joint Approval Process for NFPA 1981 2007 Edition Respirator Approvals - November 3, 2006
Letter to All Respirator Manufacturers: Information Request for Respirator Audit Logic Database Reminder - October 20 , 2006:
Letter to All Interested Parties: Time extension to submit comments on the Closed-Circuit Escape Respirators (CCER) Concept Requirements - October 6 , 2006:
CBRN PAPR Announcement Letter: Voluntary Program for Acceptance of Applications for the Testing and Evaluation of Powered Air-Purifying Respirators (PAPR or PAPRS) for Use Against Chemical, Biological, Radiological and Nuclear (CBRN) Agents - October 6 , 2006:
Letter to All Interested Parties: CBRN Combination SCBA and CBRN Supplied Air respirator concepts - October 2 , 2006:
Letter to All Respirator Manufacturers: NIOSH Policy for Respirator Sealing Surfaces and Facial Hair - August 21, 2006:
Letter to All Interested Parties: Closed Circuit Escape Respirator (CCER) Public Meetings
- August 14, 2006:
Letter to All Interested Parties: National Personal Protective Technology Laboratory Public Meeting
- August 14, 2006:
Letter to All Respirator Manufacturers: Manufacturers Meeting, October 11, 2006
- June 15, 2006:
Letter to All Respirator Manufacturers: Revised "Cautions & Limitations" List for CBRN Air-Purifying Respirators (APR)
- March 17, 2006:
Letter to All Respirator Manufacturers: Meaning of NIOSH Approval
- March 16, 2006:
Letter to All Respirator Manufacturers: Public Meeting to be held on April 27, 2006, to Discuss Expediting the Respirator Certification Process, Isoamyl Acetate (IAA) Testing, N95 Filtering Facepiece Priority, CBRN NFPA 1981 Standard, and Changes to Post-Certification Audit Selection
- March 16, 2006:
Letter to All Respirator Manufacturers: Revised fees for CBRN respirator approvals, effective April 1, 2006
- January 10, 2006:
Letter to All Respirator Manufacturers: Clarification of use of manufacturer's pretest data
- November 15, 2005:
Letter to All Respirator Manufacturers: December 12, 2005 manufacturers' meeting to discuss Silica dust tests for PAPR, Standard Application Procedures, and tour the NIOSH/NPPTL Facility
- November 15, 2005:
Letter to All Interested Parties: December 13, public meeting to discuss concepts for standards for CBRN respirators and multi-function PAPRs
- August 29, 2005:
Letter to All Respirator Manufacturers: Revocation of Cylinder Exemption DOT-E-12695
- August 26, 2005:
Letter to All Respirator Manufacturers: Revised Standard Application Procedures for the Certification of Respirators
- June 23 , 2005:
Letter to All Interested Parties: July 19-20, 2005 meeting to discuss Concepts for Standards for Approval of Respirators for Use Against Chemical, Biological, Radiological and Nuclear Agents (CBRN) and Guidelines for Their Use; and Concepts for Standards for a Multi-Function Powered Air Purifying Respirator (PAPR)
- May 20, 2005:
Letter to All Respirator Manufacturers: July 21, 2005 meeting to discuss Standard Application Procedures
- May 18, 2005:
Letter to All Respirator Manufacturers: Air-Purifying Fit Test Subject Selection
- April 22, 2005:
Letter to All Respirator Manufacturers: Unique Part Numbers; Abbreviated Labeling Options for Cartridges and Filters
- April 7, 2005:
Letter to All Respirator Manufacturers: Clarification of Supplier and Subcontractor Relationships
- March 11, 2005:
Letter to All Respirator Manufacturers: Meeting to discuss the Standard Application Procedures (SAP) comments, implementation of the procedures, new NPPTL and Respirator Branch organizational structures, and follow-up on replacement documents
- March 10 , 2005:
Letter to All Respirator Manufacturers: April 1, 2005 revised fees for CBRN respirator approvals and Federal Tax ID Number - Employee Identification Number (EIN) listing on all payment checks
- November 16, 2004 :
Letter to All Respirator Manufacturers: Meeting to address new NPPTL and Respirator Branch organizational structures, availability of revised Standard Application Procedures for comment, and concepts for Respirator Branch process and procedure changes
- November 12 , 2004:
Letter to All Interested Parties - Public Meeting to be held on December 15, 2004, to Continue Discussions for Concepts of Powered Air-Purifying Respirator (PAPR) Standards and Introduction of Concepts for Closed Circuit, Self Contained, Breathing Apparatus Standards Development Efforts Used for Respiratory Protection Against CBRN Agents
- March 26, 2004:
Letter to All Interested Parties - Public Meeting May 4, 2004, to Continue Discussions for Powered Air-Purifying Respirator (PAPR) Standards Used for Respiratory Protection Against CBRN Agents - October 8 , 2003:
Letter to All Respirator Manufacturers - Voluntary Program for Acceptance of Applications for the Testing and Evaluation of Air-Purifying Escape Respirators and Self-Contained Escape Respirators for Use Against Chemical, Biological, Radiological and Nuclear (CBRN) Agents - September 24 , 2003
Letter to All Interested Parties - Announcement of Two Public Meetings to be held on October 16, 2003 to Initiate Conceptual Discussions for Powered Air Purifying Respirator Standards for Protection Against CBRN Agents, and Quality Assurance Standards Module for Respiratory Protective Equipment
- June 6, 2003
Letter to All Interested Parties - Announcement of a Respirator Certification Process Workshop to be Held on June 26, 2003
- June 4 , 2003
Letter to All Interested Parties - Announcement of a Public Meeting - June 25, 2003, to Continue Conceptual Discussions for Escape Respirator Standards Development Efforts for Protection Against CBRN Agents, and Provide an Update on the Quality Assurance/Administrative Module - April 10, 2003
Letter to All Interested Parties - Public Meeting to be held on April 29, 2003, to Continue Conceptual Discussions for Escape Respirator Standards Used for Respiratory Protection Against CBRN Agents - April 4, 2003
Letter to All Respirator Manufacturers - Voluntary Program for Acceptance of Applications for the Testing and Evaluation of Full-Facepiece Air Purifying Respirators (APR) for Use Against Chemical, Biological, Radiological and Nuclear (CBRN) Agents
- March 12, 2003
Letter to All Interested Parties - Announcement of a Meeting to be held April 10, 2003 to Discuss Standards for Multifunction Powered Air Purifying Respirators (PAPRs) - March 11, 2003
Letter to All Interested Parties - Announcement of Meetings to be held on April 10, 2003, and April 24, 2003, to Discuss the Approval of Respiratory Devices Used to Protect Workers in Hazardous Environments
- March 11, 2003
Letter to all Manufacturers - NIOSH/NPPTL CBRN Respirator Research and Development (R&D) Test Program - March 11, 2003
Letter to all Manufacturers - Upgrade of Previously-Deployed SCBA Configurations to CBRN Approval Status - September 23, 2002
Letter to All Interested Parties - Announcement of a Public Meeting on October 16 & 17, 2002, to Discuss Standards Development Efforts for Full Facepiece Air-Purifying Respirators (APR) Used to Protect Emergency Response Workers Against Chemical, Biological, Radiological and Nuclear (CBRN) Agents and Air-Purifying Escape Respirators to Protect Workers Against CBRN Agents
- July 10, 2002
Letter to All Respirator Manufacturers - Relocation of NIOSH's Respirator Branch to the National Personal Protective Technology Laboratory (NPPTL)
- May 24, 2002
Letter to All Interested Parties - Announcement of a Public Meeting to Discuss Standards Development Efforts for Full Facepiece Air-Purifying Respirators (APR) Used to Protect Emergency Response Workers Against Chemical, Biological, Radiological and Nuclear (CBRN) Agents - December 28, 2001
Letter to All Respirator Manufacturers - Acceptance of Applications for the Testing and Evaluation of Self-Contained Breathing Apparatus for Use Against Chemical, Biological, Radiological, and Nuclear Agents
Respirator Manufacturer Certification Support
- December 8, 2006:
Letter to All Respirator Manufacturers: NIOSH NPPTL and NFPA Joint Approval Process for NFPA 1981 2007 Edition Respirator Approvals
Manufacturer's Meetings
Closed-Circuit Escape Respirators and Self-Contained Escape Respirators
- March 22, 2007 Long Term Field evaluation Concept Meeting
- RI 9671: Self-Contained Self-Rescuer Long Term
Field Evaluation Combined Eighth and Ninth Phase Results
- September
28, 2006 Public Meeting - Closed-circuit escape respirators - Golden,
Colorado | Registration
forms - September 28 | CCER
Concept Paper
- Presentations from the September 19, 2006 Public Meeting - Closed-circuit escape respirators - Arlington, Virginia