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The National Personal Protective Technology Laboratory (NPPTL)








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				Conformity Assessment Notices and Letters to Manufacturers and Interested Parties						Print
																Related Pages
										NIOSH Respiratory Protective Device InformationGuidance documents developed to inform respiratory protective device users.
CA 2024-1074 – Effective Immediately: Voluntary Rescission of eight Masprot S.C., EI. LTDA Approvals
CA 2024-1072 – Effective Immediately: Voluntary Rescission of one A & Z Pharmaceutical, Inc. Approval
CA 2023-1071 – Effective Immediately: Voluntary Rescission of 48 Honeywell International Inc. Approvals
CA 2023-1070 – Effective Immediately: Voluntary Rescission of 26 Honeywell International Inc. Approvals
CA 2023-1069 – Effective Immediately: Voluntary Rescission of 12 AOK Tooling Limited Approvals
CA 2023-1068 – Effective Immediately: Voluntary Rescission of 30 Dentec Safety Specialists Corp. Approvals
CA 2023-1067 – Effective Immediately: Voluntary Rescission of 19 Honeywell International, Inc. Approvals
CA 2023-1066 – Notice: Important reminder to use the approved carry case for the Ocenco M-20.3 Closed-Circuit Escape Respirator (CCER)
CA 2023-1065 – Effective Immediately: Voluntary Rescission of three Walter Surface Technologies Approvals
CA 2023-1064 – Effective Immediately: Voluntary Rescission of one Air Filtration Solutions Ltd. Approval
CA 2023-1063 – Effective Immediately: Voluntary Rescission of one Merilogy Inc. Approval
CA 2023-1060 – Effective Immediately – Effective Immediately: Voluntary Rescission of Honeywell International Inc. Approval
CA 2023-1059 – Effective Immediately — Revocation of NIOSH Public Health Emergency (PHE) Approvals issued during the COVID-19 Response, Supersedes NIOSH CA 2022-1044
CA 2023-1057 – Effective Immediately: Voluntary Rescission of 24 E.D. Bullard Company Respirator Approvals
CA 2023-1055 – Effective Immediately: Voluntary Rescission of certain Honeywell International Inc. Approvals
CA 2023-1053 – Clarification of label information for Self-Contained Breathing Apparatus that are approved by NIOSH and certified to the National Fire Protection Association (NFPA) 1981 standard, 2019 Edition
CA 2023-1052R1 – Effective Immediately: Revocation of LiveFree Personal Protection LLP Approval, Supersedes CA 2023-1052
CA 2023-1052 – Effective Immediately: Rescission of LiveFree Personal Protection LLP Approval
CA 2023-1051 – Effective Immediately: Voluntary Rescission of RB Sigma, LLC Approval
CA 2022-1049 – Revocation of Seven Honeywell Int’l. Inc. SAF-T-FIT Approvals Labeled as Sperian Products
CA 2022-1048 – Effective Immediately: Voluntary Rescission of Supplied Air Monitoring Systems, Inc. Approval
CA 2022-1047 – A NIOSH-approved respirator cannot be altered to improve fit. Superseded notice NIOSH CA 2021-1037
CA 2022-1044 – Immediate information for respirator users regarding NIOSH Public Health Emergency (PHE) Approvals issued during the COVID-19 Response and the action to obsolete (phase out) these PHE approvals
CA 2022-1043 – Effective Immediately: Voluntary Rescission of Pacific PPE Corporation Approvals
CA 2022-1042 – Effective Immediately: Voluntary Rescission of ALG Health Approvals
CA 2021-1038 – Revocation of Shanghai Dasheng Health Products Manufacture Co., Ltd. Approvals
CA 2021-1037 – Updated user instruction information regarding three NIOSH-approved filtering facepiece respirators TC-84A-9298, TC-84A-9308 and TC-84A-9315
CA 2021-1033R1 – Guidance for respirator users regarding NIOSH Approved surgical N95 filtering facepiece respirators (surgical N95s) exempt from 510(k) pre- market notification in accordance with the Food and Drug Administration regulations at 21 CFR § 878.4040. Supersedes March 2021 version
CA 2021-1035 – Revocation of Public Health Emergency Approval TC-84A-PH19
CA 2021-1033 – Guidance for respirator users regarding NIOSH Approved surgical N95 filtering facepiece respirators (surgical N95s) exempt from 510(k) pre-market notification in accordance with the Food and Drug Administration Final Rule published May 17, 2018
CA 2020-1028 – Information regarding damaged or degraded head straps on previously stockpiled NIOSH-approved filtering facepiece respirators
CA 2020-1026 – Information regarding Shanghai Dasheng Health Products Manufacture Co., Ltd. (SDH) filtering facepiece respirators (FFRs) with ear loops and labeled as NIOSH-approved
CA 2018-1006R1 – Self-contained breathing apparatus (SCBA) user information regarding compressed breathing gas containers (cylinders), NIOSH approval holder user instructions, and Department of Transportation (DOT) permit and marking. Revised: Supersedes the August 2018 version Additional information: Pipeline and Hazardous Materials Safety Administration Notice: DOT Special Permit 16320
CA 2018-1006 – Self-contained breathing apparatus user information regarding compressed breathing gas containers (cylinders), NIOSH approval holder user instructions, and Department of Transportation (DOT) permit and markingNIOSH Conformity Assessment NoticeDocument developed to provide information to NIOSH approved respirator users (formerly called user notices), to inform stakeholders about changes in a test procedure or the NIOSH CA process, revocations (formerly referred to as letters to interested parties). The document developed to reaffirm a NIOSH CA process or procedure.
CA 2023-1054 – DEVCOM Chemical Biological Center (CBC) Fees for Chemical Warfare Agent (CWA) Testing, effective March 2023. This notice supersedes NIOSH Conformity Assessment Notice NIOSH CA 2019-1023 and the NIOSH Letter to All Manufacturers dated August 22, 2014
CA 2021-1034R1 – Summarized Information about NIOSH Respirator Approval Program (i) Basic Application Procedures (ii) Quality Assurance Requirements and (iii) Supplier or Subcontractor Agreements. Supersedes: March 2021 version
CA 2021-1034 – Summarized Information about NIOSH Respirator Approval Program (i) Basic Application Procedures (ii) Quality Assurance Requirements and (iii) Supplier or Subcontractor Agreements
CA 2019-1016 – Summary of the Federal Register comments concerning the Department of Transportation Special Permit 16320 Additional information: Pipeline and Hazardous Materials Safety Administration Notice: DOT Special Permit 16320
CA 2019-1012 – NIOSH Respirator Approval Contents and Meaning, Supersedes: March 17, 2006 Respirator User Notice – Meaning of NIOSH Approvals May 15, 2015 Letter to All Respirator Manufacturers – NIOSH Respirator Certificate of Approval, Approval Labels and User Instructions
CA 2018-1003 – NIOSH Use of a Personal Computer (PC) Based System, Microsoft Windows and National Instruments’ LabVIEWTM Data Acquisition Software to replace use of the Gould RS3200 Strip Chart Recorder beginning June 15, 2018
CA 2018-1002 – Intra-Laboratory Comparison of LabVIEWTM Data Acquisition Software to replace use of the Gould RS3200 Strip Chart RecorderNIOSH Conformity Assessment InterpretationAn explanation of a course of action or position adopted and pursued by NIOSH/NPPTL that directly affects its stakeholders such as interpretations of and changes to the respirator approval process or requirements.
CA 2021-1039 – NIOSH Respirator Approval Program’s use of the NIOSH Bivariate Panel during Laboratory Respirator Protection Level Testing of Chemical, Biological, Radiological, and Nuclear (CBRN) Self-Contained Breathing Apparatus, CBRN Air-Purifying Respirators, and CBRN Powered Air-Purifying Respirators beginning November 15, 2021
CA 2019-1019 – Effective Immediately – NIOSH quality control plan requirements
CA 2019-1017 – NIOSH acceptance of breathing gas cylinders marked in accordance with 49 C.F.R. Part 178 and ISO 11119-2
CA 2019-1013 – NIOSH labeling requirements for air-purifying and powered air-purifying respirators, effective March 1, 2019. Supersedes the July 19, 1995 Letter to All Respirator Manufacturers
CA 2019-1011 – NIOSH Respirator Approval Program’s use of the NIOSH Bivariate Panel during Isoamyl Acetate Fit Testing beginning February 1, 2019, Supersedes: May 18, 2005 Letter to All Respirator Manufacturers
CA 2018-1005R1.0 – NIOSH Respirator Approval Program’s updated position regarding facial hair and the selection and use of respiratory protective devices. Revised – Supersedes the August 2018 version and the October 2, 2006 Letter to All Respirator Manufacturers
CA 2018-1005 – NIOSH Respirator Approval Program’s updated position regarding facial hair and the selection and use of respiratory protective devices, Supersedes October 2, 2006 Letter to All Respirator ManufacturersNIOSH Conformity Assessment Letter to ManufacturersDocuments formerly referred to as Letters to All Manufacturers.
CA 2023-1062 – Information and Responsibilities of NIOSH Approval Holders for Nonconforming Respirator Investigations (NRIs)
CA 2023-1061 – Effective Immediately — NIOSH Respirator Approval Program Returns to Conventional Operations. This notice supersedes NIOSH CA 2022-1040.
CA 2023-1058 – Effective Immediately — Revocation of Public Health Emergency (PHE) Approvals issued during the COVID-19 Response, Supersedes NIOSH CA 2022-1045
CA 2023-1056 – NIOSH fraud and fraudulent statements policy and information about the NIOSH Respirator Approval Program certification marks. This notice supersedes NIOSH CA 2022-1041-R1.
CA 2022-1050 – Issue Affecting Chemical Warfare Agent (CWA) Testing for NIOSH CBRN Respirator Approvals
CA 2022-1041-R1 – Effective Immediately – NIOSH fraud and fraudulent statements policy and new information about using NIOSH marks. This notice and NIOSH CA 2022-1040 supersede NIOSH CA 2022-1041 and NIOSH CA 2021-1032
CA 2022-1045 – Updated Information for NIOSH-Approval Holders having Public Health Emergency (PHE) Approvals issued during the COVID-19 Response, and the NIOSH action to obsolete (phase out) these PHE approvals. Supersedes NIOSH CA 2021-1036
CA 2022-1041 – Effective Immediately – NIOSH fraud and fraudulent statements policy and new information about using NIOSH marks. This notice and NIOSH CA 2022-1040 supersede NIOSH CA 2021-1032
CA 2022-1040 – Effective Immediately – Prioritization of applications submitted by existing domestic approval holders and new domestic applicants for new approvals or extensions-of-approval for particulate filtering respirators, including Surgical N95 respirators. This prioritization does not include private-label requests. This notice and NIOSH CA 2022-1041 supersede NIOSH CA 2021-1032
CA 2021-1036 – Immediate Information for NIOSH-Approval Holders having Public Health Emergency (PHE) Approvals issued during the COVID-19 Response, and the forthcoming NIOSH revocation of these PHE approvals
CA 2021-1032 – Effective Immediately – In response to COVID-19 – Updated NIOSH fraud and fraudulent statements policy and prioritization for accepting and examining particulate filtering respirator approval applications, including Surgical N95 respirators, submitted by existing domestic and non-domestic approval holders, new domestic manufacturers/applicants, and new non-domestic manufacturers/applicants. Supersedes NIOSH CA 2020-1031
CA 2020-1031 – Effective Immediately – In response to COVID-19 – UPDATED NIOSH prioritization for accepting and examining particulate filtering respirator approval applications, including Surgical N95 respirators, submitted by existing approval holders, new domestic manufacturers/applicants, and new international manufacturers/applicants. Supersedes NIOSH CA 2020-1027
CA-2020-1030 – Requirements and Responsibilities of Approval Holders and Assignees in NIOSH Approved Respirator Private Labeling and Private Packaging Arrangements
CA 2020-1029 – Clarification about U.S. Food and Drug Administration (FDA) Emergency Use Authorizations (EUA) Applicable to Existing NIOSH Respirator Approval Holders
CA 2020-1027 – Effective Immediately – In response to COVID-19 – NIOSH is accepting and prioritizing particulate filtering respirator approval applications submitted by existing approval holders and new domestic manufacturers/applicants. Supersedes NIOSH CA 2020-1024
CA 2020-1025 – Effective immediately – NIOSH Approval Letters, Denial Letters, and Final Fee Invoices will be signed electronically
CA 2020-1024 – Effective immediately – NIOSH is prioritizing Respirator Approval Applications in response to COVID-19
CA 2019-1023 – Revised Chemical Warfare Agent (CWA) Test Fees, Fee Collection Process, and submission Requirements for NIOSH CBRN Respirator Approvals, effective January 1, 2020, this notice supersedes NIOSH CA 2018-1009 and the NIOSH Letter to All Manufacturers dated August 22, 2014
CA 2019-1022 – Interim Resolution to Issue Affecting Chemical Warfare Agent (CWA) Testing for NIOSH CBRN Respirator Approvals, supplements CA-2019-1018 and 1021
CA 2019-1021 – Interim Resolution to Issue Affecting Chemical Warfare Agent (CWA) Testing for NIOSH CBRN Respirator Approvals, supplements CA-2019-1018
CA 2019-1018 – Issue Affecting Chemical Warfare Agent (CWA) Testing for NIOSH CBRN Respirator Approvals
CA 2019-1015 – Resolution to Issue Affecting Gas and Vapor Testing for NIOSH Respirator Approvals, supersedes NIOSH CA 2019-1014
CA 2019-1014 – Issue Affecting Gas and Vapor Testing for NIOSH Respirator Approvals
CA 2018-1010R1.0 – Interim guidance regarding applications for NIOSH Approval of Filtering Facepiece Respirators in accordance with the Food and Drug Administration (FDA) Final Order published May 17, 2018, and FDA/NIOSH MOU 225-18-006, dated November 2017 (included as a reference in this notice). Revision Supersedes the November 2018 version
CA 2018-1010 – Interim guidance regarding applications for NIOSH Approval of Filtering Facepiece Respirators in accordance with the Food and Drug Administration (FDA) Final Order published May 17, 2018, and FDA/NIOSH MOU 225-18-006, dated November 2017 (included as a reference in this notice)
CA 2018-1009 – Revised Chemical Warfare Agent (CWA) Test Fees for NIOSH CBRN Respirator Approvals, effective October 10, 2018, this notice supersedes NIOSH Letter to All Manufacturers dated August 22, 2014
CA 2018-1008 – Resolution to Issue Affecting Chemical Warfare Agent (CWA) Testing for NIOSH CBRN Respirator Approvals, supersedes NIOSH CA 2018-1001
CA 2018-1001 – Issue Affecting Chemical Warfare Agent (CWA) Testing for NIOSH CBRN Respirator ApprovalsNIOSH Conformity Assessment MeetingA meeting announcement to advertise date, time and attendance instructions for interested parties.
CA 2022-1046 – Meeting with Respirator Approval Holders, September 7, 2022, 9:00 AM – 3:00 PM EST, Virtual via Zoom
CA 2019-1020 – Meeting with Respirator Manufacturers, October 29, 2019, 9:00 AM – 4:00 PM EST, NIOSH Pittsburgh Facility, Building 140 Multipurpose Room or by Adobe Connect
CA 2018-1007 – Meeting with Respirator Manufacturers, October 17, 2018, 9:00 AM – 4:00 PM EST, NIOSH Pittsburgh Facility, Building 140 Multipurpose Room or by Adobe Connect
CA 2018-1004 – Meeting with Respirator Manufacturers, August 7, 2018, 9AM – 2PM EST, NIOSH Pittsburgh Facility, Building 140 Multipurpose RoomBelow are letters issued to respirator manufacturers and letters issued to all interested parties:Letters Issued to Respirator Manufacturers
	June 2018 – Issue Affecting Chemical Warfare Agent (CWA) Testing for NIOSH CBRN Respirator Approvals
September 28, 2017 – NIOSH NPPTL Meeting for All Respirator Manufacturers, Thursday, December 7, 2017
August 30, 2016 – NIOSH NPPTL Meeting for All Respirator Manufacturers, Wednesday, November 16, 2016
May 20, 2016 – Update: Interpretation of “Statement of Standard for Chemical, Biological, Radiological, and Nuclear (CRBN) Full Facepiece Air-Purifying Respirator (APR), (CBRN APR Statement of Standard)”, published March 7, 2003, and as last revised April 4 2003
May 15, 2015 – NIOSH Respirator Certificate of Approval, Approval Labels, and User Instructions
March 5, 2015 – Change of NPPTL Mailing Address
February 3, 2015 – Implementation Plan for Respirator Certification Fees
September 30, 2014 – Site Audit Program Questions and Answers
September 8, 2014 – Respirator Manufacturers Meeting, October 22, 2014
August 22, 2014 – Chemical Warfare Agent Test Fees
July 10, 2014 – Information for Respirator Manufacturers Meetings, September 18 and October 22)
July 25, 2013 – Respirator Manufacturers Meeting, September 18, 2013
September 24, 2012 – Respirator Sampling Procedures
August 21, 2012 – Respirator Manufacturers Meeting, October 3, 2012
July 10, 2012 – NIOSH Initiation of Respirator Certification of Respirators with Protections for Wildland Fire-Fighting Operations
August 5, 2011 – Respirator Manufacturers Meeting, September 14, 2011
February 17, 2011 – Respirator Manufacturers Meeting, July 26-28, 2011
April 27, 2010 – Respirator Manufacturers Meeting, July 14, 2010
April 16, 2010 – Revised Breakthrough Levels for Gas Masks
April 13, 2010 – Respirator Manufacturers Meeting, August 24-26, 2010
October 15, 2009 – To All Filtering Facepiece Approval Holders
March 31, 2009 – Respirator Manufacturers Meeting, May 12, 2009
March 17, 2009 – Extended Testing (Default to Test) Policy
March 10, 2009 – Approval of Filtering Facepiece Respirators with Novel Head Suspension Systems. [The March 10, 2009 Letter to All Manufacturers titled Approval Of Filtering Facepieces With Novel Head Suspension Systems is rescinded effective May 8, 2009]
September 03, 2008 – Filtering Facepiece Respirator Label
December 12, 2007 – Respirator Manufacturers Meeting January 24, 2008
July 12, 2007 – Reminder – Information Request for Respirator Audit Logic Database
July 11, 2007 – Reminder – Information Request for Respirator Audit Logic Database
July 11, 2007 – Revised fees for CBRN respirator approvals, effective April 1, 2007
June 14, 2007 – Clarification on the Purpose of Posting Standard Test Protocols
April 10, 2007 – Respirator Manufacturers Meeting April 10th, 11th, and 12th, 2007
April 3, 2007 – 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 – Respirator Manufacturers Meeting April 10th, 11th, and 12th, 2007
December 8, 2006 – NIOSH NPPTL and NFPA Joint Approval Process for NFPA 1981 2007 Edition Respirator Approvals
November 3, 2006 – Information Request for Respirator Audit Logic Database Reminder
October 2, 2006 – NIOSH Policy for Respirator Sealing Surfaces and Facial Hair
August 14, 2006 – Respirator Manufacturers Meeting, October 11, 2006
June 15, 2006 – Revised Cautions an Limitations List for CBRN APR
March 17, 2006 – Meaning of NIOSH Approval
March 16, 2006 – 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 – Revised fees for CBRN respirator approvals, effective April 1, 2006
January 10, 2006 – Clarification of use of manufacturer’s pretest data
November 15, 2005 – Respirator Manufacturers Meeting December 12, 2005 manufacturers’ meeting to discuss Silica dust tests for PAPR, Standard Application Procedures, and tour the NIOSH/NPPTL Facility
August 29, 2005 – Revocation of Cylinder Exemption DOT-E-12695
August 26, 2005 – Revised Standard Application Procedures for the Certification of Respirators
May 20, 2005 – July 21, 2005 meeting to discuss Standard Application Procedures
May 18, 2005 – Air-Purifying Fit Test Subject Selection
April 22, 2005 – Unique Part Numbers; Abbreviated Labeling Options for Cartridges and Filters
April 7, 2005 – Clarification of Supplier and Subcontractor Relationships
March 11, 2005 – 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
November 16, 2004 **–** 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
July 10, 2002 – Relocation of NIOSH’s Respirator Branch to the National Personal Protective Technology Laboratory (NPPTL)Letters Issued to Respirator Manufacturers - CBRN
	March 10, 2005 **–** April 1, 2005 revised fees for CBRN respirator approvals and Federal Tax ID Number – Employee Identification Number (EIN) listing on all payment checks
October 8, 2003 **–** 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
April 4, 2003 – 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 11, 2003 – NIOSH/NPPTL CBRN Respirator Research and Development (R&D) Test Program
March 11, 2003 – Upgrade of Previously-Deployed SCBA Configurations to CBRN Approval Status
December 28, 2001 – Acceptance of Applications for the Testing and Evaluation of Self-Contained Breathing Apparatus for Use Against Chemical, Biological, Radiological, and Nuclear AgentsLetters to Issued to All Interested Parties
	October 2, 2017 – Applications for Approval of Self-Contained Breathing Apparatus (SCBA) Intended to Meet the Requirements of National Fire Protection Association (NFPA) 1986, Standard on Respiratory Protection Equipment for Tactical and Technical Operations, 2017 edition
May 9, 2017 – Incorporation of National Fire Protection Association (NFPA) 1986, Standard on Respiratory Protection Equipment for Tactical and Technical Operations, 2017 edition into NIOSH policy statement on “Evaluation and Acceptance of Emergency Breathing Support Systems (EBSS) incorporated into SCBA Approvals”
March 29, 2017 – ISRP Americas Section Technical and Annual General Meeting, September 13, 2017
January 15, 2016 – First NIOSH/MSHA Approval for Large-Capacity (Cap 3) Closed-Circuit Escape Respirator
April 7, 2015 – Certification Standards for Closed-Circuit Escape Respirators
February 18, 2015 – NIOSH NPPTL Webinar Concerning Standard for Performance Requirements of the Combination Unit Respirator
August 7, 2014 – N95 Day Webinar – Respirator Preparedness in Healthcare: Where Technology Meets Good Practices
July 24, 2014 – NIOSH Update: NIOSH Issues First Closed-Circuit Escape Respirator Approval Under New Certification Requirements
February 18, 2014 – Evaluation and Acceptance of Emergency Breathing Support Systems (EBSS) Incorporated into SCBA Approvals
March 27, 2013 – NIOSH Public Meeting: Amendments to Respirator Certification Fees
December 6, 2010 – PPT Stakeholders Meeting, March 29, 2011
November 19, 2010 – Workshop on Respirator Approval Labels
October 25, 2010 – Announcement of public meeting to be held December 9, 2010 concerning (1) the NIOSH Regulatory Agenda for updating 42 CFR Part 84, (2) Standards Development for CBRN Combination Unit Respirators (Any combination of an air-purifying and air-supplied respirator), and (3) Standards Development for Buddy Breathing with a Self-Contained Breathing Apparatus (SCBA).
June 23, 2010 – Background and Summary of CSE SR-100 Investigations
July 7, 2009 – Announcement of Public Meeting to be held September 17, 2009 to discuss Supplied-Air Respirators, Air Fed Ensembles, and Total Inward Leakage Test for Respirators other than Filtering Facepiece and Half Masks
March 4, 2009 – Notice of Proposed Rulemaking: Reopening of comment period and notice of public meetings: Closed-Circuit Escape Respirators
March 4, 2009 – Notice of Proposed Rulemaking: Reopening of comment period and notice of public meetings: Quality Assurance for Respirators
January 8, 2009 – Personal Protective Technology Program Stakeholders Meeting to be held March 3, 2009
December 02, 2008 – National Personal Protective Technology Laboratory Stakeholder Meeting, December 02, 2008
July 10, 2008 – National Personal Protective Technology Laboratory Stakeholder Meeting, August 20, 2008
January 25, 2008 – National Personal Protective Technology Laboratory Stakeholder Meeting, March 6, 2008
January 17, 2008 – Colors for Respirator Element Labeling
January 8, 2008 – Powered Air-Purifying Respirator (PAPR) Concept Paper
August 30, 2007 – 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 – Time extension to submit comments on the Total Inward Leakage program for half-mask air-purifying particulate filtering respirator certification
May 29, 2007 – TIL Public Meeting
March 1, 2007 – March 22, 2007 Meeting to discuss Long Term Field Evaluation Concept
October 20, 2006 – Time extension to submit comments on the Closed-Circuit Escape Respirators (CCER) Concept Requirements
October 6, 2006 – 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 – CBRN Combination SCBA and CBRN Supplied Air respirator concepts
August 21, 2006 – Closed-Circuit Escape Respirator (CCER) Public Meetings
August 14, 2006 – National Personal Protective Technology Laboratory Public Meeting
November 15, 2005 – December 13, public meeting to discuss concepts for standards for CBRN respirators and multi-function PAPRs
June 23, 2005 – 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)
July 14, 2004 – Public Meeting to be held on August 25, 2004, to Begin Initial Discussions for Concepts of Total Inward Leakage (TIL) Requirements and Test Methods for Halfmask Respirators Including Elastomeric and Filtering Facepiece Styles
June 6, 2003 – Announcement of a Respirator Certification Process Workshop to be Held on June 26, 2003
March 12, 2003 – Announcement of a Meeting to be held April 10, 2003 to Discuss Standards for Multifunction Powered Air-Purifying Respirators (PAPRs)
March 11, 2003 – 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 EnvironmentsLetters to Issued to All Interested Parties - CBRN
	May 9, 2017 – Incorporation of National Fire Protection Association (NFPA) 1986, Standard on Respiratory Protection Equipment for Tactical and Technical Operations, 2017 edition into NIOSH Self-Contained Breathing Apparatus (SCBA) policy statement on “Acceptance of Applications for the Testing and Evaluation of Self-Contained Breathing Apparatus for Use against Chemical, Biological, Radiological and Nuclear Agents”
November 12, 2004 – 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 – Public Meeting May 4, 2004, to Continue Discussions for Powered Air-Purifying Respirator (PAPR) Standards Used for Respiratory Protection Against CBRN Agents
September 24, 2003 – 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 4, 2003 – 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 – Public Meeting to be held on April 29, 2003, to Continue Conceptual Discussions for Escape Respirator Standards Used for Respiratory Protection Against CBRN Agents
September 23, 2002 – 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
May 24, 2002 – 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
							
					
							Last Reviewed:  February 15, 2024						Source: 	National Institute for Occupational Safety and Health
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