Conformity Assessment Notices and Letters to Manufacturers and Interested Parties
Updated August 21, 2020
NIOSH Respiratory Protective Device Information
Guidance documents developed to inform respiratory protective device users.
CA 2020-1028 – Information regarding damaged or degraded head straps on previously stockpiled NIOSH-approved filtering facepiece respirators
CA 2018-1006-R1 – 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 16320external icon
NIOSH Conformity Assessment Notice
Document 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 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 16320external icon
CA 2018-1002 – Intra-Laboratory Comparison of LabVIEW™ Data Acquisition Software to replace use of the Gould RS3200 Strip Chart Recorder
NIOSH Conformity Assessment Interpretation
An 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 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
NIOSH Conformity Assessment Letter to Manufacturers
Documents formerly referred to as Letters to All Manufacturers.
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-2019-1018 – 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 2018-1008 – 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 Approvals
NIOSH Conformity Assessment Meeting
A meeting announcement to advertise date, time and attendance instructions for interested parties.
CA 2018-1004 – Meeting with Respirator Manufacturers, August 7, 2018, 9AM – 2PM EST, NIOSH Pittsburgh Facility, Building 140 Multipurpose Room