NIOSH Conformity Assessment Letter to Manufacturers
Subject: Issue Affecting Gas and Vapor Testing for NIOSH Respirator Approvals
This notice has been superseded. For the latest NIOSH guidance on this topic, please see the updated notice:
https://www.cdc.gov/niosh/npptl/resources/pressrel/letters/conformitymanuf/CA-2019-1015.html
https://www.cdc.gov/niosh/npptl/resources/pressrel/letters/conformitymanuf/CA-2019-1015.html
NIOSH CA 2019-1014
March 2019
Issue Affecting Gas and Vapor Testing for NIOSH Respirator Approvals pdf icon[PDF – 133 KB]
Page last reviewed: March 14, 2019
Content source: National Institute for Occupational Safety and Health