Feb 3, 2025 · Part number, The mark "NIOSH," and Lot number (location varies; could be on filter, packaging, user instructions). Note that some or most of this mandatory information is missing from …

Jun 6, 2014 · The purpose of this guide is to explain how to select and use new respirators certified by NIOSH. In June 1995, NIOSH updated and modernized the federal regulation for certifying air …

Jan 21, 2025 · NIOSH is the federal agency responsible for testing and approving respirators used in U.S. workplace settings. The easiest way to tell if a product is a NIOSH approved respirator is to …

Feb 3, 2025 · Elastomeric respirators can be used to protect against gases, vapors, or particles. Elastomeric respirators are reusable and can be cleaned and disinfected. Elastomeric respirators …

A Guide to Air-Purifying Respirators Air-purifying respirators (APRs) work by removing gases, vapors, aerosols (airborne droplets and solid par-ticles), or a combination of contaminants from the air …

Feb 3, 2025 · Provides information on identifying and using NIOSH Approved^® filtering facepiece respirators

Feb 18, 2025 · The NIOSH Certified Equipment List (CEL) is a tool to help respirator users, safety managers, industrial hygienists, and others determine if they are using a NIOSH approved respirator. …

NIOSH RESPIRATOR FILTER CLASSES NIOSH classifies the filtering media in respirators based on its resistance to oil and its particle filtering efficiency. The resistance to oil is designated as “N”, “R”, or …

Understanding Filtration Eficiency Testing and Fit Testing in Filtering Facepiece Respirators (FFRs) This fact sheet describes filtration eficiency testing and the proper fit testing procedures for a filtering …

specifications, of Federal Regulations protective respirator devices in Title 42 approval related information. drawings, technical exa mines and the respirators inspects, determine the applicable …