The Certified Equipment List (CEL) is the official listing of all NIOSH Approved® respirators. Search the CEL using the approval number, quick search, or advanced search tabs.

The National Institute for Occupational Safety and Health (NIOSH) conducts research and makes recommendations for the prevention of work-related injury and illness.

NIOSH is a professionally diverse organization with a staff of 1,200 people representing a wide range of disciplines including occupational epidemiology, occupational toxicology, medicine, industrial …

NIOSH Collaboration Drives New Workplace Safety Standards The agency’s research is being integrated into national safety standards to improve worker protection across various industrial sectors.

At no cost to the employer or employees, NIOSH conducts studies of workplaces in response to these requests to learn if workers are exposed to hazardous materials or harmful conditions. Workplace …

National Institute for Occupational Safety and Health (NIOSH) provides resources and information on workplace safety and health.

3 days ago · A recently published health hazard evaluation report describes the findings of NIOSH personnel who responded to concerns regarding potential occupational exposures to polychlorinated …

Apr 17, 2026 · This guidance provides a proposed compliance policy for and information about certain NIOSH approved air-purifying respirators.

Feb 4, 2009 · The NIOSH Coal Workers’ Health Surveillance Program was established by the Federal Coal Mine Health and Safety Act of 1969. The program offers free health screenings for miners and …

Jul 17, 2025 · This document helps healthcare employers identify drugs considered by NIOSH to be hazardous drugs.