Trending Resources
New! Elastomeric Half Mask Respirator Resources
New! Respirator Exhalation Valve Research
Read the new technical report, Filtering Facepiece Respirators with an Exhalation Valve: Measurements of Filtration Efficiency to Evaluate Their Potential for Source Control.
NPPTL Respirator Assessments to Support the COVID-19 Response
NIOSH Science Blogs
- Overview of The ASTM F3502-21 Barrier Face Covering Standard
- Supplementing the Supply of N95s with Reusable Elastomeric Half Mask Respirators
- Respiratory Protection vs. Source Control – What’s the difference?
- Heat Stress Imposed by PPE Worn in Hot and Humid Environments
- Skin Irritation from Prolonged Use of Tight-Fitting Respirators
- Considerations for Covering N95s to Extend Use
- The Physiological Burden of Prolonged PPE Use on Healthcare Workers during Long Shifts
- Understanding the Use of Imported Non-NIOSH-Approved Respirators
- Scientific studies have shown properly-fitted and worn N95 respirators provide greater protection than surgical masks
- Proper N95 Respirator Use for Respiratory Protection Preparedness
- The Need for Fit Testing During Emerging Infectious Disease Outbreaks
Infographics
- Required Labeling of a NIOSH-Approved N95 Filtering Facepiece Respiratorpdf icon
- Key Factors of Respiratory Protectionpdf icon
- Understanding the Difference: Surgical Masks and N95 Respiratorspdf icon
Instructional and Fact Sheets
- Preparing Solutions for Qualitative Fit Testing from Available Chemicals
- How to Properly Put on or Take off a Disposable Respiratorpdf icon
- Filtering out Confusion: Fit Testingpdf icon
- Filtering out Confusion: User Seal Checkpdf icon
Videos and Recorded Webinars
- Elastomeric Half-Mask Respirator (EHMR) Federal Register Notice (FRN) Webinarexternal icon
- Factors to Consider when Planning to Purchase Respirators from Another Country, Including KN95 Respirators from China
- Respirator Certification – As Vital as the Air We Breatheexternal icon
- What it Means to be NIOSH-Approved: A look into N95 Certification Testingexternal icon
- Donning, Doffing, and User Seal Checks
Other Resources
- Elastomeric Half Mask Respirator Resources
- Respirator Exhalation Valve Research
- Factors to Consider When Planning to Purchase Respirators from Another Country
- Counterfeit Respirators/Misrepresentation of NIOSH-Approval
- Hospital Respiratory Protection Program Toolkit
- CDC’s Strategies for Optimizing the Supply of N95 Respirators
Page last reviewed: April 23, 2021
Content source: National Institute for Occupational Safety and Health