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