Skip to main content
U.S. flag

An official website of the United States government

Calculating the Fitted Filtration Efficiency of Face Coverings

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Catalog Last Checked: August 03, 2026 at 12:51 AM | Dataset Last Updated: April 08, 2025
This code is used to calculate fitted filtration efficiency of disposable respiratory protection as measured by the difference between particulate counts in ambient vs. "behind mask" air sampled using condensation particulate counters.

Resources

1 resource available

Find Related Datasets

Search by Tags

Click any tag below to search for similar datasets

data.gov

An official website of the GSA's Technology Transformation Services

Looking for U.S. government information and services?
Visit USA.gov