This product is a zip file that contains files that consist of PowerPoint slides synchronized with the audio-recording of the speaker, PDF files of the slides, and audio only (mp3 format) as noted.

COVID-19 has crucially influenced decisions about proper indoor air filtration levels to secure occupant health. This seminar has two objectives. First, it provides information on filter effectiveness to prevent transmission of airborne COVID-19 particles. Second, it describes new performance standards for portable air cleaners.

1. Effectiveness of HVAC Filters and Room Air Purifiers at Mitigating Indoor Particulate Matters< /br> John Zhang, Ph.D., Member, 3M, St. Paul, MN
2. Modeling the Transmission Risk and Control of COVID-19 in Indoor Environments< /br> Parham Azimi, Ph.D., HFDP, Harvard T.H. Chan School of Public Health, Boston, MA
3. Standard Development Activities in North America Associated with Portable Air Cleaner Device Capabilities to Mitigate Potential Health Risks< /br> Randall Cooper, Ph.D., HFDP, Association of Home Appliance Manufacturers, Washington, DC
4. Navigating the Landscape of Air Cleaning to Address COVID-19 in Buildings< /br> Elliott Gall, Ph.D., Portland State University, Portland, OR