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UFP Advisory Group Meeting Minutes: August 8, 2022

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A University of Washington research team presented findings to a community advisory group showing that HEPA air purifiers in classrooms near Sea-Tac Airport reduced ultrafine particle (UFP) levels from 50% down to just 10% of outdoor concentrations. The meeting, held August 8, 2022, also covered a small pilot health study suggesting short-term cardiovascular and respiratory differences in people exposed to aircraft UFPs while walking under flight paths. Participants from government agencies, community organizations, and public health departments discussed next steps including expanded outdoor monitoring, wildfire response planning, and potential new funding through the HEAL Act.

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Meeting minutes of the Ultrafine Particle (UFP) Advisory Group held August 8, 2022, covering indoor air quality research and aircraft impacts on schools near Sea-Tac Airport. Key topics include Phase I findings from the MOV-UP study showing 50% UFP infiltration reduction to 10% with HEPA air purifiers in classrooms, Principal Component Analysis (PCA) of particle sources including aircraft exhaust and vehicle emissions, black carbon and CO2 measurements, and a pilot crossover study on short-term cardiorespiratory health effects of aircraft UFP exposures at SeaTac Community Center using PAPR with HEPA/VOC filters. Attendees include representatives from UW DEOHS, UW CEE, UW Epidemiology, Puget Sound Clean Air Agency (PSCAA), WA State Department of Health, Public Health Seattle King County, EPA Region 10, DRCC, Port of SeaTac, City of SeaTac, Des Moines City Council, Quiet Skies Puget Sound, and Congressman Adam Smith’s office. Phase II activities planned include wildfire response, portable air cleaner (PAC) distribution, Duwamish area outdoor monitoring, and mobile monitoring.

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