UW Health Schools Healthy Air Presentation

Elena Austin, Timothy Gould, Nancy Carmona, Tim Larson, Edmund Seto Healthy Schools, Healthy Air • Inform schools, districts and state legislators on the current ability of building ventilation systems to effectively remove outdoor sources of particles. • Quantify the current ability of ventilation solutions to remove indoor generated particles. • Identify any additional benefit and cost of in-room filtration and air handling interventions. • Based on the experimental measures in an unoccupied classroom, describe the size fractioned infiltration rates of 1) ultrafine particles of aircraft origin 2) ultrafine particles of traffic origin and 3) wildfire smoke. • Communicate study results to partners. * Funded (50k) by cities of the cities of SeaTac, Burien, Federal Way, Normandy Park and Des Moines Project Timeline and Activities • Developed communication plan with school districts around study goals (January 2021) • Identified 5 schools of interest based on age, proximity to flights and ventilation characteristics February 2021 ) • Measurement Period (March – August 2021) • Measured outdoor air exchange rate • Measured indoor and outdoor pollutants • Evaluated a portable air cleaning unit (HEPA) • Analysis and report back Period • Synthesize Results • Report back • Final Report (December 2021) • Timothy Gould • Edmund Seto • Elena Austin • Timothy Larson • Nancy Carmona • Jeff Shirai Goal • Understand the impact of outdoor air pollution on the air quality indoors – Are outdoor air pollutants significantly removed by current air filtration approaches? – Can indoor air quality be improved through…
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