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Health Risks of Indoor Exposure to Particulate Matter: Workshop Summary


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Note: Proceedings contain the opinion of the presenters, but do NOT reflect the conclusions of the Health and Medicine Division or the National Academies. Learn more about the differences between Reports and Proceedings.

The health effects of outdoor exposure to particulate matter (PM) are the subject of both research attention and regulatory action. Although much less studied to date, indoor exposure to PM—which can result from particles infiltrating from the outdoors and from various indoor sources including candles, cooking, and smoking—is gaining attention as a potential source of adverse health effects. The U.S. Environmental Protection Agency recently commissioned the National Academies of Sciences, Engineering, and Medicine to hold a workshop examining what is known about indoor exposure to PM, examining sources of particles, their interaction with other elements of the indoor environment, exposure levels indoors, potential health concerns, ways to limit exposure, vulnerable populations, and means of communicating exposure risks and strategies to reduce exposures.