Health Risks of Indoor Exposure to Particulate Matter Workshop Summary (2016) / Chapter Skim
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1 Introduction
1 Introduction
Pages 1-6
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Although much less studied to date, indoor exposure to PM is gaining attention as a potential source of adverse health effects. Indoor PM can originate from outdoor particles and also from various indoor sources, including heating, cooking, and smoking.
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In the latter case, the major air processes in the outdoor environment include sulfur oxides becoming particulate sulfate, nitrogen oxides becoming particulate nitrate, ammonia becoming ammonium in combining with nitrate and sulfate, and organic gases that become oxidized in the atmosphere into species with lower volatility and higher polarity. Coarse particles tend to be mechanically generated from such sources as crustal elements, tire and brake wear, and sea salt near the coasts (Masri et al., 2015)
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"Providing information to the public on significant sources of indoor PM and how to reduce exposures is part of our ongoing work," Rowson said. However, given the growing body of literature related to indoor PM and because EPA was already aware that a number of indoor sources of PM present public health risks, his office commissioned the National Academies of Sciences, Engineering, and Medicine to hold a workshop examining the issue of indoor exposure to PM more comprehensively and considering both the health risks and possible intervention strategies.
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was organized by an independent planning committee in accordance with the procedures of the National Academies of Sciences, Engineering, and Medicine. The planning committee members were Terry Brennan, Richard Corsi, Howard Kipen, William Nazaroff (Chair)
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The workshop summary was drafted by rapporteur Joe Alper in collaboration with Academies staff members David A Butler and Guru Madhavan as a factual summary of what occurred at the workshop.
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