Understanding Airport Air Quality and Public Health Studies Related to Airports (2015) / Chapter Skim
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Pages 22-27
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From page 22... ...
22 C H A P T E R 4 This chapter serves as a primer on understanding potential air pollutant health impacts and health risks. 4.1 Pollutant Health Impacts Overview Each of the pollutants targeted in this report can be categorized as either a criteria pollutant or a hazardous air pollutant (HAP)
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From page 23... ...
Air Quality Health Impacts and Risks 23 Figure 4-1. Severity of health effects versus proportion of people affected.
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From page 24... ...
24 Understanding Airport Air Quality and Public Health Studies Related to Airports throughout the respiratory system. PM with a size range of 10 µm or less are referred to as PM10 and those with a size range of 2.5 µm or less are referred to as PM2.5.
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From page 25... ...
Air Quality Health Impacts and Risks 25 • Dioxins and furans are comprised of a family of toxic substances that are similar in chemical structure and more formally referred to as polychlorinated dibenzo-para-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs)
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From page 26... ...
26 Understanding Airport Air Quality and Public Health Studies Related to Airports incremental health effects of concentration changes. For HAPs, conventional risk assessment differentiates between carcinogenic effects and non-cancer effects, with the presumption that most carcinogens demonstrate low-dose linearity and that most non-cancer health effects display a putative population threshold.
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From page 27... ...
Air Quality Health Impacts and Risks 27 From a population perspective, proximity and prevailing winds clearly influence the population health burden from airport emissions as well, but population density and spatial patterns of at-risk populations also must be considered. For example, pollutants such as fine particulate matter (with significant contributions from secondary formation)
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