Hazardous Air Pollutants
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About Hazardous Air Pollutants
Hazardous air pollutants come from a variety of sources and have a wide range of health effects and environmental impacts.
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Urban Air Toxics
Reducing emissions of urban air toxics has been a priority for EPA since the passage of the Clean Air Act Amendments in 1990.
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Hazardous Air Pollutant Data
EPA uses hazardous air pollutant emissions and ambient monitoring data to develop regulatory programs that limit emissions from stationary sources.