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Hazardous Air Pollutants

Hazardous air pollutants are those known to cause cancer and other serious health impacts.  The Clean Air Act requires the EPA to regulate toxic air pollutants, also known as air toxics, from categories of industrial facilities in two phases.

About Hazardous Air Pollutants

  • What are Hazardous Air Pollutants?
  • Health and Environmental Effects
  • Sources and Exposure
  • Reducing Emissions
  • Air Toxics Strategy

Urban Air Toxics

  • Urban Air Toxics Home
  • About Urban Air Toxics
  • Integrated Urban Air Toxics Strategy

Air Toxics Data

  • Air Toxics Data Update

Controlling Air Pollution from Stationary Sources

  • Stationary Sources of Air Pollution

Related Information

  • Clean Air Act
  • Criteria Air Pollutants
  • Permitting Under the Clean Air Act
  • Technical Air Pollution Resources
  • Visibility and Haze
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on February 18, 2022
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