Stationary Sources of Air Pollution
Industry and Regulatory Action
![Regulatory Actions for Stationary Engines](/sites/default/files/styles/large/public/2016-08/regulatory-actions.jpg?itok=CvALn64z)
Guidance and Assistance
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Stationary sources of air pollution, including factories, refineries, boilers, and power plants, emit a variety of air pollutants. The Clean Air Act directs EPA to control these emissions by developing and implementing standards and guidelines.