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This page provides information about air pollutant emissions from aviation. It includes regulations, guidance, and other information related to aircraft.

NOx Emissions from Commercial Aircraft Engines

Lead Emissions from Piston-Engine Aircraft Using Leaded Aviation Gasoline

EPA is evaluating the impact of lead emissions from aircraft using leaded aviation gasoline on public health and welfare. In 2006, Friends of the Earth petitioned EPA, requesting that the Administrator find that aircraft lead emissions cause or contribute to air pollution which may reasonably be anticipated to endanger public health or welfare, and that EPA regulate those emissions. The following documents include the petition and EPA’s subsequent actions.

In separate activities related to the National Ambient Air Quality Standards for lead, EPA finalized revisions to the ambient monitoring requirements for measuring lead in the air on December 14, 2010. These amendments expand the nation's lead monitoring network to better assess compliance with the 2008 National Ambient Air Quality Standards for lead. EPA will continue to monitor at airports emitting at least one ton of lead per year. EPA will also require the states to conduct a year-long monitoring study at 15 airports that emit less than one ton to determine how these sources impact air quality.

The following documents provide information on inventory documentation and additional data:

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