- Sektör: Government
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The act or instance of burning some type of fuel such as gasoline to produce energy. Combustion is typically the process that powers automobile engines and power plant generators.
Industry:Pollution control
Specific points of origin where pollutants are emitted into the atmosphere such as factory smokestacks. (See also Area-Wide Sources and Fugitive Emissions. )
Industry:Pollution control
Sources of air pollution such as automobiles, motorcycles, trucks, off-road vehicles, boats, and airplanes. (See also stationary sources). For more information, please go to our mobile sources portal page.
Industry:Pollution control
Sources of pollution where the emissions are spread over a wide area, such as consumer products, fireplaces, road dust and farming operations. Area-wide sources do not include mobile sources or stationary sources.
Industry:Pollution control
Solid particles under 1 micron in diameter formed as vapors condense, or as chemical reactions take place.
Industry:Pollution control
So called "pure" air is a mixture of gases containing about 78 percent nitrogen; 21 percent oxygen; less than 1 percent of carbon dioxide, argon, and other gases; and varying amounts of water vapor. See also ambient air.
Industry:Pollution control
