A major stationary source is a source that emits more than a certain amount of a
pollutant
A pollutant or novel entity is a substance or energy introduced into the environment that has undesired effects, or adversely affects the usefulness of a resource. These can be both naturally forming (i.e. minerals or extracted compounds like o ...
as defined by the
U.S. Environmental Protection Agency
The Environmental Protection Agency (EPA) is an Independent agencies of the United States government, independent executive agency of the United States federal government tasked with environmental protection matters. President Richard Nixon pro ...
(EPA).
The amount of pollutants allowed for certain new sources is defined by the EPA's
New Source Performance Standard New Source Performance Standards (NSPS) are pollution control standards issued by the United States Environmental Protection Agency (EPA). The term is used in the Clean Air Act Extension of 1970 (CAA) to refer to air pollution emission standards ...
s (NSPRS).
A stationary source in air quality terminology is any fixed emitter of air pollutants, such as
fossil fuel burning
power plant
A power station, also referred to as a power plant and sometimes generating station or generating plant, is an industrial facility for the electricity generation, generation of electric power. Power stations are generally connected to an el ...
s,
petroleum refineries,
petrochemical plants,
food processing plants and other heavy industrial sources.
A mobile source in air quality terminology is a non-stationary source of air pollutants, such as automobiles, buses, trucks, ships, trains, aircraft and various other vehicles.
See also
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Air pollution dispersion terminology
In environmental science, air pollution dispersion is the distribution of air pollution into the atmosphere. ''Air pollution'' is the introduction of particulates, biological molecules, or other harmful materials into Earth's atmosphere, causing ...
*
Atmospheric dispersion modeling
Atmospheric dispersion modeling is the mathematical simulation of how air pollutants disperse in the ambient atmosphere. It is performed with computer programs that include algorithms to solve the mathematical equations that govern the pollutant ...
*
AP 42 Compilation of Air Pollutant Emission Factors
The ''AP 42 Compilation of Air Pollutant Emission Factors'' is a compilation of the US Environmental Protection Agency (EPA)'s emission factor information on air pollution, first published in 1968. , the last edition is the 5th from 2010.
Histo ...
*
Lowest Achievable Emissions Rate
References
{{DEFAULTSORT:Major Stationary Source
United States Environmental Protection Agency
Atmospheric dispersion modeling