[pollution] Area sources are sources of pollution which emit a substance or radiation from a specified area. ==Air pollution== For example, area sources of air pollution are air pollutant emission sources which operate within a certain locale. The U.S. Environmental Protection Agency has categorized 70 different categories of air pollution ...
Found on
http://en.wikipedia.org/wiki/Area_source_(pollution)

Widespread origin of
emissions.
Found on
http://sis.nlm.nih.gov/enviro/iupacglossary/glossarya.html

Any source of air pollution that is released over a relatively small area but which cannot be classified as a point source. Such sources may include vehicles and other small engines, small businesses and household activities, or biogenic sources such as a forest that releases hydrocarbons. May be referred to as nonpoint source.
Found on
http://www.encyclo.co.uk/local/21292

Any source of air pollution that is released over a relatively small area but which cannot be classified as a point source. Such sources may include vehicles and other small engines, small businesses and household activities, or biogenic sources such as a forest that releases hydrocarbons.
Found on
https://www.encyclo.co.uk/local/20094
No exact match found.