An Emission inventory is a list of air pollutants emitted into a community's, state's, nation's, or the Earth's atmosphere in amounts per some unit time (e.g. day or year) by type of source. An emission inventory has both political and scientific applications.

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Average ■■■■■■■
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Dust ■■■■■
In the environmental context, "dust" refers to tiny solid particles suspended in the air. These particles . . . Read More
Health ■■■■■
Health in the environmental context refers to the state of well-being and the absence of harm or illness . . . Read More
ASPEN model ■■■■■
An ASPEN (Assessment System for Population Exposure Nationwide) model: is a computer simulation model . . . Read More
Nonattainment Area: ■■■■■
Nonattainment Area:: A Nonattainment Area is a region in which the level of a Criteria Air Pollutant . . . Read More
Vapor ■■■■■
In the environmental context, 'vapor' refers to the gaseous form of a substance that is typically in . . . Read More
Ozone hole ■■■■■
Ozone hole: An ozone hole is a hole or gap in the protective layer of ozone in the upper atmosphereAn . . . Read More
Spirometry ■■■■
A Spirometry is a medical test that measures how well the lungs exhale. The information gathered during . . . Read More
Peak power ■■■■
A Peak power is Power generated by a utility unit that operates at a very low capacity factorgenerally . . . Read More
Mobile source ■■■■
Mobile source: A mobile source is any motorized vehicle is a mobile source of air pollution. Automobiles, . . . Read More