Air pollution

Air pollution

Air pollution is the introduction of chemicals, particulates or biological materials into the atmosphere which cause damage to the natural environment and have adverse health affects on organisms.

Industry: Pollution control

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Air pollution

topography

Pollution control; Air pollution

The configuration of a surface, especially the Earth's surface, including its relief and the position of its natural and man-made features.

opacity

Pollution control; Air pollution

The amount of light obscured by particle pollution in the atmosphere. Opacity is used as an indicator of changes in performance of particulate control systems.

energy content

Pollution control; Air pollution

The amount of energy available for doing work. For example, the amount of energy in fuel available for powering a motor vehicle.

The amount of a pollutant that is absorbed. A level of exposure which is a function of a pollutant's concentration, the length of time a subject is exposed, and the amount of the pollutant that is ...

incremental reactivity (IR)

Pollution control; Air pollution

The additional ozone formed in the atmosphere with the incremental addition of a certain amount of a volatile organic compound.

ambient air

Pollution control; Air pollution

The air occurring at a particular time and place outside of structures. Often used interchangeably with "outdoor air. " (See also air. )

National Ambient Air Quality Standards (NAAQS)

Pollution control; Air pollution

Standards established by the United States EPA that apply for outdoor air throughout the country. There are two types of NAAQS. Primary standards set limits to protect public health and secondary ...