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

Reciprocating internal combustion engine

Pollution control; Air pollution

An engine in which air and fuel are introduced into cylinders, compressed by pistons and ignited by a spark plug or by compression. Combustion in the cylinders pushes the pistons sequentially, ...

Chlorofluorocarbons (CFCS)

Pollution control; Air pollution

Any of a number of substances consisting of chlorine, fluorine, and carbon. CFCs are used for refrigeration, foam packaging, solvents, and propellants. Visit the Cal/EPA website for more information.

Visibility reducing particles (VRP)

Pollution control; Air pollution

Any particles in the atmosphere that obstruct the range of visibility.

Indirect source

Pollution control; Air pollution

Any facility, building, structure, or installation, or combination thereof, which generates or attracts mobile source activity that results in emissions of any pollutant (or precursor) for which ...

Any material, except pure water, that exists in the solid or liquid state in the atmosphere. The size of particulate matter can vary from coarse, wind-blown dust particles to fine particle combustion ...

Flexible fuel vehicle (FFV)

Pollution control; Air pollution

Vehicles that can use a combination of fuels such as alcohol fuel and unleaded gasoline.

New source performance standards (NSPS)

Pollution control; Air pollution

Uniform national EPA air emission standards that limit the amount of pollution allowed from new sources or from modified existing sources. For more information, please go to our Title V website.