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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.

Contributors in Air pollution

Air pollution

Exhaust gas recirculation (EGR)

Pollution control; Air pollution

An emission control method that involves recirculating exhaust gases from an engine back into the intake and combustion chambers. This lowers combustion temperatures and reduces NO x . (See also ...

Hydrocarbon photochemical reactivity

Pollution control; Air pollution

A term used in the context of air quality management to describe a hydrocarbon's ability to react (participate in photochemical reactions) to form ozone in the atmosphere. Different hydrocarbons ...

Scrubber

Pollution control; Air pollution

An air pollution control device that uses a high energy liquid spray to remove aerosol and gaseous pollutants from an air stream. The gases are removed either by absorption or chemical reaction.

Risk management

Pollution control; Air pollution

An evaluation of the need for and feasibility of reducing risk. It includes consideration of magnitude of risk, available control technologies, and economic feasibility.

Methyl tertiary butyl ether (MTBE)

Pollution control; Air pollution

An ether compound added to gasoline to provide oxygen and enhance complete combustion. MTBE is being phased out of California's gasoline. For more information, please see our website that discusses ...

Reference exposure concentration (RFC)

Pollution control; Air pollution

An estimate, derived by the U. S. EPA with an uncertainty spanning perhaps an order of magnitude) of a daily exposure to the human population, (including sensitive subgroups) that is likely to be ...

Storage tank

Pollution control; Air pollution

Any stationary container, reservoir, or tank, used for storage of liquids.

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