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

photochemical reaction

Pollution control; Air pollution

A term referring to chemical reactions brought about by the light energy of the sun. The reaction of nitrogen oxides with hydrocarbons in the presence of sunlight to form ozone is an example of a ...

catalyst

Pollution control; Air pollution

A substance that can increase or decrease the rate of a chemical reaction between the other chemical species without being consumed in the process.

oxidant

Pollution control; Air pollution

A substance that brings about oxidation in other substances. Oxidizing agents (oxidants) contain atoms that have suffered electron loss. In oxidizing other substances, these atoms gain electrons. ...

airshed

Pollution control; Air pollution

A subset of air basin, the term denotes a geographical area that shares the same air because of topography, meteorology, and climate.

California Environmental Protection Agency (Cal/EP

Pollution control; Air pollution

A state government agency established in 1991 for unifying environmental activities related to public health protection in the State of California. There are six boards, departments, and offices ...

nonattainment transitional

Pollution control; Air pollution

A subcategory of the nonattainment designation category for state standards that signals progress and implies the area is nearing attainment. Districts with nonattainment-transitional status may ...

ozone

Pollution control; Air pollution

A strong smelling, pale blue, reactive toxic chemical gas consisting of three oxygen atoms. It is a product of the photochemical process involving the sun's energy and ozone precursors, such as ...