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

acute exposure

Pollution control; Air pollution

One or a series of short-term exposures generally lasting less than 24 hours.

polycyclic aromatic hydrocarbons (PAHS)

Pollution control; Air pollution

Organic compounds which include only carbon and hydrogen with a fused ring structure containing at least two benzene (six-sided) rings. PAHs may also contain additional fused rings that are not ...

A mineral fiber that can pollute air or water and cause cancer or asbestosis when inhaled. The U. S. EPA has banned or severely restricted its use in manufacturing and construction and the ARB has ...

deciview

Pollution control; Air pollution

A measurement of visibility. One deciview represents the minimal perceptible change in visibility to the human eye.

coefficient of haze (COH)

Pollution control; Air pollution

A measurement of the quantity of dust and smoke in the atmosphere in a theoretical 1,000 linear feet of air. A COH of less than three is considered clean air and more than five is of some concern. ...

visibility

Pollution control; Air pollution

A measurement of the ability to see and identify objects at different distances. Visibility reduction from air pollution is often due to the presence of sulfur and nitrogen oxides, as well as ...