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

smoke

Pollution control; Air pollution

A form of air pollution consisting primarily of particulate matter (i.e., particles released by combustion). Other components of smoke include gaseous air pollutants such as hydrocarbons, oxides of ...

inert gas

Pollution control; Air pollution

A gas that does not react with the substances coming in contact with it.

health-based standard

Pollution control; Air pollution

A dosage of air pollution scientifically determined to protect against human health effects such as asthma, emphysema, and cancer.

burn day

Pollution control; Air pollution

A day that is not officially determined by meteorologists and air quality managers to be a no-burn day. Burn days vary by air basin on any given day. For more information, please view our smoke ...

conformity

Pollution control; Air pollution

A demonstration of whether a federally-supported activity is consistent with the State Implementation Plan (SIP) -- per Section 176 (c) of the Clean Air Act. Transportation conformity refers to ...

Office of Environmental Health Hazard Assessment (

Pollution control; Air pollution

A department within the California Environmental Protection Agency that is responsible for evaluating chemicals for adverse health impacts and establishing safe exposure levels. OEHHA also assists in ...

health risk assessment (HRA)

Pollution control; Air pollution

A document that identifies the risks and quantities of possible adverse health effects that may result from exposure to emissions of toxic air contaminants. A health risk assessment cannot predict ...