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

aromatic

Pollution control; Air pollution

A type of hydrocarbon, such as benzene or toluene. Some aromatics are toxic.

continuous emission monitor (CEM)

Pollution control; Air pollution

A type of air emission monitoring system installed to operate continuously inside of a smokestack or other emission source.

urban airshed model

Pollution control; Air pollution

A three-dimensional photochemical grid model designed to calculate the concentrations of both inert and chemically reactive pollutants in the atmosphere. It simulates the physical and chemical ...

best available control measure (BACM)

Pollution control; Air pollution

A term used to describe the "best" measures (according to U. S. EPA guidance) for controlling small or dispersed sources of particulate matter and other emissions from sources such as roadway dust, ...

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 ...

reference exposure level (REL)

Pollution control; Air pollution

A term used in risk assessment. It is the concentration at or below which no adverse health effects are anticipated for a specified exposure period.

no-observed-adverse-effect-level (NOAEL)

Pollution control; Air pollution

A term used in risk assessment. An exposure level at which there are no statistically or biologically significant increases in the frequency or severity of adverse effects between an exposed ...