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

Add a new term

Contributors in Air pollution

Become a Contributors

Air pollution

unit risk number

Pollution control; Air pollution

The number of potential excess cancer cases from a lifetime exposure to one microgram per cubic meter (µ/m 3 ) of a given substance. For example, a unit risk value of 5. 5x10 -6 would indicate an ...

thermosphere

Pollution control; Air pollution

The outermost layer of the Earth's atmosphere extending from about 60 miles to several hundred miles. The temperature of this layer varies from many hundreds to thousands of degrees Celsius.

monitoring

Pollution control; Air pollution

The periodic or continuous sampling and analysis of air pollutants in ambient air or from individual pollution sources.

best available control technology (BACT)

Pollution control; Air pollution

The most up-to-date methods, systems, techniques, and production processes available to achieve the greatest feasible emission reductions for given regulated air pollutants and processes. BACT is a ...

toxic best available control technology (T-BACT)

Pollution control; Air pollution

The most effective emission limitation or control technique which (1) has been achieved in practice for such permit unit category or class of source; or (2) is any other emissions limitation or ...

vehicle miles traveled (VMT)

Pollution control; Air pollution

The miles traveled by motor vehicles over a specified length of time (e.g., daily, monthly or yearly) or over a specified road or transportation corridor.