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

sulfur dioxide

Pollution control; Air pollution

(SO 2 ) A strong smelling, colorless gas that is formed by the combustion of fossil fuels. Power plants, which may use coal or oil high in sulfur content, can be major sources of SO 2 . SO 2 and ...

major source

Pollution control; Air pollution

A stationary facility that emits a regulated pollutant in an amount exceeding the threshold level depending on the location of the facility and attainment with regard to air quality status. (See ...

congestion management program

Pollution control; Air pollution

A state-mandated program (California Government Code Section 65089a) that requires each county to prepare a plan to relieve congestion and reduce air pollution.

reformulated gasoline predictive model

Pollution control; Air pollution

A set of mathematical equations that predict the emissions likely to occur from the combustion of a given formulation of gasoline. For more information, please go to our predictive model website ...

A program that permits air district and local governments to allocate vehicle registration surcharge fees to projects that reduce motor vehicle emissions such as zero-emission vehicles, bike lanes, ...

emission offsets

Pollution control; Air pollution

A rule-making concept whereby approval of a new or modified stationary source of air pollution is conditional on the reduction of emissions from other existing stationary sources of air pollution. ...

ringelmann chart

Pollution control; Air pollution

A series of charts, numbered 0 to 5, that simulate various smoke densities by presenting different percentages of black. A Ringelmann No. 1 is equivalent to 20 percent black; a Ringelmann No. 5 is ...