A new source or facility which does not directly emit air pollutants. For example, a facility with a new parking lot attracts air contaminants from the exhaust of motor vehicles but does not directly emit the emissions from the surface of the parking lot.

Defined in terms of attainment and non-attainment areas for air quality. In attainment areas, a facility or stationary source which emits or is able to emit 100 tons per year (tpy) or more of any criteria air pollutant, or which emits or is able to emit 10 tpy or more of any individual federal hazardous air pollutant, or which emits or is able to e [..]

a permit.

for a permit.

Permit options Permit application forms Permit primer Small Business Environmental Assistance Program

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Air pollution produced when acid chemicals such as sulfur oxides and nitrogen oxides combine with moisture in the air and fall to the Earth as acidic rain, snow, fog, or mist. The main sources of these pollutants are vehicles and industrial and power-generating plants.

The emissions generated by a facility over a specified period of time, taking into account actual operating conditions including any reductions made by a control device or technique.

The portion of the atmosphere external to buildings and which is breathed by the general public.

Refers to being made or generated by a human or caused by human activity. The term is used in the context of global climate change to refer to emissions that are the result of human activities, as well as other possible climate-altering activities such as deforestation or urbanization. Related to Biogenic.