Significant deterioration

Significant Deterioration: Pollution resulting from a new source in previously "clean" areas. (see Prevention of Significant Deterioration) ...

Prevention of Significant Deterioration
PSES
Pretreatment Standards for Existing Sources ...

Prevention of Significant Deterioration (PSD): A permitting program for new and modified stationary sources of air pollution located in an area that attains or is unclassified for national ambient air quality standards (NAAQS).

Prevention of Significant Deterioration
These are federal regulations concerning air pollution. It states that there is no significant deterioration of air quality in a region from a new source of pollutants.
Primary Consumer ...

Prevention of significant deterioration A construction air pollution permitting program designed to ensure that air quality does not degrade beyond the national ambient air quality standard levels or beyond specified incremental amounts above a ...

Prevention of Significant Deterioration (PSD) - an EPA program in which state and/or federal permits are required to restrict emissions in areas that meet federal standards for criteria pollutants
Q
R ...

Term used to determine the applicability of Prevention of Significant Deterioration and new source regulations.

major stationary sources Term used to determine the applicability of Prevention of Significant Deterioration (PSD) and new source regulations.

" Its primary application is through Prevention of Significant Deterioration permits to regulate new potentially polluting facilities. Of increasing importance are the National Emissions Standards for Hazardous Air Pollutants (NESHAPs).

See also: Emission, Emissions, Air, Standards, Discharge