A Primer on New Source Review and Strategies for Success
New Source Review for the Prevention of Significant Deterioration
Air pollutants affect both human health and the health of ecosystems. The U.S. Congress enacted the Clean Air Act (CAA) to try to reduce harmful air pollutants and protect health. While enacting the 1977 CAA Amendments, Congress recognized, based on a court case, that something must be done to keep clean air clean, rather than allow it to deteriorate and then attempt to clean it. Hence, the prevention of significant deterioration (PSD) program was developed. The PSD program places stringent limitations and restrictions on sources located in areas designated as "in attainment" with the national ambient air quality standards (NAAQS), which set limits on the amount of certain pollutants that may be emitted in a given area.