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Maine Department of Environmental Protection (DEP)
Bureau of Air Quality
Comparison: State vs. Federal
• Rules. All new or modified sources of air pollution in Maine are required to obtain a construction permit, referred to as an air emissions license. Major sources must comply with the provisions of nonattainment New Source Review (NSR) and/or Prevention of Significant Deterioration (PSD) for construction or modification permits, depending on the pollutants emitted and the attainment status of the area where the source is located.
Maine does not have separate construction and operating permit programs. By obtaining an air emissions license a source is permitted to construct ...