Preventing Significant Deterioration Under the Clean Air Act: The BACT Requirement and BACT Definition
Major emitting facilities are required to comply with BACT standards for each pollutant subject to regulation under the CAA. This requirement—initially thought to be inconsequential—has now become a dominant feature of the PSD program, for the first time subjecting greenhouse gas emissions from stationary sources to federally mandated pollution control standards. This Article is the fifth in a series on the CAA’s complex PSD program.