On April 6, 2022, the United States Environmental Protection Agency (EPA) published a proposed rule in the Federal Register that would build on its existing Cross-State Air Pollution Rule (CSAPR) program by limiting further the emission of nitrogen oxides (NOx) from stationary sources located in 26 states. 87 Fed. Reg. 20,036 (Apr, 6, 2022). The proposal would implement EPA’s 2015 National Ambient Air Quality Standards (NAAQS) for ozone of 70 parts per billion by imposing Federal Implementation Plans (FIPs) on specified states pursuant to its authority under the “good neighbor” requirements of section 110(a)(2)(D)(i)(I) of the Clean Air Act. This provision requires upwind states to prevent sources located within their borders from contributing significantly to nonattainment or interfering with maintenance of the NAAQS in downwind states.
Continue Reading EPA Proposes Groundbreaking New Transport Rule for Ozone Air Pollution
