Although a bit outside our normal NSR-centered view, we thought that we would highlight recent developments with the PM2.5 and Ozone NAAQS that may affect NSR practitioners moving forward. Ozone NAAQS On October 29, 2021, the EPA filed a notice in State of New York v. EPA, No. 21-1028 (D.C. Cir.), a petition for review brought by several states challenging the Trump EPA’s decision not to revise the ozone NAAQS, stating that “Respondents United States Environmental Protection… click here to read more. |