EPA to Release Draft Policy Assessment for Review of Secondary National Ambient Air Quality Standards for Oxides of Nitrogen, Oxides of Sulfur and Particulate Matter

Summary

The Environmental Protection Agency (EPA) will release a draft document, Draft Policy Assessment for the Review of the Secondary National Ambient Air Quality Standards for Oxides of Nitrogen, Oxides of Sulfur and Particulate Matter--External Review Draft (PA), for public comment on or about May 31, 2023. The document aims to bridge the gap between scientific information and Administrator judgments in determining whether to retain or revise existing air quality standards.