Energy & environment · 20/06/2025Updated: 10/16/2026 · 1 min read
EPA Accepts Comment on Missouri Portion of St. Louis Nonattainment Area for 2015 Ozone NAAQS
Summary
The Environmental Protection Agency (EPA) is accepting comment on a determination that the Missouri portion of the St. Louis, MO-IL bi-state nonattainment area failed to attain the 2015 8-hour ozone National Ambient Air Quality Standards (NAAQS) by the applicable attainment date.
Original source language: Federal Register — Environmental Protection AgencyOpen original release →