Regulation & law · 05/11/1999Updated: 10/17/2026 · 1 min read
EPA Rescinds Findings on 1-Hour Ozone Standard in Certain Areas
Summary
The Environmental Protection Agency (EPA) has proposed to rescind its prior findings that the 1-hour ozone national ambient air quality standard no longer applies in certain areas, reinstating previous designations and classifications.
Original source language: Federal Register — All DocumentsOpen original release →