Regulation & law · 28/10/2021Updated: 10/17/2026 · 1 min read
EPA Reclassifies California Ozone Nonattainment Areas to Serious
Summary
The Environmental Protection Agency (EPA) is reclassifying three California areas, Eastern Kern, Sacramento Metro, and Western Nevada, from Moderate to Serious ozone nonattainment areas under the Clean Air Act, requiring additional revisions to the California State implementation plan.
Original source language: Federal Register — All DocumentsOpen original release →