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Rule2025-15990

Determination of Attainment by the Attainment Date; 2008 8-Hour Ozone Standards; California; Sacramento Metro Area

Primary source

Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.

Published
August 21, 2025
Effective
September 22, 2025

Issuing agencies

Environmental Protection Agency

Abstract

The Environmental Protection Agency (EPA) is finalizing our determination that the Sacramento Metro, California area attained the 2008 8-hour ozone national ambient air quality standards (NAAQS) by its December 31, 2024 attainment date. This determination is based on quality-assured and certified ambient air quality monitoring data from 2022 through 2024. We are also finalizing a determination that the requirement for the State to have contingency measures for reasonable further progress (RFP) and attainment for the 2008 ozone NAAQS no longer applies for this area.

Indexed from Federal Register on August 21, 2025.

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.