Federal brief

Clean Data Determination; 1997 8-Hour Ozone Standards; California; Sacramento Metro Area

The U.S. Environmental Protection Agency (EPA or "Agency") is proposing to issue a clean data determination (CDD) for the Sacramento Metro, California nonattainment area to reflect our finding that the area is attaining the 1997 8-hour ozone national ambient air quality standards (NAAQS or "standards"). This finding is based on quality-assured and certified ambient air quality monitoring data from 2023 through…

Source: the official public federal record 2026-18755 · Sourced from Federal Register · 2026-18755.

This is a Notice Nearby publisher-desk Federal brief — a short in-house summary of a public federal filing. It is not official agency minutes, not a newspaper story, and not Legal Publication. It does not satisfy a statutory notice requirement.