Environmental Protection Agency August 3, 2022 – Federal Register Recent Federal Regulation Documents

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the Northern Sierra Air Quality Management District (NSAQMD or ``District'') portion of the California State Implementation Plan (SIP). This revision concerns NSAQMD's demonstration regarding reasonably available control technology (RACT) requirements and negative declarations for the 2015 8-hour ozone national ambient air quality standards (NAAQS or ``standards'') in the Western Nevada County ozone nonattainment area, which is under the jurisdiction of the District.