# Air Plan Revisions; California; Yolo-Solano Air Quality Management District
> **Rule** · Final rule. · Published 2023-06-30 · Effective 2023-07-31 · 88 FR 42252
## Document
- **Document number:** 2023-13754
- **Category:** air-emissions
- **Federal Register citation:** 88 FR 42252
- **CFR reference:** 40 CFR 52
- **Publication date:** 2023-06-30
- **Effective date:** 2023-07-31
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2018-0160
## Abstract

The Environmental Protection Agency (EPA) is taking final action to partially approve and partially disapprove a revision to the Yolo-Solano Air Quality Management District (YSAQMD) portion of the California State Implementation Plan (SIP). The revision concerns the YSAQMD's demonstration regarding reasonably available control technology (RACT) requirements for the 2008 8-hour ozone National Ambient Air Quality Standards (NAAQS or "standards") in the portion of the Sacramento Metropolitan nonattainment area under the jurisdiction of the YSAQMD.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/06/30/2023-13754/air-plan-revisions-california-yolo-solano-air-quality-management-district)
---
*AI Analytics · CC0 1.0*