# Interim Final Determination To Stay and Defer Sanctions; California; Sacramento Metro Area
> **Rule** · Interim final determination. · Published 2025-03-21 · Effective 2025-03-21 · 90 FR 13288
## Document
- **Document number:** 2025-04790
- **Category:** air-emissions
- **Federal Register citation:** 90 FR 13288
- **CFR reference:** 40 CFR 52
- **Publication date:** 2025-03-21
- **Effective date:** 2025-03-21
- **State:** CA
- **EPA docket:** EPA-R09-OAR-2025-0070
## Abstract

The Environmental Protection Agency (EPA) is making an interim final determination to stay and defer the imposition of sanctions under the Clean Air Act (CAA), based on a proposed determination that the Sacramento Metro area has attained the 2008 8-hour ozone national ambient air quality standards (NAAQS) by its December 31, 2024, attainment date. The proposed determination of attainment is published elsewhere in this issue of the Federal Register.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2025/03/21/2025-04790/interim-final-determination-to-stay-and-defer-sanctions-california-sacramento-metro-area)
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