# Approval and Promulgation of State Implementation Plans; California-South Coast
> **Rule** · Final rule. · Published 2003-04-18 · Effective 2003-05-19 · 68 FR 19316
## Document
- **Document number:** 03-9478
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 19316
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-04-18
- **Effective date:** 2003-05-19
- **State:** CA
- **EPA docket:** CA-274-0371
## Abstract

EPA is taking final action to approve state implementation plan (SIP) revisions submitted by the State of California to provide for attainment of the particulate matter (PM-10) national ambient air quality standards (NAAQS) in the Los Angeles-South Coast Air Basin Area and to establish emissions budgets for purposes of transportation conformity. EPA is also granting the State's request for an extension of the PM-10 attainment deadline to December 31, 2006.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/04/18/03-9478/approval-and-promulgation-of-state-implementation-plans-california-south-coast)
---
*AI Analytics · CC0 1.0*