# Approval and Promulgation of State Implementation Plans and Designation of Areas for Air Quality Planning Purposes; California-Coachella Valley
> **Rule** · Final rule. · Published 2003-04-18 · Effective 2003-05-19 · 68 FR 19318
## Document
- **Document number:** 03-9479
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 19318
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-04-18
- **Effective date:** 2003-05-19
- **State:** CA
- **EPA docket:** CA-274-0372
## 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 standard (NAAQS) in the Coachella Valley area and to establish emissions budgets for use in transportation conformity determinations. 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/2003/04/18/03-9479/approval-and-promulgation-of-state-implementation-plans-and-designation-of-areas-for-air-quality)
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