# Approval and Promulgation of Implementation Plans; California Ozone
> **Rule** · Final rule. · Published 1997-01-08 · Effective 1997-02-07 · 62 FR 1150
## Document
- **Document number:** 97-144
- **Category:** air-emissions
- **Federal Register citation:** 62 FR 1150
- **CFR reference:** 40 CFR 52
- **Publication date:** 1997-01-08
- **Effective date:** 1997-02-07
- **State:** CA
- **EPA docket:** CA114-0023
## Abstract

EPA is approving revisions to the California State Implementation Plan (SIP) for ozone for 6 nonattainment areas: South Coast, Southeast Desert, Ventura, Sacramento, San Diego, and San Joaquin Valley. In addition, EPA is approving specific local and statewide air pollution control measures, including the California enhanced motor vehicle inspection and maintenance program. The California Air Resources Board (CARB) submitted these SIP revisions to EPA on November 14, 1994, November 15, 1994, December 28, 1994, December 29, 1994, February 7, 1995, March 30, 1995, January 22, 1996, April 4, 1996, May 17, 1996, June 13, 1996, July 10, 1996, and July 12, 1996. EPA is approving these revisions to the California SIP under provisions of the Clean Air Act (CAA) regarding EPA action on SIP submittals for nonattainment areas. EPA is also establishing a consultative process on the potential for additional mobile source controls that can contribute to attainment in the South Coast, and the Agency is committing to undertake rulemaking on those controls deemed to be appropriate for EPA.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/01/08/97-144/approval-and-promulgation-of-implementation-plans-california-ozone)
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