# Approval and Promulgation of Implementation Plans; California State Implementation Plan Revision, Sacramento Metropolitan Air Quality Management District
> **Rule** · Direct final rule. · Published 1998-11-09 · Effective 1999-01-08 · 63 FR 60214
## Document
- **Document number:** 98-29965
- **Category:** air-emissions
- **Federal Register citation:** 63 FR 60214
- **CFR reference:** 40 CFR 52
- **Publication date:** 1998-11-09
- **Effective date:** 1999-01-08
- **State:** CA
- **EPA docket:** CA 210-0103a FRL-6185-1
## Abstract

EPA is taking direct final action on revisions to the California State Implementation Plan. This action is an administrative change which revises the definition of volatile organic compounds (VOC) and updates the Exempt Compound list in rules from the Sacramento Metropolitan Air Quality Management District (SMAQMD). The intended effect of approving this action is to incorporate changes to the definition of VOC and to update the Exempt Compound list in SMAQMD rules to be consistent with the revised federal and state VOC definitions.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1998/11/09/98-29965/approval-and-promulgation-of-implementation-plans-california-state-implementation-plan-revision)
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