# Approval and Promulgation of Implementation Plans: State of Washington
> **Rule** · Direct final rule. · Published 1997-04-30 · Effective 1997-06-30 · 62 FR 23363
## Document
- **Document number:** 97-11162
- **Category:** air-emissions
- **Federal Register citation:** 62 FR 23363
- **CFR reference:** 40 CFR 52
- **Publication date:** 1997-04-30
- **Effective date:** 1997-06-30
- **State:** WA
- **EPA docket:** WA60-7135a
## Abstract

The Environmental Protection Agency (EPA) approves three revisions to the Washington State Implementation Plan (SIP). EPA is approving the December 3, 1996, revision consisting of an amendment of the State of Washington Department of Ecology (Washington) regulations addressing the use of oxygenated fuel in the Central Puget Sound carbon monoxide (CO) maintenance area in the Motor Fuel Specifications for Oxygenated Gasoline, Chapter 173-492 WAC (Docket # WA60-7135). EPA is also approving in this action that portion of a November 26, 1996, revision to the Washington State Implementation Plan consisting of an amendment of local air pollution control regulations submitted by Washington from the Puget Sound Air Pollution Control Agency (PSAPCA) which addresses motor fuel specifications for oxygenated gasoline in the Central Puget Sound CO maintenance area, PSAPCA Regulation II, Section 2.09 (Docket # WA61-7136). EPA is further approving in this action that portion of a December 11, 1996, revision to the Washington State Implementation Plan consisting of an amendment of local air pollution control regulations submitted by Washington from the Southwest Air Pollution Control Authority (SWAPCA) which addresses motor fuel specifications for oxygenated gasoline in the Vancouver, Washington CO maintenance area, SWAPCA 492 (Docket #WA63-7138).

## Source
- [Federal Register document](https://www.federalregister.gov/documents/1997/04/30/97-11162/approval-and-promulgation-of-implementation-plans-state-of-washington)
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