# Approval and Promulgation of Air Quality Implementation Plan; Washington
> **Rule** · Final rule. · Published 2003-06-11 · Effective 2003-07-11 · 68 FR 34821
## Document
- **Document number:** 03-14573
- **Category:** air-emissions
- **Federal Register citation:** 68 FR 34821
- **CFR reference:** 40 CFR 52
- **Publication date:** 2003-06-11
- **Effective date:** 2003-07-11
- **State:** WA
- **EPA docket:** Docket # WA-70-7148
## Abstract

Environmental Protection Agency (EPA) is approving most, but not all of the State Implementation Plan (SIP) revisions for visibility submitted by the State of Washington on November 5, 1999. The significant provisions of this SIP revision that we are approving include an improved smoke management plan and the Southwest Air Pollution Control Agency (SWAPCA) emission limitations on the Centralia Power Plant located in central western Washington.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2003/06/11/03-14573/approval-and-promulgation-of-air-quality-implementation-plan-washington)
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