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Energy & environment · 20/01/1994Updated: 10/15/2026 · 1 min read

Approval and Promulgation of Air Quality Implementation Plans; Washington

Summary

The Environmental Protection Agency (EPA) approved a State Implementation Plan (SIP) revision submitted by the State of Washington, implementing an oxygenated gasoline program in five counties.

Original source language: Federal Register — Environmental Protection AgencyOpen original release →

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