Regulation & law · 26/12/2012Updated: 10/17/2026 · 1 min read
EPA Proposes Partial Approval of Washington State's Regional Haze Implementation Plan
Summary
The Environmental Protection Agency (EPA) is proposing to partially approve and partially disapprove a Washington Regional Haze Implementation Plan submitted by the State of Washington, addressing regional haze for the first implementation period and meeting Clean Air Act requirements.
Original source language: Federal Register — All DocumentsOpen original release →