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Regulation & law · 08/11/2012Updated: 10/17/2026 · 1 min read

EPA Approves Idaho's Regional Haze State Implementation Plan

The Environmental Protection Agency (EPA) has finalized its approval of the State of Idaho's Regional Haze State Implementation Plan, meeting the requirements of the Clean Air Act and federal regional haze regulations.

Original source language: Federal Register — All DocumentsOpen original release →

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