Regulation & law · 29/09/2011Updated: 10/17/2026 · 1 min read
EPA Clears Ohio Portion of Huntington/Ashland Area for Transportation Conformity
Summary
The U.S. Environmental Protection Agency (EPA) has determined that the Ohio portion of the Huntington/Ashland area meets the Clean Air Act requirements for fine particulate matter (PM 2.5) and oxides of nitrogen (NO X), allowing it to avoid performing a regional emissions analysis for future PM 2.5 conformity determinations.
Original source language: Federal Register — All DocumentsOpen original release →