Regulation & law · 01/09/2017Updated: 10/17/2026 · 1 min read
EPA Redesignates Indiana Portion of Cincinnati-Hamilton Area to Attainment of 1997 Fine Particulate Matter Standard
Summary
The Environmental Protection Agency (EPA) has redesignated the Indiana portion of the Cincinnati-Hamilton, OH-IN-KY area to attainment of the 1997 fine particulate matter annual national ambient air quality standard, following a determination that the area is meeting this standard.
Original source language: Federal Register — All DocumentsOpen original release →