Energy & environment · 20/05/2022Updated: 10/17/2026 · 1 min read
EPA Approves Indiana's Air Plan for Attainment of 2008 Ozone Standard
Summary
The Environmental Protection Agency (EPA) has approved Indiana's air plan, which includes redesignation of the Indiana portion of the Chicago-Naperville area to attainment of the 2008 ozone National Ambient Air Quality Standard (NAAQS), as well as a waiver from NOX requirements and approval of emission budgets and control technology programs.