Regulation & law · 21/11/2022Updated: 10/17/2026 · 1 min read
EPA Proposes Approval of North Carolina State Implementation Plan for Ozone NAAQS
Summary
The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan submitted by North Carolina to maintain the 1997 8-hour ozone national ambient air quality standards (NAAQS) in the Charlotte-Gastonia-Rock Hill area through 2034.
Original source language: Federal Register — All DocumentsOpen original release →