Energy & environment · 07/10/2010Updated: 10/17/2026 · 1 min read
EPA Approves Tennessee's Plan to Reduce Ozone Pollution in Knoxville Area
Summary
The US Environmental Protection Agency (EPA) has approved Tennessee's plan to redesignate the Knoxville 8-hour ozone nonattainment area to attainment for the 1997 8-hour National Ambient Air Quality Standards (NAAQS), and to approve a State Implementation Plan (SIP) revision containing a maintenance plan for the Knoxville, Tennessee Area.
Original source language: Federal Register — Environmental Protection AgencyOpen original release →