Energy & environment · 04/08/1994Updated: 10/16/2026 · 1 min read
Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of Tennessee
The US Environmental Protection Agency (EPA) approved the State of Tennessee's maintenance plan and redesignation request for the Memphis and Shelby County area, allowing it to be reclassified from a nonattainment to an attainment area for ozone levels.