Energy & environment · 14/08/2023Updated: 10/16/2026 · 1 min read
EPA Proposes Approval of Wyoming's Plan to Address Interstate Transport of Air Pollution
Summary
The Environmental Protection Agency (EPA) is proposing to approve a portion of Wyoming's State Implementation Plan (SIP) addressing interstate transport of air pollution for the 2015 8-hour ozone national ambient air quality standards (NAAQS). The proposal also withdraws a prior disapproval of the interstate transport portion of the Wyoming SIP submission.