EPA Proposes Approval of Ohio's Air Quality Implementation Plan for PM 2.5 Redesignation

Summary

The US Environmental Protection Agency (EPA) is proposing to approve Ohio's request to redesignate the Ohio portion of the Parkersburg-Marietta area to meet the 1997 annual standard for fine particulate matter (PM 2.5). The proposal is based on the state's plan to maintain the standard through 2022 and is part of the Clean Air Act (CAA) implementation.