EPA Approves Michigan's Redesignation of Allegan County for 1-Hour Ozone NAAQS

Summary

The United States Environmental Protection Agency (EPA) has determined that Allegan County, Michigan has met the 1-hour ozone National Ambient Air Quality Standard (NAAQS) for three consecutive years, allowing the area to avoid certain Clean Air Act requirements. The EPA is also approving the State of Michigan's request to redesignate Allegan County as an attainment area for the 1-hour ozone NAAQS, effective for the next 10 years.