Air Plan Approval; Michigan; Sulfur Dioxide Clean Data Determination for St. Clair

Publication Date: 
Tuesday, August 17, 2021 - 4:00am

The Environmental Protection Agency (EPA) is proposing to make a determination that the St. Clair sulfur dioxide (SO<INF>2</INF>) nonattainment area has attained the 2010 primary SO<INF>2</INF> National Ambient Air Quality Standard (2010 SO<INF>2</INF> NAAQS). If finalized, this determination would suspend certain requirements for the nonattainment area for as long as the area continues to attain the 2010 SO<INF>2</INF> NAAQS.

Environmental Protection Agency