Air Plan Approval; Pennsylvania; Redesignation of the Allegheny County Nonattainment Area to Attainment and Approval of the Area’s Maintenance Plan for the 2010 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standard
The Milestone Redesignation of Allegheny County: A Glimpse into Cleaner Future Trends Understanding the Groundbreaking Change The Environmental Protection Agency (EPA) has recently decided to approve a significant change for Allegheny County in Pennsylvania. The approval realigns the county from a nonattainment area to an attainment status concerning the 2010 1-hour primary sulfur dioxide (SO2) … Read more