Regulation & law · 19/10/2011
EPA Proposes Approval of Ohio and Indiana Air Quality Plans, Redesignation of Cincinnati-Hamilton Area
The Environmental Protection Agency (EPA) is proposing to approve Ohio's and Indiana's requests to redesignate their portions of the Cincinnati-Hamilton nonattainment area to attainment for the 1997 annual National Ambient Air Quality Standard for fine particulate matter, with the goal of maintaining this standard through 2021.