Air Quality State Implementation Plans; Approvals and Promulgations: Ohio; Redesignation of the Ohio Portion of the Cincinnati-Hamilton, OH-IN-KY Area to Attainment of the 1997 Annual Standard for Fine Particulate Matter
Air Quality State Implementation Plans; Approvals and Promulgations: Ohio; Redesignation of the Ohio Portion of the Cincinnati-Hamilton, OH-IN-KY Area to Attainment of the 1997 Annual Standard for Fine Particulate Matter
Source: EPA Regulations news 2
