Citation

78 FR 41752

Canonical document for this Federal Register citation.

Approval and Promulgation of Air Quality Implementation Plans; Ohio; Redesignation of the Ohio Portion of the Steubenville-Weirton Area to Attainment of the 1997 Annual and 2006 24-Hour Standards for Fine Particulate Matter Thursday, July 11, 2013 78 FR 41752