Citation

81 FR 69687

Multiple canonical documents share this first-page citation.

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Philadelphia County Reasonably Available Control Technology Under the 1997 8-Hour Ozone National Ambient Air Quality Standards Friday, October 7, 2016 81 FR 69687
Approval and Promulgation of Air Quality Implementation Plans; Texas; Infrastructure Requirements for Consultation With Government Officials, Public Notification and Prevention of Significant Deterioration and Visibility Protection for the 2008 Ozone and 2010 Nitrogen Dioxide National Ambient Air Quality Standards Friday, October 7, 2016 81 FR 69685
Federal Register Vol. 81, No.195, October 7, 2016 Friday, October 7, 2016 81 FR 69687