Citation

82 FR 54298

Canonical document for this Federal Register citation.

Approval and Promulgation of Air Quality Implementation Plans; Maryland; 2011 Base Year Inventory for the 2008 8-Hour Ozone National Ambient Air Quality Standard for the Maryland Portion of the Philadelphia-Wilmington-Atlantic City Nonattainment Area; Withdrawal Friday, November 17, 2017 82 FR 54298