Citation

80 FR 59615

Canonical document for this Federal Register citation.

Approval and Promulgation of Air Quality Implementation Plans; Commonwealth of Pennsylvania; Approval of the Base Year Emissions Inventory for the Liberty-Clairton Nonattainment Area for the 2006 24-Hour Fine Particulate Matter Standard and Approval of Transportation Conformity Insignificance Findings for the 1997 Annual and 2006 24-Hour Fine Particulate Matter Standards for the Liberty-Clairton Nonattainment Area Friday, October 2, 2015 80 FR 59615