Citation

72 FR 40746

Canonical document for this Federal Register citation.

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Attainment Determination, Redesignation of the Franklin County Ozone Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan and 2002 Base-Year Inventory Wednesday, July 25, 2007 72 FR 40746