Citation
89 FR 99790
Multiple canonical documents share this first-page citation.
- Air Plan Approval; Pennsylvania; Redesignation of the Allegheny County Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan for the 2010 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standard 89 FR 99790
- Air Plan Conditional Approval; California; Bay Area Air Quality Management District 89 FR 99790