{"data":{"id":"us/40-cfr-52.521","jurisdiction":"us","citation":"40 CFR 52.521","heading":"Classification of regions.","body":"The Florida plan was evaluated on the basis of the following classifications:\nAir quality control region Pollutant\nParticulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Photochemical oxidants (hydrocarbons)\nMobile (Alabama)-Pensacola-Panama City (Florida)-Southern Mississippi Interstate I I III III I\nJacksonville (Florida)-Brunswick (Georgia) Interstate I II III III I\nWest Central Florida Intrastate I I III III III\nCentral Florida Intrastate II III III III III\nSouthwest Florida Intrastate III III III III III\nSoutheast Florida Intrastate II III III III III","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS","Subpart K—Florida"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"fa7d587a2ca7843d2d1243f93586a9a59e2c4800bb8c4ef05ea6ae59e0625863","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-52.520","next":"us/40-cfr-52.522"},"notice":"GroundRules: Original legal text. Not legal advice."}