{"data":{"id":"us/40-cfr-52.2371","jurisdiction":"us","citation":"40 CFR 52.2371","heading":"Classification of regions.","body":"The Vermont plan was evaluated on the basis of the following classifications:\nAir quality control region Pollutant\nParticulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone\nChamplain Valley Interstate II III III III III\nVermont 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 UU—Vermont"],"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":"f989e50cb7800a546e05233fa8ddbaa538f5094677f3b963833af512f4e34a0c","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-52.2370","next":"us/40-cfr-52.2372"},"notice":"GroundRules: Original legal text. Not legal advice."}