{"data":{"id":"us/40-cfr-52.1471","jurisdiction":"us","citation":"40 CFR 52.1471","heading":"Classification of regions.","body":"The Nevada plan is evaluated on the basis of the following classifications:\nAir quality control region Pollutant\nParticulate matter Sulfur oxides Nitrogen dioxide Carbon monoxide Ozone\nLas Vegas Intrastate I III III I I\nNorthwest Nevada Intrastate I III III III III\nNevada Intrastate IA 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 DD—Nevada"],"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":"73a59a6aa4e1e46cf02e0ef81b341d871b373dd49fd321c088685f7103346d67","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-52.1470","next":"us/40-cfr-52.1472"},"notice":"GroundRules: Original legal text. Not legal advice."}