{"data":{"id":"us/40-cfr-52.2821","jurisdiction":"us","citation":"40 CFR 52.2821","heading":"Classification of regions.","body":"The American Samoa 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)\nAmerican Samoa III 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 DDD—American Samoa"],"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":"38f797edae0aec0419db732123677842ebbfcd0b3fe2a9cc07ae8f9f1c6e66ed","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-52.2820","next":"us/40-cfr-52.2822"},"notice":"GroundRules: Original legal text. Not legal advice."}