{"data":{"id":"us/40-cfr-58.3","jurisdiction":"us","citation":"40 CFR 58.3","heading":"Applicability.","body":"This part applies to:\n(a) State air pollution control agencies.\n(b) Any local air pollution control agency to which the State has delegated authority to operate a portion of the State's SLAMS network.\n(c) Owners or operators of proposed sources.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 58—AMBIENT AIR QUALITY SURVEILLANCE","Subpart A—General Provisions"],"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":"accab14fa3185be41f76ac5fa714d9eda6c130e69ccd61fbc3c4c89b4e340223","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-58.2","next":"us/40-cfr-58.10"},"notice":"GroundRules: Original legal text. Not legal advice."}