{"data":{"id":"us/40-cfr-52.690","jurisdiction":"us","citation":"40 CFR 52.690","heading":"Visibility protection.","body":"(a) The requirements of section 169A of the Clean Air Act are not met, because the plan does not include approvable procedures for protection of visibility in mandatory Class I Federal areas.\n(b)-(c) [Reserved]","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS","Subpart N—Idaho"],"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":"ba346095d589ea39789e6c7074595ba607a7502037ea8cea556e602b3b115e71","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-52.684-52.689","next":"us/40-cfr-52.691"},"notice":"GroundRules: Original legal text. Not legal advice."}