{"data":{"id":"us/40-cfr-52.150","jurisdiction":"us","citation":"40 CFR 52.150","heading":"Yavapai-Apache Reservation.","body":"(a) The provisions for prevention of significant deterioration of air quality at 40 CFR 52.21 are applicable to the Yavapai-Apache Reservation, pursuant to § 52.21(a).\n(b) In accordance with section 164 of the Clean Air Act and the provisions of 40 CFR 52.21(g), the Yavapai-Apache Indian Reservation is designated as a Class I area for the purposes of preventing significant deterioration of air quality.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS","Subpart D—Arizona"],"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":"34f1f0c99c5d3ee4d2480f8e5f9caf0d83fee72890f0436624d736dba0e00c73","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-52.147","next":"us/40-cfr-52.151"},"notice":"GroundRules: Original legal text. Not legal advice."}