{"data":{"id":"us/40-cfr-52.833","jurisdiction":"us","citation":"40 CFR 52.833","heading":"Significant deterioration of air quality.","body":"(a) The requirements of sections 160 through 165 of the Clean Air Act are met, except for sources seeking permits to locate on Indian lands in the state of Iowa; and certain sources affected by the stack height rules described in a letter from Iowa dated April 22, 1987.\n(b) Regulations for preventing significant deterioration of air quality. The provisions of § 52.21 except paragraph (a)(1) are hereby incorporated and made a part of the applicable State plan for the State of Iowa for sources wishing to locate on Indian lands; and certain sources as identified in Iowa's April 22, 1987, letter.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS","Subpart Q—Iowa"],"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":"9e6d8719f7446b7f9e190581f2ba7159b5640b9ee9f24085035d9cac1a319b79","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-52.829-52.832","next":"us/40-cfr-52.834"},"notice":"GroundRules: Original legal text. Not legal advice."}