{"data":{"id":"us/40-cfr-62.5112","jurisdiction":"us","citation":"40 CFR 62.5112","heading":"Effective date.","body":"(a) The effective date of the 111(d)/129 plan is June 22, 1999.\n(b) The plan revision (Phase II) is effective June 9, 2008.\n(c) The plan revision is effective July 30, 2018.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 62—APPROVAL AND PROMULGATION OF STATE PLANS FOR DESIGNATED FACILITIES AND POLLUTANTS","Subpart V—Maryland"],"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":"89980b785ba2e361d0ef8fb14c59d7ea6b0ccd27b03ee8039142e6de52ef7f4c","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-62.5111","next":"us/40-cfr-62.5120"},"notice":"GroundRules: Original legal text. Not legal advice."}