{"data":{"id":"us/40-cfr-62.9642","jurisdiction":"us","citation":"40 CFR 62.9642","heading":"Effective dates.","body":"(a) The effective date of the submitted 1998 111(d)/129 plan is October 22, 1999.\n(b) The effective date of the submitted 2000 111(d)/129 plan revision is October 4, 2001.","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 NN—Pennsylvania"],"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":"c6181e4fad6fedd6fdb3a86a42da55d674a8277733f0b1b7187f147e9296dd47","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-62.9641","next":"us/40-cfr-62.9643"},"notice":"GroundRules: Original legal text. Not legal advice."}