{"data":{"id":"us/40-cfr-62.12157","jurisdiction":"us","citation":"40 CFR 62.12157","heading":"Effective date.","body":"(a) The effective date of the plan is June 10, 2003.\n(b) Plan revision #1 is effective October 2, 2009.","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 XX—West Virginia"],"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":"234a5b45dcc2e9c3ae968866ff90e6f03a69e46c6b31188c92ad544db85c1dc3","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-62.12156","next":"us/40-cfr-62.12160"},"notice":"GroundRules: Original legal text. Not legal advice."}