{"data":{"id":"us/40-cfr-52.2331","jurisdiction":"us","citation":"40 CFR 52.2331","heading":"Attainment dates for national standards.","body":"The attainment date for the secondary NAAQS for sulfur dioxide for Salt Lake County and portions of Tooele County is December 31, 1994.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 52—APPROVAL AND PROMULGATION OF IMPLEMENTATION PLANS","Subpart TT—Utah"],"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":"88d8e6ae96acd051704d8509d6ade0dd86eb5cf9b027dd751c6712b63ef6eee4","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-52.2325-52.2330","next":"us/40-cfr-52.2332"},"notice":"GroundRules: Original legal text. Not legal advice."}