{"data":{"id":"us/40-cfr-57.505","jurisdiction":"us","citation":"40 CFR 57.505","heading":"Amendments of the NSO.","body":"An NSO shall be amended within three months of submission of any report required under § 57.504 so as to require additional fugitive emission control measures if such report establishes that such additional measures are necessary to assure that the NAAQS will be maintained with a reasonable degree of reliability.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 57—PRIMARY NONFERROUS SMELTER ORDERS","Subpart E—Fugitive Emission Evaluation and Control"],"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":"f278c131f867a7bf879d506459887c5d107e12f01f9d62df21b6027bfe1d3bcd","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-57.504","next":"us/40-cfr-57.601"},"notice":"GroundRules: Original legal text. Not legal advice."}