{"data":{"id":"us/40-cfr-63.406","jurisdiction":"us","citation":"40 CFR 63.406","heading":"Recordkeeping and reporting requirements.","body":"To demonstrate continuing compliance with § 63.402 of this subpart, the owner or operator of each affected IPCT shall maintain copies of the initial notification and the notification of compliance status as required by § 63.405 of this subpart for a period of at least 5 years onsite.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 63—NATIONAL EMISSION STANDARDS FOR HAZARDOUS AIR POLLUTANTS FOR SOURCE CATEGORIES","Subpart Q—National Emission Standards for Hazardous Air Pollutants for Industrial Process Cooling Towers"],"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":"995b6dfd536c0c03b4c3edbb7fbdc66f026e7de52e3156ac76aa42f74fd86acf","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.405","next":"us/40-cfr-63.407"},"notice":"GroundRules: Original legal text. Not legal advice."}