{"data":{"id":"us/40-cfr-63.5992","jurisdiction":"us","citation":"40 CFR 63.5992","heading":"When must I conduct subsequent performance tests?","body":"If you use a control system (add-on control device and capture system) to meet the emission limitations, you must also conduct a performance test at least once every 5 years following your initial compliance demonstration to verify control system performance and reestablish operating parameters or operating limits for control systems used to comply with the emissions limits.","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 XXXX—National Emissions Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing"],"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":"77d51036e8e52e203f53349244da3165d4f785590e96389eb5062581855cc90e","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.5991","next":"us/40-cfr-63.5993"},"notice":"GroundRules: Original legal text. Not legal advice."}