{"data":{"id":"us/40-cfr-63.6115","jurisdiction":"us","citation":"40 CFR 63.6115","heading":"When must I conduct subsequent performance tests?","body":"Subsequent performance tests must be performed on an annual basis as specified in Table 3 of this subpart.","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 YYYY—National Emission Standards for Hazardous Air Pollutants for Stationary Combustion Turbines"],"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":"25369f697db908cda9449f54a6fb482a6178cfcba81d35650972004e6a6a0876","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.6110","next":"us/40-cfr-63.6120"},"notice":"GroundRules: Original legal text. Not legal advice."}