{"data":{"id":"us/40-cfr-63.2261","jurisdiction":"us","citation":"40 CFR 63.2261","heading":"By what date must I conduct performance tests or other initial compliance demonstrations?","body":"(a) You must conduct performance tests upon initial startup or no later than 180 calendar days after the compliance date that is specified for your source in § 63.2233 and according to § 63.7(a)(2), whichever is later.\n(b) You must conduct initial compliance demonstrations that do not require performance tests upon initial startup or no later than 30 calendar days after the compliance date that is specified for your source in § 63.2233, whichever is later.","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 DDDD—National Emission Standards for Hazardous Air Pollutants: Plywood and Composite Wood Products"],"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":"58cb53bd1d3f33d0188cf39f0428d6b9bdf5812158c8438405db49285d7bc294","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.2260","next":"us/40-cfr-63.2262"},"notice":"GroundRules: Original legal text. Not legal advice."}