{"data":{"id":"us/40-cfr-63.5840","jurisdiction":"us","citation":"40 CFR 63.5840","heading":"By what date must I conduct a performance test or other initial compliance demonstration?","body":"You must conduct performance tests, performance evaluations, design evaluations, capture efficiency testing, and other initial compliance demonstrations by the compliance date specified in Table 2 to this subpart, with three exceptions. Open molding and centrifugal casting operations that elect to meet an organic HAP emissions limit on a 12-month rolling average must initiate collection of the required data on the compliance date, and demonstrate compliance 1 year after the compliance date. New sources that use add-on controls to initially meet compliance must demonstrate compliance within 180 days after their compliance date.","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 WWWW—National Emissions Standards for Hazardous Air Pollutants: Reinforced Plastic Composites Production"],"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":"5e9b09711f0b03bef4354c4da1bd8ece58f1fae64a855652bb59f753dead27c0","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.5835","next":"us/40-cfr-63.5845"},"notice":"GroundRules: Original legal text. Not legal advice."}