{"data":{"id":"us/40-cfr-63.9510","jurisdiction":"us","citation":"40 CFR 63.9510","heading":"By what date must I conduct my initial compliance demonstration?","body":"(a) If you use a solvent recovery system and/or solvent substitution, you must conduct your initial compliance demonstration within 7 calendar days after the compliance date that is specified for your source in § 63.9495.\n(b) If you use a control technique other than a solvent recovery system and/or solvent substitution, you must comply with the provisions in § 63.9570.","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 QQQQQ—National Emission Standards for Hazardous Air Pollutants for Friction Materials Manufacturing Facilities"],"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":"a4d73b98f342b58fd72aa05b11be057e8d9b2da262d7f690225fb8dd65e54ad3","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.9505","next":"us/40-cfr-63.9515"},"notice":"GroundRules: Original legal text. Not legal advice."}