{"data":{"id":"us/40-cfr-63.8435","jurisdiction":"us","citation":"40 CFR 63.8435","heading":"By what date must I conduct performance tests?","body":"For each affected kiln that is subject to the emission limits specified in Table 1 to this subpart, you must conduct performance tests within 180 calendar days after the compliance date that is specified for your source in § 63.8395 and according to the provisions in § 63.7(a)(2).","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 JJJJJ—National Emission Standards for Hazardous Air Pollutants for Brick and Structural Clay Products 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":"c1201124ca89fb001259791812a75c46aac11ad5ed6e712575189ee7ee88f679","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.8425","next":"us/40-cfr-63.8440"},"notice":"GroundRules: Original legal text. Not legal advice."}