{"data":{"id":"us/40-cfr-63.9910","jurisdiction":"us","citation":"40 CFR 63.9910","heading":"What are my general requirements for complying with this subpart?","body":"(a) You must be in compliance with the emission limitations, work practice standards, and operation and maintenance requirements in this subpart at all times, except during periods of startup, shutdown, and malfunction as defined in § 63.2.\n(b) You must develop a written startup, shutdown, and malfunction plan according to the provisions in § 63.6(e)(3).","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 TTTTT—National Emissions Standards for Hazardous Air Pollutants for Primary Magnesium Refining"],"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":"9fd2f9bd27d6108e5ed3288c96571060e34e8dfdec0284b0e9ec1cc374f33ea8","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-63.9900","next":"us/40-cfr-63.9911"},"notice":"GroundRules: Original legal text. Not legal advice."}