{"data":{"id":"us/40-cfr-60.617a","jurisdiction":"us","citation":"40 CFR 60.617a","heading":"a What are the chemicals that I must produce to be affected by subpart IIIa?","body":"Chemical name CAS No.*\nAcetaldehyde 75-07-0\nAcetic acid 64-19-7\nAcetone 67-64-1\nAcetonitrile 75-05-8\nAcetophenone 98-86-2\nAcrolein 107-02-8\nAcrylic acid 79-10-7\nAcrylonitrile 107-13-1\nAnthraquinone 84-65-1\nBenzaldehyde 100-52-7\nBenzoic acid, tech 65-85-0\n1,3-Butadiene 106-99-0\np-t-Butyl benzoic acid 98-73-7\nN-Butyric acid 107-92-6\nCrotonic acid 3724-65-0\nCumene hydroperoxide 80-15-9\nCyclohexanol 108-93-0\nCyclohexanone 108-94-1\nDimethyl terephthalate 120-61-6\nEthylene dichloride 107-06-2\nEthylene oxide 75-21-8\nFormaldehyde 50-00-0\nFormic acid 64-18-6\nGlyoxal 107-22-2\nHydrogen cyanide 74-90-8\nIsobutyric acid 79-31-2\nIsophthalic acid 121-91-5\nMaleic anhydride 108-31-6\nMethyl ethyl ketone 78-93-3\na-Methyl styrene 98-83-9\nPhenol 108-95-2\nPhthalic anhydride 85-44-9\nPropionic acid 79-09-4\nPropylene oxide 75-56-9\nStyrene 100-42-5\nTerephthalic acid 100-21-0\n* CAS numbers refer to the Chemical Abstracts Registry numbers assigned to specific chemicals, isomers, or mixtures of chemicals. Some isomers or mixtures that are covered by the standards do not have CAS numbers assigned to them. The standards apply to all of the chemicals listed, whether CAS numbers have been assigned or not.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 60—STANDARDS OF PERFORMANCE FOR NEW STATIONARY SOURCES","Subpart IIIa—Standards of Performance for Volatile Organic Compound (VOC) Emissions From the Synthetic Organic Chemical Manufacturing Industry (SOCMI) Air Oxidation Unit Processes for Which Construction, Reconstruction, or Modification Commenced After April 25, 2023"],"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":"d3838e7783912d90f1b85d1bf5d212c0905a89262132bbc2ad60ffb453d9b249","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-60.616a","next":"us/40-cfr-60.618a"},"notice":"GroundRules: Original legal text. Not legal advice."}