{"data":{"id":"us/40-cfr-table-8-to-subpart-mmmmm-of-part-63","jurisdiction":"us","citation":"40 CFR Table 8 to Subpart MMMMM of Part 63","heading":"Table 8 to Subpart MMMMM of Part 63—List of Hazardous Air Pollutants That Must Be Counted Toward Total HAP Content if Present at 0.1 Percent or More by Weight","body":"Chemical name CAS No.\n1,1,2,2-Tetrachloroethane 79-34-5\n1,1,2-Trichloroethane 79-00-5\n1,1-Dimethylhydrazine 57-14-7\n1,2-Dibromo-3-chloropropane 96-12-8\n1,2-Diphenylhydrazine 122-66-7\n1,3-Butadiene 106-99-0\n1,3-Dichloropropene 542-75-6\n1,4-Dioxane 123-91-1\n2,4,6-Trichlorophenol 88-06-2\n2,4/2,6-Dinitrotoluene (mixture) 25321-14-6\n2,4-Dinitrotoluene 121-14-2\n2,4-Toluene diamine 95-80-7\n2-Nitropropane 79-46-9\n3,3′-Dichlorobenzidine 91-94-1\n3,3′-Dimethoxybenzidine 119-90-4\n3,3′-Dimethylbenzidine 119-93-7\n4,4′-Methylene bis(2-chloroaniline) 101-14-4\nAcetaldehyde 75-07-0\nAcrylamide 79-06-1\nAcrylonitrile 107-13-1\nAllyl chloride 107-05-1\nalpha-Hexachlorocyclohexane (a-HCH) 319-84-6\nAniline 62-53-3\nBenzene 71-43-2\nBenzidine 92-87-5\nBenzotrichloride 98-07-7\nBenzyl chloride 100-44-7\nbeta-Hexachlorocyclohexane (b-HCH) 319-85-7\nBis(2-ethylhexyl)phthalate 117-81-7\nBis(chloromethyl)ether 542-88-1\nBromoform 75-25-2\nCaptan 133-06-2\nCarbon tetrachloride 56-23-5\nChlordane 57-74-9\nChlorobenzilate 510-15-6\nChloroform 67-66-3\nChloroprene 126-99-8\nCresols (mixed) 1319-77-3\nDDE 3547-04-4\nDichloroethyl ether 111-44-4\nDichlorvos 62-73-7\nEpichlorohydrin 106-89-8\nEthyl acrylate 140-88-5\nEthylene dibromide 106-93-4\nEthylene dichloride 107-06-2\nEthylene oxide 75-21-8\nEthylene thiourea 96-45-7\nEthylidene dichloride (1,1-Dichloroethane) 75-34-3\nFormaldehyde 50-00-0\nHeptachlor 76-44-8\nHexachlorobenzene 118-74-1\nHexachlorobutadiene 87-68-3\nHexachloroethane 67-72-1\nHydrazine 302-01-2\nIsophorone 78-59-1\nLindane (hexachlorocyclohexane, all isomers) 58-89-9\nm-Cresol 108-39-4\nMethylene chloride 75-09-2\nNaphthalene 91-20-3\nNitrobenzene 98-95-3\nNitrosodimethylamine 62-75-9\no-Cresol 95-48-7\no-Toluidine 95-53-4\nParathion 56-38-2\np-Cresol 106-44-5\np-Dichlorobenzene 106-46-7\nPentachloronitrobenzene 82-68-8\nPentachlorophenol 87-86-5\nPropoxur 114-26-1\nPropylene dichloride 78-87-5\nPropylene oxide 75-56-9\nQuinoline 91-22-5\nTetrachloroethene 127-18-4\nToxaphene 8001-35-2\nTrichloroethylene 79-01-6\nTrifluralin 1582-09-8\nVinyl bromide 593-60-2\nVinyl chloride 75-01-4\nVinylidene chloride 75-35-4","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 MMMMM—National Emission Standards for Hazardous Air Pollutants: Flexible Polyurethane Foam Fabrication Operations"],"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":"ee6a11e6a058c7d6c75909bb782f92a651a7623aa77339d960dc5a9bb2f41733","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-7-to-subpart-mmmmm-of-part-63","next":"us/40-cfr-63.8980"},"notice":"GroundRules: Original legal text. Not legal advice."}