{"data":{"id":"us/40-cfr-table-34-to-subpart-g-of-part-63","jurisdiction":"us","citation":"40 CFR Table 34 to Subpart G of Part 63","heading":"Table 34 to Subpart G of Part 63—Fraction Measured (Fm) and Fraction Emitted (Fe) For HAP Compounds in Wastewater Streams","body":"Chemical name CAS Number a Fm Fe\nAcetaldehyde 75070 1.00 0.48\nAcetonitrile 75058 0.99 0.36\nAcetophenone 98862 0.31 0.14\nAcrolein 107028 1.00 0.43\nAcrylonitrile 107131 1.00 0.43\nAllyl chloride 107051 1.00 0.89\nBenzene 71432 1.00 0.80\nBenzyl chloride 100447 1.00 0.47\nBiphenyl 92524 0.86 0.45\nBromoform 75252 1.00 0.49\nButadiene (1,3-) 106990 1.00 0.98\nCarbon disulfide 75150 1.00 0.92\nCarbon tetrachloride 56235 1.00 0.94\nChlorobenzene 108907 1.00 0.73\nChloroform 67663 1.00 0.78\nChloroprene (2-Chloro-1,3-butadiene) 126998 1.00 0.68\nCumene 98828 1.00 0.88\nDichlorobenzene (p-) 106467 1.00 0.72\nDichloroethane (1,2-) (Ethylene dichloride) 107062 1.00 0.64\nDichloroethyl ether (Bis(2-Chloroethyl ether)) 111444 0.76 0.21\nDichloropropene (1,3-) 542756 1.00 0.76\nDiethyl sulfate 64675 0.0025 0.11\nDimethyl sulfate 77781 0.086 0.079\nDimethylaniline (N,N-) 121697 0.00080 0.34\nDimethylhydrazine (1,1-) 57147 0.38 0.054\nDinitrophenol (2,4-) 51285 0.0077 0.060\nDinitrotoluene (2,4-) 121142 0.085 0.18\nDioxane (1,4-) (1,4-Diethyleneoxide) 123911 0.87 0.18\nEpichlorohydrin(1-Chloro-2,3-epoxypropane) 106898 0.94 0.35\nEthyl acrylate 140885 1.00 0.48\nEthylbenzene 100414 1.00 0.83\nEthyl chloride (Chloroethane) 75003 1.00 0.90\nEthylene dibromide (Dibromomethane) 106934 1.00 0.57\nEthylene glycol dimethyl ether 110714 0.86 0.32\nEthylene glycol monobutyl ether acetate 112072 0.043 0.067\nEthylene glycol monomethyl ether acetate 110496 0.093 0.048\nEthylene oxide 75218 1.00 0.50\nEthylidene dichloride (1,1-Dichloroethane) 75343 1.00 0.79\nHexachlorobenzene 118741 0.97 0.64\nHexachlorobutadiene 87683 0.88 0.86\nHexachloroethane 67721 0.50 0.85\nHexane 110543 1.00 1.00\nIsophorone 78591 0.51 0.11\nMethanol 67561 0.85 0.17\nMethyl bromide (Bromomethane) 74839 1.00 0.85\nMethyl chloride (Chloromethane) 74873 1.00 0.84\nMethyl isobutyl ketone (Hexone) 108101 0.98 0.53\nMethyl methacrylate 80626 1.00 0.37\nMethyl tert-butyl ether 1634044 1.00 0.57\nMethylene chloride (Dichloromethane) 75092 1.00 0.77\nNaphthalene 91203 0.99 0.51\nNitrobenzene 98953 0.39 0.23\nNitropropane (2-) 79469 0.99 0.44\nPhosgene 75445 1.00 0.87\nPropionaldehyde 123386 1.00 0.41\nPropylene dichloride (1,2-Dichloropropane) 78875 1.00 0.72\nPropylene oxide 75569 1.00 0.60\nStyrene 100425 1.00 0.80\nTetrachloroethane (1,1,2,2-) 79345 1.00 0.46\nTetrachloroethylene (Perchloroethylene) 127184 1.00 0.92\nToluene 108883 1.00 0.80\nToluidine (o-) 95534 0.15 0.052\nTrichlorobenzene (1,2,4-) 120821 1.00 0.64\nTrichloroethane (1,1,1-) (Methyl chloroform) 71556 1.00 0.91\nTrichloroethane (1,1,2-) (Vinyl Trichloride) 79005 1.00 0.60\nTrichloroethylene 79016 1.00 0.87\nTrichlorophenol (2,4,5-) 95954 0.11 0.086\nTriethylamine 121448 1.00 0.38\nTrimethylpentane (2,2,4-) 540841 1.00 1.00\nVinyl acetate 108054 1.00 0.59\nVinyl chloride (Chloroethylene) 75014 1.00 0.97\nVinylidene chloride (1,1-Dichloroethylene) 75354 1.00 0.94\nXylene (m-) 108383 1.00 0.82\nXylene (o-) 95476 1.00 0.79\nXylene (p-) 106423 1.00 0.82\na CAS numbers refer to the Chemical Abstracts Service registry number assigned to specific compounds, isomers, or mixtures of compounds.","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 G—National Emission Standards for Hazardous Air Pollutants From the Synthetic Organic Chemical Manufacturing Industry for Process Vents, Storage Vessels, Transfer Operations, and Wastewater"],"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":"8e5c2ea5260e25c2932aecb5064e3df6dc06f4d5a3d8379e5a722ada1c50f1c6","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-table-33-to-subpart-g-of-part-63","next":"us/40-cfr-table-35-to-subpart-g-of-part-63"},"notice":"GroundRules: Original legal text. Not legal advice."}