Organic HAP's Subject to the Wastewater Provisions for Process Units at New Sources

Chemical name CAS No. a Allyl chloride 107051 Benzene 71432 Butadiene (1,3-) 106990 Carbon disulfide 75150 Carbon tetrachloride 56235 Cumene 98828 Ethyl chloride (Chloroethane) 75003 Ethylbenzene 100414 Ethylene oxide 75218 Ethylidene dichloride 75343 (1,1-Dichloroethane). Hexachlorobutadiene 87683 Hexachloroethane 67721 Hexane 100543 Methyl bromide (Bromomethane) 74839 Methyl chloride (Chloromethane) 74873 Phosgene 75445 Tetrachloroethylene (Perchloroethylene) 127184 Toluene 108883 Trichloroethane (1,1,1-) (Methyl chloroform) 71556 Trichloroethylene 79016 Trimethylpentane (2,2,4-) 540841 Vinyl chloride (chloroethylene) 75014 Vinylidene chloride 75354 (1,1-Dichloroethylene). Xylene (m-) 108383 Xylene (p-) 106423 a CAS numbers refer to the Chemical Abstracts Service registry number assigned to specific compounds, isomers, or mixtures of compounds. Note. The list of organic HAP's on table 8 is a subset of the list of organic HAP's on table 9 of this subpart. [59 FR 19453, Apr. 22, 1994, as amended at 89 FR 43218, May 16, 2024]