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 Code of Federal Regulations (Last Updated: May 6, 2024)
 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 Organic Hazardous Air Pollutants From the Synthetic Organic Chemical Manufacturing Industry for Process Vents, Storage Vessels, Transfer Operations, and Wastewater

  Table 8 to Subpart G of Part 63 - Organic HAP's Subject to the Wastewater Provisions for Process Units at New Sources  

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  • Table 8 to Subpart G of Part 63 - 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
    Ethylbenzene 100414
    Ethyl chloride (Chloroethane) 75003
    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.