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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

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

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Displayed edition2026-04-27
Last updated2026-04-27

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

Chemical nameCAS No. a
Allyl chloride107051
Benzene71432
Butadiene (1,3-)106990
Carbon disulfide75150
Carbon tetrachloride56235
Cumene98828
Ethyl chloride (Chloroethane)75003
Ethylbenzene100414
Ethylene oxide75218
Ethylidene dichloride75343
(1,1-Dichloroethane).
Hexachlorobutadiene87683
Hexachloroethane67721
Hexane100543
Methyl bromide (Bromomethane)74839
Methyl chloride (Chloromethane)74873
Phosgene75445
Tetrachloroethylene (Perchloroethylene)127184
Toluene108883
Trichloroethane (1,1,1-) (Methyl chloroform)71556
Trichloroethylene79016
Trimethylpentane (2,2,4-)540841
Vinyl chloride (chloroethylene)75014
Vinylidene chloride75354
(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]