Federal regulations · Through 2026-08-25 · Newer source version available

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

Where this section sits in the code

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

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.

Collected 2026-08-27T02:26:04Z. Source file · JSON