40 CFR Part 63, Table 8
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
| 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]