Regulations last checked for updates: May 17, 2024

Title 40 - Protection of Environment last revised: May 15, 2024
Appendix - Table 2 to Subpart GGG of Part 63—Partially Soluble HAP
1,1,1-Trichloroethane (methyl chloroform)Chloroform
1,1,2,2-TetrachloroethaneChloromethane
1,1,2-TrichloroethaneChloroprene
1,1-Dichloroethylene (vinylidene chloride)Cumene
1,2-DibromoethaneDichloroethyl ether
1,2-Dichloroethane (ethylene dichloride)Dinitrophenol
1,2-DichloropropaneEpichlorohydrin
1,3-DichloropropeneEthyl acrylate
2,4,5-TrichlorophenolEthylbenzene
2-Butanone (mek)Ethylene oxide
1,4-DichlorobenzeneHexachlorobenzene
2-NitropropaneHexachlorobutadiene
4-Methyl-2-pentanone (MIBK)Hexachloroethane
AcetaldehydeMethyl methacrylate
AcroleinMethyl-t-butyl ether
AcrylonitrileMethylene chloride
Allyl chlorideN,N-dimethylaniline
BenzenePropionaldehyde
Benzyl chloridePropylene oxide
BiphenylStyrene
Bromoform (tribromomethane)Tetrachloroethene (perchloroethylene)
BromomethaneTetrachloromethane (carbon tetrachloride
ButadieneToluene
Carbon disulfideTrichlorobenzene (1,2,4-)
ChlorobenzeneTrichloroethylene
Chloroethane (ethyl chloride)Trimethylpentane
Vinyl acetateXylene (p)
Vinyl chlorideN-hexane
Xylene (m)
Xylene (o)
[66 FR 40136, Aug. 2, 2001]
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.