Regulations last checked for updates: Nov 23, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
All TitlesTitle 40Chapter IPart 63Subpart HHHAppendix - Appendix: Table 1 to Subpart HHH of Part 63—List of Hazardous Air Pollutants (HAP) for Subpart HHH
View all text of [None - None]
Appendix - Appendix: Table 1 to Subpart HHH of Part 63—List of Hazardous Air Pollutants (HAP) for Subpart HHH
CAS Number a Chemical name
75070Acetaldehyde
71432Benzene (includes benzene in gasoline)
75150Carbon disulfide
463581Carbonyl sulfide
100414Ethyl benzene
107211Ethylene glycol
75050Acetaldehyde
50000Formaldehyde
110543n-Hexane
91203Naphthalene
108883Toluene
5408412,2,4-Trimethylpentane
1330207Xylenes (isomers and mixture)
95476o-Xylene
108383m-Xylene
106423p-Xylene

a CAS numbers refer to the Chemical Abstracts Services registry number assigned to specific compounds, isomers, or mixtures of compounds.

authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.
© 2014 CustomsMobile | Disclaimer | Privacy | About