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§ 60.617a What are the chemicals that I must produce to be affected by subpart IIIa?

40 CFR 60.617a

Citation40 CFR 60.617a
CorpusDaily eCFR
Displayed edition2026-04-24
Last updated2026-04-24

§ 60.617a What are the chemicals that I must produce to be affected by subpart IIIa?

Chemical nameCAS No.*
Acetaldehyde75-07-0
Acetic acid64-19-7
Acetone67-64-1
Acetonitrile75-05-8
Acetophenone98-86-2
Acrolein107-02-8
Acrylic acid79-10-7
Acrylonitrile107-13-1
Anthraquinone84-65-1
Benzaldehyde100-52-7
Benzoic acid, tech65-85-0
1,3-Butadiene106-99-0
p-t-Butyl benzoic acid98-73-7
N-Butyric acid107-92-6
Crotonic acid3724-65-0
Cumene hydroperoxide80-15-9
Cyclohexanol108-93-0
Cyclohexanone108-94-1
Dimethyl terephthalate120-61-6
Ethylene dichloride107-06-2
Ethylene oxide75-21-8
Formaldehyde50-00-0
Formic acid64-18-6
Glyoxal107-22-2
Hydrogen cyanide74-90-8
Isobutyric acid79-31-2
Isophthalic acid121-91-5
Maleic anhydride108-31-6
Methyl ethyl ketone78-93-3
a-Methyl styrene98-83-9
Phenol108-95-2
Phthalic anhydride85-44-9
Propionic acid79-09-4
Propylene oxide75-56-9
Styrene100-42-5
Terephthalic acid100-21-0
* CAS numbers refer to the Chemical Abstracts Registry numbers assigned to specific chemicals, isomers, or mixtures of chemicals. Some isomers or mixtures that are covered by the standards do not have CAS numbers assigned to them. The standards apply to all of the chemicals listed, whether CAS numbers have been assigned or not.
Authority42 U.S.C. 7401 et seq.
Source36 FR 24877, Dec. 23, 1971, unless otherwise noted.