Labor Code section 9004

“Carcinogen” means and includes the following recognized cancer-causing substances for which standards have been adopted pursuant to Chapter 3 (commencing with Section 9020):

(a)

Any of the following substances and any compound, mixture, or product containing these substances:

(1)

2-acetylaminofluorene.

(2)

4-aminodiphenyl.

(3)

Benzidine and its salts.

(4)

Bis(chloromethyl) ether.

(5)

3,3´-dichlorobenzidine and its salts.

(6)

4-dimethylaminoazobenzene.

(7)

Beta-naphthylamine.

(8)

4-nitrodiphenyl.

(9)

N-nitrosodimethylamine.

(10)

Beta-propriolactone.

(11)

Methyl chloromethyl ether.

(12)

Alpha-naphthylamine.

(13)

4,4´-methylene-(bis)2-chloroaniline.

(14)

Ethyleneimine.

(b)

Asbestos, including chrysotile, amosite, crocidolite, tremolite, anthophyllite, and actinolite.

(c)

Vinyl chloride.

(d)

Any other substance for which standards are adopted and in effect due to cancer-causing properties and any compound, mixture, or product containing such a substance, except as specifically exempted from the standards.

Source: Section 9004, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=LAB§ionNum=9004.­ (updated Jan. 1, 1985; accessed Jun. 16, 2025).

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§ 9004’s source at ca​.gov