California Code, Health and Safety Code - HSC § 108939

(a) Manufacturers shall use the least toxic alternative when replacing phthalates in accordance with this chapter.

(b) Manufacturers shall not replace phthalates, pursuant to this chapter, with carcinogens rated by the United States Environmental Protection Agency as A, B, or C carcinogens, or substances listed as known or likely carcinogens, known to be human carcinogens, likely to be human carcinogens, or suggestive of being human carcinogens, as described in the “List of Chemicals Evaluated for Carcinogenic Potential,” or known to the state to cause cancer as listed in the California Safe Drinking Water Act (Chapter 4 (commencing with Section 116270) of Part 12).

(c) Manufacturers shall not replace phthalates, pursuant to this chapter, with reproductive toxicants that cause birth defects, reproductive harm, or developmental harm as identified by the United States Environmental Protection Agency or listed in the California Safe Drinking Water Act (Chapter 4 (commencing with Section 116270) of Part 12).