Section 108140 Of Article 1. General Provisions And Definitions From California Health And Safety Code >> Division 104. >> Part 3. >> Chapter 4. >> Article 1.

. The term "human carcinogen" means any substance listed as a human carcinogen by the International Agency for Research on Cancer. The term "potential human carcinogen" means one of the following:
  (1) Any substance that does not meet the definition of human carcinogen, but for which there exists sufficient evidence of carcinogenicity in animals, as determined by the International Agency for Research on Cancer.
  (2) Any chemical shown to be changed by the human body into a human carcinogen.