Section 7672 Of Article 7.5. Hazardous Materials Transportation By Rail From California Public Utilities Code >> Division 4. >> Chapter 1. >> Article 7.5.

. For purposes of this article, "hazardous material" means either of the following:
  (a) A hazardous material, as defined in Section 171.8 of Title 49 of the Code of Federal Regulations.
  (b) A hazardous material, as defined in Section 25501 of the Health and Safety Code.