Section 7672.5 Of Article 7.5. Hazardous Materials Transportation By Rail From California Public Utilities Code >> Division 4. >> Chapter 1. >> Article 7.5.

. Any railroad corporation which is involved in an incident resulting in a release, or threatened release, of a hazardous material shall immediately report the type and extent of the release or threatened release in the manner specified in Section 25507 of the Health and Safety Code.