Cal. Health & Safety Code § 25417.2
(b) The Department of Toxic Substances Control shall update the Homeowners’ Guide to Environmental Hazards created pursuant to Section 10084.1 of the Business and Professions Code, updated pursuant to Sections 13261, 25417, and 25417.1, and as required to be updated pursuant to Section 10084.2 of the Business and Professions Code, to include a new section on thirdhand smoke, in accordance with both of the following:
(2) The Department of Toxic Substances Control shall review the update proposed by the Center for Tobacco and the Environment at San Diego State University to ensure the update adequately educates and informs consumers on all of the following: