Cal. Gov. Code § 905.5
A school district, its officers, directors, or employees shall have no civil liability in any civil action for injury, disease, death, or economic loss arising out of exposure on or after January 1, 1989, to asbestos contained in buildings owned, leased, or otherwise used by a school district, except upon proof that the injury, disease, death, or economic loss was caused by the negligence of the school district, its officers, directors, or employees. Notwithstanding the provisions of Section 815.6 of the Government Code and Section 669 of the Evidence Code, no presumption of negligence shall apply to any action under this section. This section applies only to actions against school districts, and shall not apply to any other action, including, but not limited to, actions against a manufacturer, contractor, or any person who makes, sells, distributes, furnishes, or installs asbestos-containing materials. This section shall not affect, alter, or otherwise modify the law pertaining to workers' compensation claims. This section shall not affect the right of a school district, its officers, directors, or employees to seek indemnification.
Ca. Gov. Code § 905.5