California Code
ARTICLE 6 - Liability of Residential Property Owner
Section 79790.

79790. (a) Notwithstanding any other provision of this part, an owner of property that is the site of a hazardous substance release is presumed to have no liability pursuant to this part for either of the following:

(1) A hazardous substance release that has occurred on the property.

(2) A release of a hazardous substance to groundwater underlying the property if the release occurred at a site other than the property.

(b) The presumption may be rebutted as provided in Section 79800.

(Added by Stats. 2022, Ch. 257, Sec. 2. (AB 2293) Effective January 1, 2023. Operative January 1, 2024, pursuant to Sec. 4 of Stats. 2022, Ch. 257.)