Upon the discovery of a leak from an active gas pipeline that is within a sensitive area, as defined in Section 3270.5, the owner or operator of the pipeline shall promptly notify the division and the local health officer, or his or her designee, of the jurisdiction in which the leak is located.
Source:
Section 3270.6, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PRC§ionNum=3270.6..