“Operator” means any person in control of, or having responsibility for, the daily operation of an underground storage tank containing petroleum. “Operator” includes any city, county, or district, or any agency or department thereof, but does not include the state or any agency or department thereof, or the federal government.
Source:
Section 25299.20, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=25299.20..