(a) Except as provided in subdivision (b), the handler or any employee, authorized representative, agent, or designee of a handler shall, upon discovery, immediately report any release or threatened release of a hazardous material to the administering agency, and to the agency, in accordance with the regulations adopted pursuant to Section 25503. Each handler and any employee, authorized representative, agent, or designee of a handler shall provide all state, city, or county fire or public health or safety personnel and emergency rescue personnel with access to the handler’s facilities.
(b) Subdivision (a) does not apply to any person engaged in the transportation of a hazardous material on a highway which is subject to, and in compliance with, the requirements of Sections 2453 and 23112.5 of the Vehicle Code.