The Fire Department of the City is hereby authorized to take such steps as are necessary to investigate, mitigate, minimize, cleanup, remove or abate the effects of any hazardous substances discharged upon or into public or private property or facilities located within the City limits of the City. When engaged in the investigation, mitigation, minimization, cleanup, removal or abatement of the effects of the unauthorized discharge of hazardous substances, the Fire Department of the City shall keep a detailed record of the costs attributable thereto. However, the Fire Department of the City shall not include any costs (nor shall any individual be responsible for any costs pursuant to this Chapter) incurred for actual fire suppression services which are normally or usually provided by the City Fire Department or its authorized agents. (Ord. 92-21, 10-5-92)