Shippers, transporters, owners of automobiles and other vehicles, and including owners (or tenants) of fixed facilities within the Town of Dyer, who cause or suffer leaks or spills of potentially hazardous or toxic materials within the Town of Dyer, for the clean-up of which separate clean-up contractors are required to be called in (in the determination and at the discretion of the Dyer Volunteer Fire Department) shall assume and bear full responsibility for the direct payment for said clean-up to the clean-up contractor. (Ord. No. 88-6, § 3, 2-9-88)