ee ae ib 4 replaced with clean fill to a degree acceptable to the Fire Chief or an Officer. When an underground tank is to be removed and not replaced, the Fire Chief or an Officer shall be notified at least three working days prior to the removal of the tank. All used underground tanks removed from the ground shall be destroyed or disposed of in conformance with Subsection 4.10.4 "Reuse and Disposal of Storage Tanks" of the Fire Code. No supplier shall deliver petroleum products to an underground tank, uniess the tank and its installation has been approved by an officer as being in compliance with this Bylaw.