(1) A system operator of a small storage system must not allow the small storage system to be in use unless a small storage system loss-monitoring procedure is carried out in respect of the system.Penalty: Fine not exceeding 100 penalty units.(2) If a small storage system loss-monitoring procedure carried out under subregulation (1) in respect of a storage system detects, in a tank in the storage system, a variation in petroleum volume of more than 2% of the tank capacity, a system operator of the storage system must (a) notify an infrastructure owner of the storage system, within 7 days after the results of the procedure are received by the system operator, that the storage system is not providing full and continuous containment; and(b) if petroleum may have been lost from the storage system, ensure that further petroleum is not lost from the storage system; and(c) ensure that the storage system is not allowed to be in use until the tank is repaired or replaced in accordance with regulation 11 .Penalty: Fine not exceeding 100 penalty units.