PART 3 Exempt activities and conditions
13.Deposits of marine chemical and marine oil treatment substances etc.
14.Deposit of equipment to control, contain or recover oil etc.
18.Deposits in the course of normal navigation or maintenance
20.Moorings and aids to navigation – deposits and works activity
22.Deposit and use of flares etc. – safety purposes and training
23.Cables and pipelines – authorised emergency inspection and repair