1. It shall be prohibited to oil or clean the outside of vessels with products which may not be discharged into water.
2. It is prohibited to use anti-fouling systems containing one or more of the following substances:
(a) Mercury compounds;
(b) Arsenic compounds;
(c) Organotin compounds which act as biocides;
(d) Hexachlorocyclohexane.
As an interim measure, pending complete removal and replacement of an anti-fouling system containing substances indicated above, it shall be permitted to apply to a vessel’s hull a coating to inhibit the introduction into the water of the aforementioned substances from the anti-fouling systems under the coating.