Deposit of equipment to control, contain or recover oil etcE+W
15.—(1) Article 4 applies to the deposit of any equipment for the purpose of controlling, containing or recovering any—
(a)oil,
(b)mixture containing oil,
(c)chemical,
(d)flotsam, or
(e)algal bloom.
(2) But article 4 does not apply to any such deposit to the extent that it falls within item 10.