discharge — any release howsoever caused from a ship, as referred to in Article 2 of Marpol 73/78 3.

Marpol 73/78 — the International Convention for the Prevention of Pollution from Ships, 1973 and its 1978 Protocol, in its up-to-date version 1.

oil — petroleum in any form including crude oil, fuel oil, sludge, oil refuse and refined products (other than petrochemicals which are subject to the provisions of Marpol 73/78 Annex II) and ANNEX

oily mixture — a mixture with any oil content. Excerpts of the relevant provisions of Marpol 73/78 Annex I: Regulation 9: Control of discharge of oil Subject to the provisions of Regulations 10 and 11 of this Annex and paragraph 2 of this Regulation, any discharge into the sea of oil or oily mixtures from ships to which this Annex applies shall be prohibited except when all the following conditions are satisfied: for an oil tanker, except as provided for in subparagraph (b) of this paragraph: the tanker is not within a special area; the tanker is more than 50 nautical miles from the nearest land; the tanker is proceeding en route; the instantaneous rate of discharge of oil content does not exceed 30 litres per nautical mile; the total quantity of oil discharged into the sea does not exceed for existing tankers 1/15000 of the total quantity of the particular cargo of which the residue formed a part, and for new tankers 1/30000 of the total quantity of the particular cargo of which the residue formed a part; and the tanker has in operation an oil discharge monitoring and control system and a slop tank arrangement as required by Regulation 15 of this Annex. from a ship of 400 tons gross tonnage and… ANNEX

polluting substances — substances covered by Annexes I (oil) and II (noxious liquid substances in bulk) to Marpol 73/78 2.

ship — a seagoing vessel, irrespective of its flag, of any type whatsoever operating in the marine environment and shall include hydrofoil boats, air-cushion vehicles, submersibles and floating craft 4.