Annex VI - Regulation 2

(1)	A similar stage of construction means the stage at which:
	(a)	construction identifiable with a specific ship begins; and
	(b)	assembly of that ship has commenced comprising at least 50 tonnes or one per cent of the estimated mass of all structural material, whichever is less.
(2)	Continuous feeding is defined as the process whereby waste is fed into a combustion chamber without human assistance while the incinerator is in nomal operating conditions with the combustion chamber operative temperature between 850°C and 1200°C.
(3)	Emission means any release of substances subject to control by this Annex from ships into the atmosphere or sea.
(4)	New installations, in relation to regulation 12 of this Annex, means the installation of systems, equipment, including new portable fireextinguishing units, insulation, or other material on a ship after the date on which this Annex enters into force, but excludes repair or recharge of previously installed systems, equipment, insulation, or other material, or recharge of portable fire-extinguishing units.

SEE INTERPRETATION 2.1

(5)	NO_x Technical Code means the Technical Code on Control of Emission of Nitrogen Oxides from Marine Diesel Engines adopted by Conference resolution 2, as may be amended by the Organization, provided that such amendments are adopted and brought into force in accordance with the provisions of article 16 of the present Convention concerning amendment procedures applicable to an appendix to an Annex.
(6)	Ozone-depleting substances means controlled substances defined in paragraph 4 of article 1 of the Montreal Protocol on Substances that Deplete the Ozone Layer, 1987, listed in Annexes A, B, C or E to the said Protocol in force at the time of application or interpretation of this Annex. Ozone-depleting substances that may be found on board ship include, but are not limited to:
	Halon 1211	Bromochlorodifluoromethane
	Halon 1301	Bromotrifluoromethane
	Halon 2402	1,2-Dibromo-1,1,2,2-tetrafluoroethane (also known as Halon 114B2)
	CFC-11	Trichlorofluoromethane
	CFC-12	Dichlorodifluoromethane
	CFC-113	1,1,2-Trichloro-1,2,2-trifluoroethane
	CFC-114	1,2-Dichloro-1,1,2,2-tetrafluoroethane
	CFC-115	Chloropentafluoroethane
(7)	Sludge oil means sludge from the fuel or lubricating oil separators, waste lubricating oil from main or auxiliary machinery, or waste oil from bilge water separators, oil filtering equipment or drip trays.
(8)	Shipboard incineration means the incineration of wastes or other matter on board a ship, if such wastes or other matter were generated during the normal operation of that ship.
(9)	Shipboard incinerator means a shipboard facility designed for the primary purpose of incineration.
(10)	Ships constructed means ships the keels of which are laid or which are at a similar stage of construction.
(11)	SO_x emission control area means an area where the adoption of special mandatory measures for SO_x emissions from ships is required to prevent, reduce and control air pollution from SO_x and its attendant adverse impacts on land and sea areas. SO_x emission control areas shall include those listed in regulation 14 of this Annex.
(12)	Tanker means an oil tanker as defined in regulation 1(4) of Annex I or a chemical tanker as defined in regulation 1(1) of Annex II of the present Convention.
(13)	The Protocol of 1997 means the Protocol of 1997 to amend the International Convention for the Prevention of Pollution from Ships, 1973, as amended by the Protocol of 1978 relating thereto.
(14)	Anniversary date means the day and the month of each year which will correspond to the date of expiry of the International Air Pollution Prevention Certificate.