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Monday, March 19, 2018


We are in receipt of IMO Circular MEPC.2/Circ.5 of 17 December 1999.


This circular is issued in accordance with regulation 3(4) of Annex II to MARPOL 73/78 and sub-paragraph 2A.1.8 of its unified interpretation, replacing all previously issued circulars under this title.

Lists of annexes

Annexes 1 to 4 provide lists of noxious liquid substances (NLS) with associated categories and minimum carriage requirements which have been established through Tripartite Agreements and registered with the Secretariat in accordance with the regulation and unified interpretation referred to above. Annexes 5 to 11 are intended to facilitate the reporting of Tripartite Agreements and the interpretation of abbreviations used in Annexes 1 to 4.

Annex 1: List 1: Pure or technically pure substances;

Annex 2: List 2: Pollutant only mixtures classified by calculation or assessed as a mixture;

Annex 3: List 3: Trade-named substances with safety hazards;

Annex 4: List 4: Pollutant only mixtures with >3% unassessed components;

Annex 5: Country abbreviations (Part 1: Code/Country; Part 2: Country/Code);.

Annex 6: Oil-like substances;

Annex 7: Substances not shipped in pure form but as components in mixtures;

Annex 8: Tripartite contact addresses;

Annex 9: Manufacturers authorized to conduct pollutant-only assessments by calculation;

Annex 10: Lube-oil additives; and

Annex 11: Hydrocarbon families.

A full copy of the circular can be downloaded in .pdf format