MARPOL Is an international convention for the prevention of pollution at sea. This international treaty was adopted by the International Maritime Organization (IMO) in 1973, and later updated in 1978 after several severe tanker accidents.
The convention includes regulations aimed at preventing and minimizing pollution at sea from ships, and this includes both accidental pollution and pollution from routine operations. At current date MARPOL consist of 6 technical annexes:
I Regulations for the prevention of pollution by oil;
International Oil Pollution Prevention Certificate(IOPP)
II Regulations for the control of pollution by noxious liquid substances in bulk;
International Pollution Prevention Certificate for the Carriage of Noxious Liquid Substances in Bulk (NLS);
III Prevention of pollution by harmful substances carried by sea in packaged form;
IV Prevention of pollution by sewage from ships;
International Sewage Pollution Prevention Certificate(ISPP)
V Prevention of pollution by garbage from ships;
VI Prevention of air pollution from ships;
International Air Pollution Prevention Certificate(IAPP)
Engine International Air Pollution Prevention Certificate (EIAPP)
International Energy Efficiency Certificate(IEEC)