On-line supplement
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USA ratifies international rules on air pollution from ships

The United States of America has become the 53rd state to ratify Annex VI of the International Convention for the Prevention of Pollution from Ships (MARPOL), with the deposition today of an instrument of ratification with the International Maritime Organization (IMO).

Annex VI, which was adopted in 1997 and entered into force in May 2005, regulates the discharge of atmospheric pollutants from ships. Among other things, it set, for the first time, limits on sulphur oxide (SOx) and nitrogen oxide (NOx) emissions from ships’ exhausts; prohibited deliberate emissions of ozone-depleting substances and put a global cap on the sulphur content of fuel oil.

This latest ratification, which brings to 81.88 the percentage of gross world merchant shipping tonnage covered by the aforementioned regulations, comes as a detailed review of the provisions of Annex VI is reaching a conclusion.

Please see International Maritime Organization (IMO) company electronic office

For further information please contact:
Head, Public Information Services
Lee Adamson
Tel: +44 (0)20 7587 3153
email: media@imo.org

Media and Communications Officer
Natasha Brown
Tel: +44 (0)20 7587 3274
email: media@imo.org

IMO – the International Maritime Organization – is the United Nations specialized agency with responsibility for the safety and security of shipping and the prevention of marine pollution by ships.

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