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TBT-ban convention ratified


Panama signed up on Monday, September 17. That raised the number of states ratifying the International Convention on the Control of Harmful Anti-Fouling Systems on Ships (AFS Convention) to 25, with a combined 38.11 percent of world merchant tonnage. The convention will enter into force one year after this on September 17, 2008.

Currently, use of TBT-containing paints is constrained by a patchwork of regional and national rules.

With the AFS Convention in force, ships will no longer be permitted to apply or re-apply organotin compounds in their anti-fouling systems. Ships already having such compounds on their hulls will have to be sealed with a coating that forms a barrier to prevent the compounds leaching from the underlying non-compliant anti-fouling systems.

The AFS Convention also establishes a mechanism to evaluate and assess other anti-fouling systems and prevent the potential future use of other harmful substances in these systems.

The convention will apply to ships flying the flag of a party to the convention, as well as ships not entitled to fly their flag but which operate under their authority and to all ships that enter a port, shipyard or offshore terminal of a party. It will apply to all ships, including fixed or floating platforms, floating storage units (FSUs), and floating production storage and off-loading units (FPSOs).

Source: Marinelog

Related information

International Maritime Organization (IMO): International Convention on the Control of Harmful Anti-fouling Systems on Ships
Akzo Nobel: Antifoulings: The Legislative Position - Key Points Summary
EVISA: Info pages: Tributyltin
EVISA: Regulation (EC) No 782/2003 of the European Parliament and of the Council of 14 April 2003 on the prohibition of organotin compounds on ships
US EPA: Aquatic Life Criteria for Tributyltin (TBT)
EVISA Link Database: Tributyltin

Related News

EVISA News, October 11, 2006: TBT from antifouling paint is still endangering marine life, says WWF ( 11.10.2006 )
EVISA News, January 23, 2004: Tuna is attuned to tin
EVISA News, December 15, 2003: Artifacts during the extraction of butyltin compounds from solid samples !
EVISA News, December 11, 2003: No degradation of TBT in seafood during cooking

last time modified: September 21, 2007

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