The Maritime and Port Authority of Singapore has recently issued a new circular (Port Marine Circular No 25 of 2004) relating to the limits of dangerous goods allowed on board vessels berthing at its quays.
This circular will take effect from 5th December 2004 and will limit the total amount of MPA Group I and II dangerous goods of the types mentioned in Annex II (see web link below).
Full details of the circular can be found at.
http://www.mpa.gov.sg/circulars_and_notices/portmarine_circulars/pc04-25.htm