council recommend decemb ratif intern convent standard train certif watchkeep seafar eec council european commun regard treati establish european econom commun articl thereof meet april copenhagen european council declar commun make prevent combat marin pollut hydrocarbon major object meet juli bremen european council deem take account propos individu member state commiss measur increas safeti maritim traffic intern convent standard train certif watchkeep seafar adopt london juli interest ship safeti prevent pollut convent enter forc earli ratif convent member state constitut major contribut achiev object recommend member state sign intern convent standard train certif watchkeep seafar april ratifi decemb member state inform secretari gener inter government maritim consult organ sign ratifi convent accord recommend brussel decemb council presid otto graf lambsdorff