Ocean dumping is a normal practice in many countries. This method embraces the
principle of 'dilute and disperse', that is when the waste is discharged into the sea, it is
dispersed into the ocean so that it is immediately diluted to a concentration at which it
causes negligible local impact. Therefore, only wastes which could be degraded,
neutralized or transformed by natural microbiological and chemical processes in the
marine environment should be dumped into the sea. Dumping of highly toxic and
non-degradable or persistent organic has to be thwarted.