Under the signatory of the 1973 International Convention For the Prevention of Polution from Ships, requiring the government to provide facilities at port or terminals for the reception of waste from ships Under the "IMO", MARPOL 73/78, ISM code, ICS/ISF, DNV(SEP) and article 43 of 1982 UNCLOS is to provide for the establishment and maintenance of necessary navigation aids and other safety aids to navigation. In Indonesia this goes to Ministry of Environtmental, and they set Bapedal (Safety and Evironment Protection Policy), and PT. Gamter jaya operated with this guidances and rules of operation ship management and pollution prevention.

| the main aim of Bapedal | the Reason of Tank Cleaning | the Reason of De-Sludging |