Marine Environment -prevention of pollution by oil - Marpol annex-I
An Oil Spill harms both the earth’s ecosystem and the economy. With large numbers of people living and depending on coastal areas for fishing and tourism throughout the world, the consequences of oil spills are very serious and so are the ensuing penalties. The fate, behavior and environmental effects of spilled oil can vary, depending upon the type and amount of material spilled.
In general, lighter refined petroleum products such as diesel oil and gasoline are more likely to mix in the water column and are more toxic to marine life, but tend to evaporate more quickly and do not persist long in the environment.
Heavier crude or fuel oil, while of less immediate toxicity, can remain on the water surface or stranded on the shoreline for much longer.
Shipboard Oil Pollution Emergency Plan (SOPEP) gives comprehensive advice on actions to be taken in event of an oil pollution accident.
Oil Pollution Prevention on board is achieved through:
• Use of Oil Filtering Equipment in machinery spaces of all ships
• Use of ODMCS (Oil Discharge Monitoring & Control System) on Tankers
• Incineration of Oily waste and Sludge (and also their shore disposal)
The correct filling of oil handling records is described in
“Procedures for Oil Record Book entry”
“Procedures for Oil Record Book entry in Machinery Space”
“Procedures for cargo record in Tankers oil record book”
Other precautions to prevent oil pollution include but are not limited to:
• Structural safeguards, for example double hull, bunker tank swash bulkheads on certain ships, etc
• Loading, carriage and discharge of oil cargo as per Manual
• Handling of F.O. and D.O as per Manual
• Keeping deck scuppers plugged in port at all times
• Regular inspection of oil piping and associated equipment / structures
• Extreme care in handling and disposal of any kind of oil, like incineration of used cooking oil from galley
• Regular training of crew in oil pollution drills and in keeping machinery and other equipment free of any oil leakage
When Oily sludge / oily water from E/R is disposed off to shore reception facilities as necessary, receipt is to be obtained and filed in the Oil Record Book. Oily sludge may also be incinerated on board, at sea.
Related articles
Energy Conservation Efforts
Handling Cargo Hold Bilges on Container vessels
Pollution by garbage [ Marpol annex V ]
Pollution by sewage [ Marpol annex IV ]
Pollution of air [ Marpol annex VI ]
Prohibition on use of harmful (TBT) anti-fouling paints
Pollution by ballast water
Prevention of pollution while carryiung out overboard maintenance
Environment friendly purchasing
Decommissioning / ship recycling
Environmental awareness
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