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PI055 | Number of oil spills V4.0

Performance Indicator

This PI captures the number of spills of liquid substances to the environment as covered by MARPOL I.


DefinitionThe total number of oil spills to the environment (overboard), excluding contained spills. Data for this PI shall be based on oil spills reported to authorities and recorded in oil record book.
UnitSPILLS
ScopeReported on a ship level
Calculation periodCaptured and reported on a quarterly basis
ReferencesThis Performance Indicator - PI055 - is used by the following Key Performance Indicators
KPI028Releases of substances
PI053Number of releases of substances to the environment
PI055Number of oil spills
Example

During bunkering a ship spills approximately 200 metric litres on deck and a small quantity over the side into the water. The captain reports the spill to the company and informs the harbour master. This counts as one spill.

Overflow of cargo tank on a tanker during cargo operations resulting spill of over 180 ltrs and some of it went overboard.

External references

MARPOL Annex I