Table 18.9 - Estimated world input of petroleum hydrocarbons to the sea

Source: Clark, 1989

Source Input
(million t/year)
Transportation
Tanker operations 0.70
Tanker accidents 0.40
Bilge and fuel oils 0.30
Dry docking 0.03
Non-tanker accidents 0.02
TOTAL 1.45
Fixed installations
Coastal refineries 0.10
Offshore production 0.05
Marine terminals 0.02
TOTAL 0.17
Other sources
Municipal wastes 0.70
Industrial waste 0.20
Urban runoff 0.12
River runoff 0.04
Atmospheric fall-out 0.30
Ocean dumping 0.02
TOTAL 1.38
Natural inputs 0.25
SUM TOTAL 3.25