Comparison of Estimates of Petroleum Hydrocarbons Annually Entering in the Marine Environment (1970 to 1992) | ||||||
(Qty. in Million Tonne/yr.) | ||||||
Sources | MIT SCEP Report (1970) | USGC Impact Statement (1973) | NAS Workshop (1973) | FOH Norway Report (1981) | NRC Report (1985) | UNEP (1992) |
Marine Transportation | ||||||
Offshore Oil Production | ||||||
Coastal Oil Refineries | ||||||
Atmospheric Depositions | ||||||
Natural Sources | ||||||
Land Based Activities/Municipal/Urban/River/ Runoff/Industrial Wastes | ||||||
Total |