Exxon Valdez oil spill a number of recommendations, such as changes to the work patterns of Exxon crew in order to address the causes of the accident. In response to the spill, the United States Congress passed the Oil Pollution Act of 1990 (OPA). The legislation included a clause that prohibits any vessel that, after March 22, 1989, has caused an oil spill of more than in any marine area, from operating in Prince William Sound. In April 1998, the company argued in a legal action against the Federal government that the ship should be allowed back into Alaskan waters. Exxon claimed OPA was
SS Wafra oil spill record as the world's largest salvage tugs. SS Wafra oil spill The SS "Wafra" oil spill occurred on 27 February 1971, when SS "Wafra", an oil tanker, ran aground while under tow near Cape Agulhas, South Africa. Approximately 200,000 barrels of crude oil were leaked into the ocean. The larger part of the ship was refloated, towed out to sea, and then sunk by the South African Air Force to prevent further oil contamination of the coastline. "Wafra" left Ras Tanura in Saudi Arabia on 12 February 1971 bound for Cape Town, South Africa, with a cargo of (63,174 tonnes)