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
Torrey Canyon oil spill and other substances used in an effort to mitigate damage. At the time, it was the world's worst oil spill, and led to significant changes in maritime law and oil spill responses. It remains the worst spill in UK history. When laid down in the United States in 1959, "Torrey Canyon" had a capacity of 60,000 tons; the ship was later enlarged to 120,000 tons in Japan. She was named for a geographical feature in California. At the time of the accident, "Torrey Canyon" was registered in Liberia and owned by Barracuda Tanker Corporation, a subsidiary of Union Oil Company