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
Oil tanker oil tankers has ranged from 26.9 to 31.5 years. In 2005, the price for new oil tankers in the , , and ranges were US$43 million, $58 million, and $120 million respectively. In 1985 these vessels would have cost $18 million, $22 million, and $47 million respectively. Oil tankers are often sold second-hand. In 2005, worth of oil tankers were sold used. Some representative prices for that year include $42.5M for a tanker, $60.7 million for a , $73 million for a , and $116 million for tanker. For a concrete example, in 2006, Bonheur subsidiary First Olsen paid US$76.5