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
Montara oil spill seaweed farmers and fishermen had been affected by the oil spill. PTTEP Australia has stated that independent studies published by the Australian Department for the Environment found that 98.6 per cent of Montara oil stayed in Australian waters, and that the company has received "no credible evidence of damage to the environment in West Timor." East Timorese President, Dr José Ramos-Horta, said that the Australian government and the Thai company that own the platform are responsible for the spill, and that he will seek compensation for damage caused by the spill to his country's environment. Ramos-Horta called for Australian environmental