GuLF Study Environmental Health Sciences (NIEHS), part of the National Institutes of Health, and aims to recruit 55,000 of the 150,000 workers who volunteered or were employed to help clean up the spill. It is led by Dale Sandler, head of the NIEHS's epidemiology branch. The "Deepwater Horizon" oil spill was the world's largest accidental marine oil spill. It began on 20 April 2010 after an explosion on the "Deepwater Horizon", a drilling rig leased by BP to drill an exploratory well. Between then and 15 July, when the well was capped, over four million barrels of oil (around 170 million US
Oil spill governance in the United States oil spill in the Gulf of Mexico suggest more can and should have been done in this area. Evidence of this fact is present in the recommendations and investigations present in the January 2011 report by the recently established National Oil Spill Commission. A further sign of lack of proper governance is implicit in the action of the federal government to rename and reform the Minerals Management Service (MMS) into the now Bureau of Ocean Energy Management, Regulation and Enforcement. The 1989 "Exxon Valdez" oil spill served as a major focal point in oil spill governance and reform. Prior to