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 governance in the United States Oil spill governance in the United States is governed by federal law. The governance framework for oil spills in the United States prior to the Oil Pollution Act (OPA) of 1990 lacked proper consolidation and proved to be inadequate in preventing and responding to oil spillages. A timeline produced by the World Resources Institute (WRI) highlights some key events in oil drilling governance and regulatory system that ultimately govern oil spills in the United States. Although the OPA provides a framework for oil spillage governance recent events resulting in the BP deep water