Volume and extent of the Deepwater Horizon oil spill Volume and extent of the Deepwater Horizon oil spill The "Deepwater Horizon" oil spill was discovered on the afternoon of 22 April 2010 when a large oil slick began to spread at the former rig site. According to the Flow Rate Technical Group, the leak amounted to about of oil, exceeding the 1989 "Exxon Valdez" oil spill as the largest ever to originate in U.S.-controlled waters and the 1979 Ixtoc I oil spill as the largest spill in the Gulf of Mexico. BP has challenged this calculation saying that it is overestimated as it includes over of oil which was
Volume and extent of the Deepwater Horizon oil spill over areas of the gulf to document the scope of the disaster. Meanwhile, Phil Radford documented BP's methods of escaping liability and keeping people hired to clean the oil spill out of areas affected by the oil spill. These accusations were leveled at BP, its contractors, local law enforcement, USCG, and other government officials. Scientists also complained about prevention of access to information controlled by BP and government sources. BP stated that its policy was to allow the media and other parties as much access as possible. On 30 June 2010, the USCG put new restrictions in place across the