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
2011 Little Buffalo oil spill dangerous chemicals. According to Alberta Environment spokesman Trevor Gemmell, the spill was contained in stands of stagnant water and was 300 metres from any flowing water. Within two weeks, the company had cleaned up about 33 per cent of the oil, the oil pooled on top of the open water. However, it was estimated that it would take six months to recover most of the oil, including that which had soaked into the vegetation. Everyone involved admitted that restoring it fully was out of the question. The ERCB is the agency responsible for determining the cause of the leak. According