Volume and extent of the Deepwater Horizon oil spill Gulf Coast that prevented vessels from coming within "of booming operations, boom, or oil spill response operations". In a press briefing, USCG admiral Thad Allen said the new regulation was related to safety issues. On CNN's "360", host Anderson Cooper rejected the motivation for the restrictions outright. The Civil Air Patrol also monitored the spill on behalf of the USCG. 27 May 2010 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
Gulf of Mexico Coast Guard Rear Adm. Sally Brice O'Hare stated that the U.S. government will be "employing booms, skimmers, chemical dispersants and controlled burns" to combat the oil spill. By May 1, 2010, the oil spill cleanup efforts were underway, but hampered by rough seas and the "tea like" consistency of the oil. Cleanup operations were resumed after conditions became favorable. On May 27, 2010, The USGS had revised the estimate of the leak from to 12,000– an increase from earlier estimates. On July 15, 2010, BP announced that the leak stopped for the first time in 88 days. In July 2015