Deepwater Horizon litigation to communicate with BP through their attorneys and to take orders from their attorneys." The contracts have the added impact of limiting the number of scientists who are able to work with federal agencies. In August 2010, 77 cases, including those brought by state governments, individuals, and companies, in the U.S. District Court for the Eastern District of Louisiana under Multi-District Litigation docket MDL No. 2179, captioned "In re: Oil Spill by the Oil Rig "Deepwater Horizon" in the Gulf of Mexico, on April 20, 2010", presided over by U.S. District Judge Carl Barbier. Judge Barbier is trying the case
Volume and extent of the Deepwater Horizon oil spill silts and sands onshore. On 26 May 2011, the Louisiana Department of Environmental Quality extended the state of emergency related to the spill. In April 2012, oil was found dotting of Louisiana's coast. As of December 2012, of coastline remain subject to evaluation and/or cleanup operations. On 15 May 2010, researchers from the National Institute for Undersea Science and Technology, aboard the research vessel "RV Pelican", identified oil plumes in the deep waters of the Gulf of Mexico, including one as large as long, wide and thick in spots. The shallowest oil plume the group detected was at about ,