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 in August 2010. USF's David Hollander remarked, "Oil's presence on the ocean floor didn't diminish with time; it grew" and he pointed out, "the layer is distributed very widely," radiating far from the wellhead. In 2013, some scientists at the "Gulf of Mexico Oil Spill and Ecosystem Science Conference" said that as much as one-third of the oil may have been mixed with deep ocean sediments and dragged to the bottom of the ocean floor where it remains, risking damage to ecosystems and commercial fisheries. Oil at or near the site of the spill following well closure has suggested to