National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling Federal government officials and representatives of BP on the status of the spill and clean-up efforts, as well as from local officials, community leaders, and scientists on the economic, cultural, and ecological impacts of the oil spill on Gulf Coast communities and ecosystems. On October 6, 2010 the commission released preliminary reports criticizing the Obama administration for mismanagement of its response to the "Deepwater Horizon" oil spill. Amongst other things cited were, not being fully candid with the American people, and giving the impression of not being fully competent. On January 11, 2011, the commission released its final report, with
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