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Dispersants are said to facilitate the digestion of the oil by microbes but conflicting results have been reported on this in the context of the Deepwater Horizon oil spill. [161] Mixing dispersants with oil at the wellhead would keep some oil below the surface and, in theory, allow microbes to digest the oil before it reached the surface.
May 22 – Obama signs an executive order establishing the bipartisan National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling [67] [68] May 23 – BP rebuffs EPA order to change its dispersants. BP says that if oil reaches the shore, it would do more environmental harm than if it were dispersed off the coast.
This had never previously been tried but due to the unprecedented nature of this spill, BP along with the USCG and the EPA, decided to use "the first subsea injection of dispersant directly into oil at the source". [40] Dispersants are said to facilitate the digestion of the oil by microbes. Mixing the dispersants with the oil at the wellhead ...
By comparison, Corexit, the oil dispersant used in the Deepwater Horizon oil spill, is rated at 54.7% effective against South Louisiana crude oil and three times as lethal to silverfish and more than twice as lethal to shrimp. [5] On May 20, US Polychemical Corporation was reported to have received an order from BP for Dispersit SPC 1000. [6]
The BP (BP) oil spill may be over, but controversy over the company's use of toxic oil dispersants in the Gulf of Mexico is still going strong. Although BP allegedly stopped using the chemicals ...
The EPA tells BP to find a new dispersant to replace Corexit EC9500A and Corexit EC9527A that are either comparable or 10 to 20 times more toxic than 12 other dispersants on the EPA's approved list. BP applied 650,000 gallons of the chemical that breaks up oil since the spill began. [31]
The Gulf of Mexico were still feeling the disastrous effects of the Deepwater Horizon oil spill of April 2010. Marsh grass retained plant-smothering oil, and the soil continued to crumble away at a faster rate than before the spill, causing the shoreline to retreat more rapidly than it would otherwise, a new study showed [19]
SINGAPORE (Reuters) -Two large oil tankers were on fire on Friday after colliding in waters near Singapore, the world's biggest refuelling port, with two crew members airlifted to hospital and ...