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Corexit 9500 was designed to replace Corexit 9527. In 2002, Corexit 9527 and Corexit 9500 were the only two chemical dispersants stockpiled in large quantities in the U.S.A. [ 15 ] An estimated 2.5 million gallons of chemicals were used in response to the supertanker SS Torrey Canyon oil spill in the United Kingdom in 1967 . [ 16 ]
Additional safety concerns were raised by the use of roughly nine million litres of oil dispersants, Corexit 9527 and 9500, during the clean-up operation. It was the largest known application of such dispersants to date, [9] and the first use of dispersants at that depth. [10]
David Abramson, director of research for Columbia's National Center for Disaster Preparedness, noted the increased risk of mental disorders and stress-related health problems. [15] In August, the group released their conclusions in a report, "Workshop Summary: Assessing the Effects of the Gulf of Mexico Oil Spill on Human Health".
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 slick was described in the official report as "a moderate sheen with streaks of heavy dark oil moving round the stern of the vessel." Tug boats were driven through the slick in an attempt to break it up, and the spraying of chemical dispersant commenced soon after the spill occurred. 400 litres of Corexit 7764 and 4200 litres of Corexit 9527 were supplied by Santos.
Sign protesting use of toxic Corexit chemical dispersant in the Deepwater Horizon oil spill, at the Bastille Day Tumble, French Quarter, New Orleans Environmental scientists say the dispersants, which can cause genetic mutations and cancer, add to the toxicity of a spill, and expose sea turtles and bluefin tuna to an even greater risk than ...
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The primary dispersant used were Corexit 9527 and 9500, which were controversial due to toxicity. In 2012, a study found that Corexit made the oil up to 52 times more toxic than oil alone, [12] and that the dispersant's emulsifying effect makes oil droplets more bio-available to plankton. [13]