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  2. Health consequences of the Deepwater Horizon oil spill

    en.wikipedia.org/wiki/Health_consequences_of_the...

    Toxicologist and marine biologist Riki Ott has also spoken on the toxicity of the spilled crude oil and of the dispersant Corexit, "The dispersants used in BP's draconian experiment contain solvents, such as petroleum distillates and 2-butoxyethanol. Solvents dissolve oil, grease, and rubber.

  3. Corexit - Wikipedia

    en.wikipedia.org/wiki/Corexit

    Early products in the line included Corexit 7664 [4] and Corexit 8666. Corexit 9527 is one of the first modern concentrate dispersants and has been in use since the mid 1970s. 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 ...

  4. Oil dispersant - Wikipedia

    en.wikipedia.org/wiki/Oil_dispersant

    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 ]

  5. Environmental impact of the Deepwater Horizon oil spill

    en.wikipedia.org/wiki/Environmental_impact_of...

    The oil slick as seen from space by NASA's Terra satellite on 24 May 2010. The 2010 Deepwater Horizon oil spill in the Gulf of Mexico has been described as the worst environmental disaster in the United States, releasing about 4.9 million barrels (210 million US gal; 780,000 m 3) of crude oil making it the largest marine oil spill in history.

  6. Deepwater Horizon oil spill response - Wikipedia

    en.wikipedia.org/wiki/Deepwater_Horizon_oil...

    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 ...

  7. Deepwater Horizon oil spill - Wikipedia

    en.wikipedia.org/wiki/Deepwater_Horizon_oil_spill

    A 2014 bluefin tuna study in Science found that oil already broken down by wave action and chemical dispersants was more toxic than fresh oil. [228] A 2015 study of the relative toxicity of oil and dispersants to coral also found that the dispersants were more toxic than the oil. [229]

  8. Toxicity category rating - Wikipedia

    en.wikipedia.org/wiki/Toxicity_category_rating

    In 40 CFR 156.62, the EPA established four Toxicity Categories for acute hazards of pesticide products, with "Category I" being the highest toxicity category (toxicity class). Most human hazard, precautionary statements, and human personal protective equipment statements are based upon the Toxicity Category of the pesticide product as sold or ...

  9. Registry of Toxic Effects of Chemical Substances - Wikipedia

    en.wikipedia.org/wiki/Registry_of_Toxic_Effects...

    The name changed later to its current name Registry of Toxic Effects of Chemical Substances. In January 2001 the database contained 152,970 chemicals. In December 2001 RTECS was transferred from NIOSH to the private company Elsevier MDL. Symyx acquired MDL from Elsevier in 2007 and the Toxicity database was included in the acquisition.

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