A new study finds that dispersant made the BP oil spill worse.
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A new study by researchers at the Georgia Institute of Technology and the Universidad AutonomaÂ de Aguascalientes in Mexico finds that mixing oil with dispersant made the BP oil spill worse. Georgia Tech reports that the two million gallons of dispersant used to clean up the 4.9 million barrels of oil that spilled into the Gulf of Mexico during the 2010 Deep Water Horizon spill made the oil 52 times more toxic.
The researchers discovered that mixing the dispersant with oil raised the toxicity of the mixture up to 52-fold over the oil alone. They found that the mixture’s impacts increased the death rate of rotifers, a microscopic grazing animal at the base of the Gulf’s food web.