US scientists question use of dispersants on Gulf oil spill

Senators and scientists are asking questions about the use of dispersants to tame the Deepwater Horizon oil spill, expressing concerns about the long-term impacts of what is being called a "toxic brew."

BP poured around two million gallons of a dispersant called Corexit on the surface oil during the attempt to gain control over the Deepwater Horizon oil spill that went unchecked for 100 days. Controversy has raged over the decision to use the chemicals to break up the oil slick, with many charging the chemicals are toxic. The EPA maintains the chemicals are safe.

Earlier this month, EPA employee Hugh Kaufman came forward to say the EPA knew Corexit was toxic.

The US Senate Committee on Environment and Public Works has scheduled an oversight hearing on the use of dispersants in the Gulf of Mexico for Wednsday, where toxicologist Dr. Ron Kendall will be testifying, as are three other scientists.

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