sabato 3 luglio 2010

Corexit - CNN Reports: Dispersants flow into Gulf in ‘science experiment’

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New Orleans, Louisiana (CNN) — Chemical dispersants keep flowing into the Gulf of Mexico at virtually unchanged levels despite the Environmental Protection Agency’s order to BP to “significantly” scale back, according to a CNN analysis of daily dispersant reports provided by the Deepwater Horizon Unified Command.

When the May 26 directive was issued, EPA Administrator Lisa Jackson said dispersant use should be cut by 75 percent.

Public statements at the time made by the EPA administrator gave the impression that federal officials were trying to cut down overall dispersant use.

“We expect to see a substantial reduction in the overall amount of dispersant used,” Jackson said in May.

Before May 26, BP used 25,689 gallons a day of the chemical dispersant Corexit. Since then, CNN’s analysis shows, the daily average of dispersant use has dropped to 23,250 gallons a day, a 9 percent decline.

Gulf Coast environmentalists say it’s another sign that the federal agencies monitoring dispersant use are not being tough enough with BP.

“I think the EPA has been struggling to respond to this crisis,” said Aaron Viles with the Gulf Restoration Network. “It’s all really a giant science experiment and we’re terribly concerned that in the long run the impacts are going to be significant and we really don’t know what we’re doing to the ecosystem.”

But the EPA argues it deserves credit for getting alarming dispersant use under control. The directive states that BP must ramp down dispersant use by “75 percent from the maximum daily amount used.”

And that’s the catch. The highest recorded amount of dispersant used occurred on May 23, when 70,000 gallons were injected into the Gulf of Mexico. EPA officials say they feared that number would have become the norm and that’s why, they say, the directive was issued.

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