From Greenwire:

One word could describe U.S. EPA’s oversight of BP PLC’s decision to pour 1.84 million gallons of oil-dispersing chemicals into the Gulf of Mexico during the Deepwater Horizon oil spill: uncertain.

Responding to growing public unease last year over BP’s strategy of fighting a massive chemical spill with more chemicals, EPA flexed its regulatory muscle. The result was not confidence-inspiring: a shoving match between the world’s largest environmental regulator and one of the world’s largest oil companies that showed how little the regulators understood about oil dispersants.

One year later, scientists say little has changed.

Decisionmaking about the use of dispersants to combat the oil pouring out of the Macondo well 5,000 feet below the Gulf surface were driven more by politics, circumstances of supply and availability, and educated guesswork than by informed science, experts say.

More.

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