Today, federal officials released a revised estimate of the flow rate and total amount of oil spilled during the Deepwater Horizon disaster.
They estimate that the flow rate varied from 62,000 to 53,000 barrels a day over the 87 days that oil was spilling.
The new estimates reflect the collaborative work and discussions of the National Incident Command’s Flow Rate Technical Group (FRTG), led by United States Geological Survey (USGS) Director Marcia McNutt, and a team of Department of Energy (DOE) scientists and engineers, led by Energy Secretary Steven Chu.
Note, the serious underestimates made by Coast Guard in the first weeks of the spill.
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