Safety board faults key device in BP oil spill

This aerial April 21,2010 file photo, taken in the Gulf of Mexico, more than 50 miles southeast of Venice on Louisiana's tip, shows an oil slick is seen as the Deepwater Horizon oil rig burns. (AP Photo/Gerald Herbert, File)
This aerial April 21,2010 file photo, taken in the Gulf of Mexico, more than 50 miles southeast of Venice on Louisiana's tip, shows an oil slick is seen as the Deepwater Horizon oil rig burns. (AP Photo/Gerald Herbert, File)

WASHINGTON (AP) – A federal investigative board concludes that the last-ditch safety device that didn’t stop the 2010 BP oil spill had multiple failures, wasn’t tested properly and still poses a risk for many rigs drilling today.

The report issued Thursday by the U.S. Chemical Safety Board zeroes in on what went wrong with the blowout preventer and blames bad management and operations. And that, they said, led to the dumping of 172 million gallons of oil into the Gulf of Mexico.

Investigators have long known that the device failed. But safety board managing director Daniel Horowitz says the problems were worse than officials had figured and are potentially still a problem for some active rigs now.

The massive blowout preventers use multiple mechanisms to choke off the oil flow.

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