NEW ORLEANS - Forensic testing of a key piece of evidence in the Gulf oilspill investigation could take twice as long as expected.
An investigator with the U.S. Chemical Safety Board -- one ofthe groups monitoring the testing -- said Friday his agency hasbeen advised the examination may not finish until March 20.
The Interior Department had said testing of the 300-ton blowoutpreventer that failed to stop oil from spewing into the Gulf ofMexico following last year's rig explosion would take two monthsonce it started Nov. 16.
That timeframe passed on Sunday.
The device, raised from the seafloor Sept. 4, sat at a NASAfacility in New Orleans for two months before testing started.
A federal investigative team overseeing the testing isn'tcommenting.
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