Nearly three years after a deadly mine explosion in West Virginia, a former Massey Energy mine superintendent has been sentenced to prison and federal regulators have toughened a regulation that could have helped prevent the disaster.
The sentencing was part of a plea agreement in which May is cooperating with federal prosecutors as they continue to investigate the April, 2010, explosion that killed 29 coal miners at Massey's Upper Big Branch mine.
May pleaded guilty to one count of conspiracy and admitted to ordering a company electrician to disable a methane monitor on a mining machine so it could continue to cut coal without automatic shutdowns. ...NPR
Am I right? Is that 27 days per miner?