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Report issued 2010 deadly DuPont blast in Tonawanda

Emergency workers at DuPont, Tonawanda in November, 2010
WBFO News file photo
Emergency workers at DuPont, Tonawanda in November, 2010

The U.S. Chemical Safety Board has released its report on a fatal blast at a Tonawanda plant. 

The investigation found 'sparks or heat' from welding on top of a storage tank likely ignited flammable vapors inside the tank - a hazard which had been overlooked by DuPont engineers. 

The November 2010 blast at the River Road facility killed one contractor - and it came less than a year after three similar incidents - including one fatality - at another DuPont plant. 

In Buffalo Thursday, CSB Chairperson Rafael Moure-Eraso said the main message is repairing tanks or "hot work" is a common yet dangerous activity. 

"Hot work incidences across the country continue to cause death, injury property damages with with alarming frequency," said Moure-Eraso. 

 In a written statement, DuPont Plant Manager Ronald Lee said "safety is a core value at DuPont"  and "many improvements" have been made at the Tonawanda plant since the incident.  

In May - OSHA cited DuPont with numerous violations and proposed more than 60-thousand-dollars in fines.