Cause Of Deadly Leak At Texas Plant Still Unknown
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LA PORTE, Texas (AP) — DuPont company officials say it remains unclear what caused a toxic chemical to leak from a valve at a suburban Houston plant, killing four workers and injuring a fifth.
DuPont spokesman Aaron Woods said Sunday the company is investigating the cause of the leak of methyl mercaptan at a plant in La Porte. The chemical is used to create crop-protection products such as insecticides and fungicides.
The workers were exposed early Saturday while responding to the leak.
The injured worker has been released from a hospital.
U.S. Chemical Safety Board spokesman Sandy Gilmour says a seven-person investigative team led by the agency's director, Daniel Horowitz, will arrive at the plant Sunday.
The chemical, which smells of rotten eggs, also is added to odorless natural gas as a safety measure.
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