Leaking Valve Suspected in DuPont Chemical Leak That Killed Four – NBCNews.com

Leaking Valve Suspected in DuPont Chemical Leak That Killed Four
NBCNews.com
Officials believe a leaky valve was partly to blame for a chemical accident that killed four workers at a DuPont plant near Houston and that some of those killed were responding to the leak when they were overcome, the plant manager said. “There are no …