By:
Joan Lowy - Associated Press
WASHINGTON – A rash of pipeline accidents across the country — including one in San Bruno, Calif., last September that killed eight people — has raised safety concerns and overburdened federal investigators, a top safety official said Thursday.
It's too soon to say whether the five accidents the board is investigating indicate widespread safety problems in the pipeline industry, but investigators are looking for recurring problems, National Transportation Safety Board Chairman Deborah Hersman said.