There are "significant construction flaws" in some newer, double-walled storage tanks at Washington state's Hanford nuclear waste complex, which could lead to additional leaks, according to documents ...

One of the 28 giant underground tanks was found to be leaking in 2012. But subsequent surveys of other double-walled tanks performed for the U.S. Department of Energy by one of its Hanford contractors ...

SPOKANE — A large, double-walled tank of waste at the nation’s most contaminated nuclear site is leaking into its outer shell, raising new concerns about the long-term storage of the radioactive brew ...

SPOKANE — While one of the newer double-walled nuclear-waste storage tanks at a Hanford complex has leaked, six others have “significant construction flaws” that could lead to additional leaks, ...

SPOKANE, Wash. — While one of the newer double-walled nuclear waste storage tanks at a Washington state complex has leaked, six others have “significant construction flaws” that could lead to ...

SPOKANE — Underground nuclear waste storage tanks on the Hanford Nuclear Reservation continue to deteriorate, raising questions about how the wastes will be managed in the future, according to a ...