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6 leaking tanks are Hanford nuke site's latest woe

Hanford Nuclear Reservation stores highly radioactive waste underground near Richland, Wash. Wells nearby monitor the area’s water for contamination.

Associated Press (2010)

Hanford Nuclear Reservation stores highly radioactive waste underground near Richland, Wash. Wells nearby monitor the area’s water for contamination.

YAKIMA, Wash. — Federal and state officials say six underground tanks holding a brew of radioactive and toxic waste are leaking at the country's most contaminated nuclear site in south-central Washington, raising concerns about delays for emptying the aging tanks.

The leaking materials at Hanford Nuclear Reservation pose no immediate risk to public safety or the environment because it would take perhaps years for the chemicals to reach groundwater, Washington Gov. Jay Inslee said Friday.

But the news has renewed discussion over delays for emptying the tanks, which were installed decades ago and are long past their intended 20-year lifespan.

"None of these tanks would be acceptable for use today. They are all beyond their design life. None of them should be in service," said Tom Carpenter of Hanford Challenge, a Hanford watchdog group. "And yet, they're holding two-thirds of the nation's high-level nuclear waste."

Just last week, state officials announced that one of Hanford's 177 tanks was leaking 150 to 300 gallons a year, posing a risk to groundwater and rivers. So far, nearby monitoring wells haven't detected higher radioactivity levels.

Inslee then traveled to Washington, D.C., to discuss the problem with federal officials, learning in meetings Friday that six tanks are leaking.

Department of Energy spokeswoman Lindsey Geisler said there was no immediate health risk and that federal officials would work with Washington state to address the matter.

6 leaking tanks are Hanford nuke site's latest woe 02/23/13 [Last modified: Saturday, February 23, 2013 9:13pm]

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