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Hanford Nuclear Tank in Washington State is Leaking Liquids

By ACFEI Staff2, CHS-III      ( 0 ) Comments   |   Published On Wednesday, February 20th, 2013

Hanford Nuclear Tank in Washington State is Leaking Liquids

The long-delayed cleanup of the nation's most contaminated nuclear site became the subject of more bad news Friday, when Washington Gov. Jay Inslee announced that a radioactive waste tank there is leaking.

The tanks, which are already long past their intended 20-year life span, hold millions of gallons of a highly radioactive stew left from decades of plutonium production for nuclear weapons.

Gov. Inslee said the leak could be in the range of 150 gallons to 300 gallons over the course of a year and poses a potential long-term threat to groundwater and rivers.

The tank in question contains about 447,000 gallons of sludge, a mixture of solids and liquids with a mud-like consistency. The tank, built in the 1940s, is known to have leaked in the past, but was stabilized in 1995 when all liquids that could be pumped out of it were removed.

Inslee said the tank is the first to have been documented to be losing liquids since all Hanford tanks were stabilized in 2005. His staff said the federal government is working to assess other tanks.

Today, Hanford is the nations most contaminated nuclear site. Cleanup will cost billions of dollars and last decades.

Central to that cleanup is the removal of millions of gallons of a highly toxic, radioactive stew — enough to fill dozens of Olympic-size swimming pools — from 177 aging, underground tanks. Many of those tanks have leaked over time — an estimated 1 million gallons of waste — threatening the groundwater and the neighboring Columbia River, the largest waterway in the Pacific Northwest.


Source: The Christian Science Monitor, http://www.csmonitor.com/USA/Latest-News-Wires/2013/0216/Hanford-nuclear-tank-in-Washington-State-is-leaking-liquids

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