Finnish Company Claims Its Copper Canisters Can Store Nuclear Waste for 100,000 Years

Wednesday, December 2, 2009 - 10:56 in Earth & Climate

While the fate of America's Yucca Mountain appears to be sealed, Finnish company Posiva is moving forward with a cutting-edge nuclear waste storage facility that it claims will safely store radioactive waste in drums deep in the ground for 100,000 years. While challenges abound, a green light from the Finnish government expected by 2012 will make the site on Finland's Olkiluoto Island the first permanent nuclear waste repository in the world, opening the door for more to follow. The task is not a small one, however. First, Posiva carved nearly 16,500 feet of tunnels, collecting borehole samples along the way to ensure that the bedrock is solid and that water -- a nuclear waste repository's biggest enemy -- cannot get in. Then they had to figure out how to create the nearly 29-ton copper storage bins lined with iron and sealed with a weld so precise that it will hold through...

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