Earliest weapons-grade plutonium found in US dump - tech - 21 January 2009 - New Scientist - 0 views
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Energy Net on 21 Jan 09An old glass jar inside a beaten up old safe at the bottom of a waste pit may seem an unlikely place to find a pivotal piece of 20th century history. But that's just where the first batch of weapons-grade plutonium ever made has been found - abandoned at the world's oldest nuclear processing site. See a gallery of images of the find and where it came from The potentially dangerous find was made at Hanford, Washington State, the site of a nuclear reservation, established in 1943 to support the US's pioneering nuclear weapons program. Hanford made the plutonium-239 for Trinity, the first ever nuclear weapon test, on 16 July 1945. Just three-and-a-half weeks later, more Hanford plutonium was used in the nuclear strike on the Japanese city of Nagasaki.