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The incurable cancer threat remains despite the recent anthropogenic geographical interstices of the Rocky Flats Superfund site: the current Rocky Flats Site (OU1), Rocky Flats National Wildlife Refuge (OU2), Jefferson Parkway (OU2), and offsite lands (OU3) where respirable - Plutonium Dioxide - dust remains.
Soil contamination/Plutonium update 4/1/20 - Michael Ketterer
Decades of studies have demonstrated that soils from the Rocky Flats National Wildlife Refuge and surroundings contain elevated levels of plutonium (239+240Pu). The plutonium originating from Rocky Flats is found in two distinct forms: a) plutonium that is dispersed relatively uniformly on the surfaces of all the soil particles, and b) “hot particles” of essentially pure plutonium dioxide.
Important Review Paper: A Quick Look at Plutonium Contamination from Rocky Flats
The first of the two nuclear bombs used against Japan was a uranium bomb dropped on the city of Hiroshima. The second bomb, which destroyed Nagasaki, was a plutonium bomb. U.S. authorities soon realized that plutonium bombs weighed less but had a bigger explosion, so they decided that all future U.S. nuclear bombs would be made with plutonium. The Austin Company of Cleveland, Ohio, was given the task of selecting a site for this plutonium work. They chose a place called Rocky Flats, 16 miles northwest of downtown Denver.
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