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One of four example estimates of the plutonium (Pu-239) plume from the 1957 fire at the Rocky Flats nuclear weapons plant. The Rocky Flats Plant, a former United States nuclear weapons production facility located about 15 miles (24 km) northwest of Denver, caused radioactive (primarily plutonium, americium, and uranium) contamination within and outside its boundaries. [1]
The Rocky Flats Plant was a United States manufacturing complex that produced nuclear weapons parts near Denver, Colorado. [2] The facility's primary mission was the fabrication of plutonium pits, [3] the fissionable part of a bomb that produces a nuclear explosion.
After the fire, plutonium was detected near a school 12 miles (19 km) away and around Denver 17 miles (27 km) away. An independent group of scientists conducting off-site testing 13 years later found plutonium contamination in areas in nearby Rocky Flats to be 400 to 1,500 times higher than normal, higher than any ever recorded near any urban ...
Watchdogs are raising new concerns about legacy contamination in Los Alamos, the birthplace of the atomic bomb and home to a renewed effort to manufacture key components for nuclear weapons. A ...
Apr. 14—It's been almost 80 years since the first atomic bomb was detonated, and scientists say there's still much to learn about how nuclear devices function as they reach the point of exploding.
The plutonium, dissolved in an organic solvent, flowed into the center of the vortex. Due to a procedural error, the mixture contained 3.27 kg of plutonium, which reached criticality for about 200 microseconds. Kelley received 3,900 to 4,900 rad (36.385 to 45.715 Sv) according to later estimates.
BOMARC Site RW-01 is a 75-acre (30 ha) [1] fenced-off site contaminated primarily with "weapons-grade plutonium (WGP), highly-enriched and depleted uranium." On 7 June 1960 an explosion in a CIM-10 Bomarc missile fuel tank caused the accident and subsequent contamination.
The footage, believed to taken from a terminal inside the Ronald Reagan National Airport, captured the moment of impact between AA Flight 5342 and the Army Black Hawk helicopter at about 9 p.m.