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- Radioactive_contamination_from_the_Rocky_Flats_Plant abstract "The Rocky Flats Plant, a former U.S. nuclear weapons production facility located about 15 miles northwest of Denver, caused radioactive (primarily plutonium, americium, and uranium) contamination within and outside its boundaries. The contamination primarily resulted from two major plutonium fires in 1957 and 1969 (plutonium is pyrophoric and shavings can spontaneously combust) and from wind-blown plutonium that leaked from barrels of radioactive waste. Much lower concentrations of radioactive isotopes were released throughout the operational life of the plant from 1952 to 1992, from smaller accidents and from normal operational releases of plutonium particles too small to be filtered. Prevailing winds from the plant carried airborne contamination south and east, into populated areas northwest of Denver.The contamination of the Denver area by plutonium from the fires and other sources was not publicly reported until the 1970s. According to a 1972 study coauthored by Edward Martell, "In the more densely populated areas of Denver, the Pu contamination level in surface soils is several times fallout", and the plutonium contamination "just east of the Rocky Flats plant ranges up to hundreds of times that from nuclear tests." As noted by Carl Johnson in Ambio, "Exposures of a large population in the Denver area to plutonium and other radionuclides in the exhaust plumes from the plant date back to 1953."Weapons production at the plant was halted after a combined FBI and EPA raid in 1989 and years of protests. The plant has since been shut down, with its buildings demolished and completely removed from the site. The Rocky Flats Plant was declared a Superfund site in 1989 and began its transformation to a cleanup site in February 1992. Removal of the plant and surface contamination was largely completed in the late 1990s and early 2000s. Nearly all underground contamination was left in place, and measurable radioactive environmental contamination in and around Rocky Flats will probably persist for thousands of years. The land formerly occupied by the plant is now the Rocky Flats National Wildlife Refuge. Plans to make this refuge accessible for recreation have been repeatedly delayed due to lack of funding and protested by citizen organizations.The Department of Energy continues to fund monitoring of the site, but private groups and researchers remain concerned about the extent and long-term public health consequences of the contamination. Estimates of the public health risk caused by the contamination vary significantly, with accusations that the United States government is being too secretive and that citizen activists are being alarmist.".
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- Radioactive_contamination_from_the_Rocky_Flats_Plant wikiPageExternalLink RockyFlatsPHA051305a.pdf.
- Radioactive_contamination_from_the_Rocky_Flats_Plant wikiPageExternalLink exhibit.
- Radioactive_contamination_from_the_Rocky_Flats_Plant wikiPageExternalLink 1251615995394.
- Radioactive_contamination_from_the_Rocky_Flats_Plant wikiPageExternalLink rkyflatsplant.
- Radioactive_contamination_from_the_Rocky_Flats_Plant wikiPageExternalLink rocky.htm.
- Radioactive_contamination_from_the_Rocky_Flats_Plant wikiPageExternalLink rocky-flats-plant.
- Radioactive_contamination_from_the_Rocky_Flats_Plant wikiPageExternalLink www.rockyflatsnuclearguardianship.org.
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- Radioactive_contamination_from_the_Rocky_Flats_Plant subject Category:1957_in_Colorado.
- Radioactive_contamination_from_the_Rocky_Flats_Plant subject Category:1957_industrial_disasters.
- Radioactive_contamination_from_the_Rocky_Flats_Plant subject Category:1969_in_Colorado.
- Radioactive_contamination_from_the_Rocky_Flats_Plant subject Category:1969_industrial_disasters.
- Radioactive_contamination_from_the_Rocky_Flats_Plant subject Category:Articles_created_via_the_Article_Wizard.
- Radioactive_contamination_from_the_Rocky_Flats_Plant subject Category:Radiation_accidents_and_incidents.
- Radioactive_contamination_from_the_Rocky_Flats_Plant subject Category:Radioactively_contaminated_areas.
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- Radioactive_contamination_from_the_Rocky_Flats_Plant comment "The Rocky Flats Plant, a former U.S. nuclear weapons production facility located about 15 miles northwest of Denver, caused radioactive (primarily plutonium, americium, and uranium) contamination within and outside its boundaries. The contamination primarily resulted from two major plutonium fires in 1957 and 1969 (plutonium is pyrophoric and shavings can spontaneously combust) and from wind-blown plutonium that leaked from barrels of radioactive waste.".
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