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Topic: Radioactive contamination

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In the News (Wed 20 Mar 19)

 Radioactive contamination at opensource encyclopedia   (Site not responding. Last check: 2007-10-21)
When radioactive iodine is released into the environment (as in the Chernobyl accident, for instance) it is taken up by the body and stored in the thyroid, leading to thyroid cancer (which was very common among children who were near the Chernobyl accident).
Actual detection of radioactive contamination proceeds by detection of the emitted radiation, using a geiger counter or a dosimeter.
Nuclear reactors are full of radioactive material, consisting of the nuclear fuel itself, its fission byproducts, and reactor material activated by the neutrons produced in the reactor.
www.wiki.tatet.com /Radioactive_contamination.html   (1474 words)

 Articles - Radioactive contamination   (Site not responding. Last check: 2007-10-21)
Therefore, radioactive material in sealed and designated containers is not properly referred to as contamination, although the units of measurement might be the same.
In a nuclear power plant, detection and measurement of radioactivity and contamination is often the job of a Certified Health Physicist.
Low levels of radioactive contamination pose little risk, but can still be detected by radiation instrumentation.
www.zdiamond.net /articles/Radioactive_contamination   (801 words)

 Technetium   (Site not responding. Last check: 2007-10-21)
The chemical properties of this silvery gray, radioactive, crystalline transition metal are intermediate between rhenium and manganese and it is rarely found in nature.
Tc-95m, with a half-life of 61 days, is used as a radioactive tracer to study the movement of technetium in the environment and in plant and animal systems.
The meta stable (a state where the nucleus is in an excited state) isotope Tc-99m is produced as a byproduct from the fission of uranium in nuclear reactors.
technetium.iqnaut.net   (3556 words)

 Encyclopedia :: encyclopedia : Radioactive   (Site not responding. Last check: 2007-10-21)
Radioactive decay, the emission of charged particles from certain elements
Radioactive opinions, highly controverial views that tend to discredit their holders
This is a disambiguation page, a list of pages that otherwise might share the same title.
www.hallencyclopedia.com /Radioactive   (83 words)

 Radnet General Information
Pu to document radioactive contamination of the biosphere from anthropogenic source points.
While RADNET focuses on contamination resulting from the nuclear fuel cycle in both weapons and nuclear electricity production, it also references exposure from nuclear medicine, x-rays and commercial products in the context of exposure to naturally occurring radiation (NOR) from radon and cosmogenic and terrestrial sources.
The second premise of RADNET is that any credible evaluation of the biological effects of the spread of anthropogenic radioactivity in the biosphere in the second half of the twentieth century must be based on nuclide-specific, media-specific pathway analyses.
www.davistownmuseum.org /cbm/Rad14.html   (1043 words)

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