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Radioactive contamination, also called radiological pollution, is the deposition of, or presence of radioactive substances on surfaces or within solids, liquids, or gases (including the human body), where their presence is unintended or undesirable (from the International Atomic Energy Agency (IAEA) definition). [ 3 ]
The full impact on the aquatic systems, including primarily adjacent valleys of Pripyat river and Dnieper river, are still unexplored. Substantial groundwater contamination is one of the gravest environmental impacts caused by the Chernobyl disaster. As a part of overall freshwater damage, it relates to so-called “secondary” contamination ...
Pollution. Bioremediation of radioactive waste or bioremediation of radionuclides is an application of bioremediation based on the use of biological agents bacteria, plants and fungi (natural or genetically modified) to catalyze chemical reactions that allow the decontamination of sites affected by radionuclides. [1]
TEPCO's solution resulted in redirection of the groundwater flows, which could have spread the radioactive contamination further. TEPCO also had plans for pumping groundwater. [further explanation needed] At that time the turbine buildings of units 2 and 3 contained 5000 and 6000 cubic meters of radioactive water respectively. With wells in ...
Burial in a deep geological repository is a favored solution for long-term storage of high-level waste, while re-use and transmutation are favored solutions for reducing the HLW inventory. Boundaries to recycling of spent nuclear fuel are regulatory and economic as well as the issue of radioactive contamination if chemical separation processes ...
The South Korean government has been concerned since 2019 that Japan's release of radioactive water from Fukushima could be non-compliant with Article 2 of the London Protocol to protect the marine environment, but the Japanese government says the release is not applicable because it is a land-based pollution. [68]
The first conversations surrounding dumping radioactive waste into the ocean began in 1958 at the United Nations Law of the Sea Conference (UNCLOS). [12] The conference resulted in an agreement that all states should actively try to prevent radioactive waste pollution in the sea and follow any international guidelines regarding the issue. [12]
In the natural environment, radioactivity of uranium is generally low, [1] but uranium is a toxic metal that can disrupt normal functioning of the kidney, brain, liver, heart, and numerous other systems. [2] Chemical toxicity can cause public health issues when uranium is present in groundwater, especially if concentrations in food and water ...