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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).
The radiation effects from the Fukushima Daiichi nuclear disaster are the observed and predicted effects as a result of the release of radioactive isotopes from the Fukushima Daiichii Nuclear Power Plant following the 2011 TÅhoku 9.0 magnitude earthquake and tsunami (Great East Japan Earthquake and the resultant tsunami).
Radiation poisoning, also called "radiation sickness" or a "creeping dose", is a form of damage to organ tissue due to excessive exposure to ionizing radiation. The term is generally used to refer to acute problems caused by a large dosage of radiation in a short period, though this also has occurred with long-term exposure to low-level radiation.
Dozens of active and idle laboratories and manufacturing and military facilities across the nation that use, store or are contaminated with radioactive material are increasingly vulnerable to ...
Many sites are contaminated or warehouse decades of radioactive waste, while some perform critical energy and defense research and manufacturing that could be crippled by increasingly ...
The internal radiation exposure of the inhabitants in a village in Korma County/Belarus caused by the existing radioactive contamination has experienced a decrease from a very high level. The external exposure, however, reveals a different picture.
With larger weapons, above 50 kt (200 TJ), blast and thermal effects are so much greater in importance that prompt radiation effects can be ignored. The neutron radiation serves to transmute the surrounding matter, often rendering it radioactive. When added to the dust of radioactive material released by the bomb, a large amount of radioactive ...
The utility responsible for the plant, Tokyo Electric Power (Tepco), has been filtering the contaminated water to remove isotopes, leaving only tritium, a radioactive isotope of hydrogen that is ...