Preliminary Dose Estimation from the nuclear accident after the 2011 Great East Japan Earthquake and Tsunami
This report describes a preliminary estimate of radiation doses to the public resulting from this accident. The dose assessment forms one part of the overall health risk assessment carried out by WHO of the global impact of the accident at the Fukushima Daiichi nuclear power plant. The health risk assessment report was published in February 2013.
About ionizing radiation
Ionizing radiation has always been a part of the human environment. Along with natural radioactive sources present in the Earth's crust and cosmic radiation, man-made sources also contribute to our continuous exposure to ionizing radiation.
Environmental radioactive pollution has resulted from past nuclear weapons testing, nuclear waste disposal, accidents at nuclear power plants, as well as from transportation, storage, loss, and misuse of radioactive sources. While there are risks associated with exposure to radiation benefits of nuclear applications in medicine industry and science are well established. WHO’s radiation programme aims to assure that the benefits of radiation technology far exceeds any known risks.
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- Dose assessment report: preliminary dose estimation from the nuclear accident after the 2011 Great East Japan earthquake and tsunami
Health risk assessment report: Preliminary Health Risk Assessment from the nuclear accident after the 2011 Great East Japan earthquake and tsunami