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V. 4^/11# #44 ##414 #4 #44 4 4#, 4&# 44 4#44 44 444# ###4 #4 ## #44 9144414^=4 4#44 444 ### ^.44 #_&# ^^.7). ^ 444. 5 444 #A}# 3)-^ 9l#4 ^A}^#0)]A^ # A# 4#& # 49144 #44Ag. #7}44 ^ 444 44 4# 44# #44 44# 444. IV Summary I. Project Title Design and construction of a radiation dose database for Korean population II. Objective and Importance of the Project Public concerns on the harmful effects and risk of ionizing radiation especially of nuclear radiation ever increase and lead to "radiophobic" status. This societal atmosphere consequently becomes a serious threat against continued uses of nuclear energy and valuable radiation in spite that the scientific and objective risk of radiation is relatively small compared to the other risks to which citizens are exposed in modern society. This situation may be attributed to many factors including socio political and psychological aspects but one of which would be misunderstanding of radiation risk itself. Although radiation risk involves scientific terms hard to understand for lay people, it is evident that we have been failed in risk communication with the public. As a basic information for risk communication, understanding of facts on our radiation environment is important. In this regard, quantitative assessments and compilation of data describing magnitudes of radiation exposure of citizens from various sources, either artificial or natural, are of prime interest and constitute the objective of this project. III. Scope and Contents This project is a part of continuing endeavor to construct a database and eventually to publish a white paper on the radiation doses to Korean people from various sources of exposure. The scope of study comprises compiling of doses from occupational exposures, medical exposures, and exposure to natural sources of ionizing radiation. The latter includes doses from terrestrial radiation, radon and thoron in air, radioactivity in foodstuffs and also includes assessment of doses to air crew and the passengers from the enhanced cosmic radiation during air travels.
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