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Korean J Epidemiol. 1999 Jun;21(1):72-80. Korean. Original Article.
Choi SY , Kim TH , Chung CK , Cho CK .
Laboratory of Clinical Research.
Laboratory of Radiation Effect.
Korea Cancer Center Hospital, Department of Food and Nutrition, Hallym University.

This study presents data on the externally received doses for radiation workers who used the Korea Radioisotope Association's personal monitoring and dose record keeping service from 1984. Distributions of annual dose by age of worker and occupational category were given. The number of radiation workers registered was 23,257 in 1997. The trend of the number of radiation workers and their annual doses increased since 1984. The measured radiation dose were generally low. The collective annual dose and the mean annual dose were 33.45 Sv and 1.44 mSv, respectively. Very few workers(0.5%) exceeded 20 mSv(2 rem) and only 1 exceeded 50 mSv, the legal limit for dose.

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