Analysis of the data obtained from 1973 to 1975 for the yearly occupational exposure to ionizing radiation on Taiwan with reference to the medical, industrial and research services is given. During the 3 yr monitoring period, the annual dose equivalent did not exceed 500 mrem in 91% of the radiation workers and less than 0.40% exceeded 5 rem. The total average man-rem was about 340 in 1973, 363 in 1974 and 286 in 1975, or less than 363 man-rem annually. The technical assistants were exposed significantly and represented the major occupational personnel. Contrast to other countries' experience, the female radiation workers were less than 10% of the total number of workers being monitored.
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