Environmental radioactivity monitoring in Taiwan in the period 1974-1978.

概要

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An islandwide network for environmental radioactivity monitoring established in the Taiwan Province of the Republic of China in 1974 to provide radiation base line data for the government agencies, was described with reference to types of environmental samples taken and types of radioactivity monitored. Both gammaray spectroscopy and radiochemical methods were used to detect fission products and naturally occurring radionuclides in all environmental samples. Emphasis was placed on the analysis of long-lived fission products such as 90Sr and 137Cs. A special feature of the monitoring network is to analyze the fission products in diet of children which is a special nutritious lunch program for the primary school children. Relatively high activity from nuclear testing at Lop Nor during 1974-1978 is indicated with corresponding dates and sequence number of tests.
日本保健物理学会の論文