In the Tokai and the Oarai areas there are total of seventeen enterprises, different in size and kind, connected with nuclear energy. Environmental monitoring is carried out in the cooperation of the Government, local governments and enterprises according to the plans by a prefectural monitoring committee.
The purpose is in the following three aspects:
(1) Estimation of the dose of general people, based on environmental radioactivity and released radioactivity data
(2) Grasping the radioactive accumulation on long-terms
(3) Detection of abnormal releases from the enterprises at an early stage.
By environmental monitoring made thus far, no rise in environmental radioactivities due to the enterprises is indicated.
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