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港湾：Monitoring of air and seawater radiation in the ports - 国土交通省
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About this page
This page presents radiation monitoring data for air and seawater at Japanese ports under the Ministry of Land, Infrastructure, Transport and Tourism. The radiation levels in Tokyo, Yokohama, Kawasaki, and Ichihara are confirmed to be at very safe levels. The page provides access to radiation dose measurements at ports across Japan, organized by region and prefecture. Links are available to detailed data from various port authorities and regional development bureaus throughout the country, covering areas from Hokkaido to Shikoku and Kyushu regions.
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