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Announcement of the Results of Seawater and Seabed Sediment Quality Monitored by the 3rd Monitoring of the Area Stricken by the Great East Japan Earthquake

April 13, 2012

The Ministry of the Environment (MOE) recently announced the results of seawater and seabed sediment quality monitored by the 3rd monitoring of the area stricken by the Great East Japan Earthquake, such as Fukushima. In both seawater and seabed sediments, neither living environment items nor health items exceeding the environmental quality standards was found. Debris on seabed over 1km offshore was searched using side scanning sonar. In Sanriku district, more debris, such as parts of cars and pieces of factory roofs was found in the coastal area than in the offshore area. We have also conducted research to detect radioactive substances in sea water and seabed sediments.


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