Readings of Sea Area Monitoring (Seawater) by NRA
From May 2013 to Fabruary 2018   Secretariat of the Nuclear Regulation Authority

Based on "General Monitoring Plan", the Secretariat of the Nuclear Regulation Authority conducts sea area monitoring to figure out dispersion, deposition and migration of radioactive substances rel...
Based on "General Monitoring Plan", the Secretariat of the Nuclear Regulation Authority conducts sea area monitoring to figure out dispersion, deposition and migration of radioactive substances released into the environment. Measurements of marine soil in Tokyo bay and offshore (30 - 90 km from coastal line) of Miyagi Prefecture, Fukushima Prefecture and Chiba Prefecture are conducted considering continuity with past monitoring. The data here was created based on the results of measurement.
Publicly available data collected from the website of the relevant organizations and converted into CSV, XML, and KML formats that were easy to use.

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