This data was created based on analysis results of
radioactive strontium in land soil and plants, available in the Monitoring Information of
Environmental Radioactivity Level, the portal site run by Secretariat of the Nuclear Regulation
Authority. The samplings were conducted on March 16, 17 and 19, 2011.
Publicly available data collected from the website of the
relevant organizations and converted into CSV, XML, and KML formats that were easy to use.