FY2024 Radioactive Material Monitoring Surveys of the Water Environment

1.Survey Overview

• Survey Overview[PDF 4.2MB]

2. Results of each prefecture

• (Iwate Prefecture) Outline of results and maps [PDF 1.4MB]
• (Iwate Prefecture) Results[Excel 68KB]
• (Miyagi Prefecture) Outline of results and maps [[PDF 1.4MB]
• (Miyagi Prefecture) Results[Excel 189KB]
• (Fukushima Prefecture) Outline of results and maps[PDF 2.9MB]
• (Fukushima Prefecture) Results[Excel 763KB]
• (Ibaraki Prefecture) Outline of results and maps[PDF 1.6MB]
• (Ibaraki Prefecture) Results[Excel 178KB]
• (Tochigi Prefecture) Outline of results and maps [PDF 1.2MB]
• (Tochigi Prefecture) Results[Excel 170KB]
• (Gunma Prefecture) Outline of results and maps[PDF 1.3MB]
• (Gunma Prefecture) Results[Excel 177KB]
• (Chiba Prefecture) Outline of results and maps[PDF 1.5MB]
• (Chiba Prefecture) Results[Excel 153KB]
• (Saitama Prefecture) Outline of results and maps[PDF 1.3MB]
• (Saitama Prefecture) Results[Excel 30KB]
• (Tokyo Metropolis) Outline of results and maps[PDF 1.4MB]
• (Tokyo Metropolis) Results[Excel 47KB]

3.Graphs

Rivers(sediment)

• Number of Samples[PDF 182KB]
• Fluctuation(Abukumagawa River System)[PDF 62KB]
• Fluctuation(Tonegawa River System)[PDF 82KB]

Lakes(sediment)

• Number of Samples[PDF 184KB]
• Fluctuation(Fukushima Prefecture)[PDF 84KB]
• Fluctuation(Aizu, Fukushima Prefecture) [PDF 39KB]
• Fluctuation(Nakadori, Fukushima Prefecture)[PDF 75KB]
• Fluctuation(Hamadori, Fukushima Prefecture) [PDF 60KB]
• Fluctuation(Miyagi Prefecture, Ibaraki Prefecture)[PDF 374KB]
• Fluctuation(Tochigi Prefecture, Gunma Prefecture, Chiba Prefecture) [PDF693KB][PDF 61KB]

Sea Areas (sediment)

• Number of Samples [PDF 214KB]
• Fluctuation(Coastal areas) [PDF 63KB]

4. Analysis of Radioactive Strontium

• Results of the FY2024Analysis of Radioactive Strontium [PDF 83KB]
• Results[Excel 26KB]

5. List of Detected Gamma-Ray Emitting Radionuclides Other than Cs-134 and Cs-137

• List of Detected Gamma-Ray Emitting Radionuclides[PDF 83KB]