Chart Radioactive Contamination (image) Max-Planck-Gesellschaft Caption This shows the global risk of radioactive contamination. The map shows the annual probability in percent of radioactive contamination by more than 40 kilobecquerels per square meter. In Western Europe the risk is around two percent per year. Credit Daniel Kunkel, MPI for Chemistry, 2011 Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.