Ra-226 concentration in the vicinity of Megalopolis in Southern Greece

This map is produced as explained in Anagnostakis et al., 1996 using data from the NTUA data set.

The same data is also referenced in:

United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR)
Sources and Effects of Ionizing Radiation: Report to the General Assembly, with Scientific Annexes
ISBN 92-1-142200-0, United Nations, New York, 1993

The data set is available upon request.