Nuclear security

Radioactive substance detected in Helsinki atmosphere - Finland Media

Radiation and Nuclear Safety Authority of Finland (STUK) has detected a small amount of radioactive substances in the air in the Finnish capital of Helsinki, reported Finnish daily Helsingin Sanomat has reported.

The abnormal amount of radioactive substances, including manganese (Mn-54), cobalt (Co-60), and cesium (Cs-134 and Cs-137), were found in early October in samples collected from the city by a STUK's monitoring station located in northern part of Helsinki.

The measured quantities of the substances were so small that they have no effect on human health. However, the finding is so rare that it requires further investigation, said the daily.