About STUK

The purpose of the Radiation and Nuclear Safety Authority’s (STUK) operations is to protect people, society, the environment and future generations from the harmful effects of radiation. In this section, you can read about STUK’s operations.

Current issues

There are still radioactive substances in nature in Finland that originate from the Chernobyl nuclear power plant accident.  The annual report on Environmental Radiation Monitoring in Finland by the Radiation and Nuclear Safety Authority details radioactive substances found in nature last year that do not originally bel...

In its monitoring project, the Radiation and Nuclear Safety Authority (STUK) examined the UV intensity of six devices used to attach lash extensions. The devices are used in beauty care to cure lash extension glue using UV radiation and have grown in popularity over the last couple of years.