STUK supervises
Continuous regulatory control programme
In Finland, the Radiation and Nuclear Safety Authority is responsible for nationwide environmental radiation control. The regulatory responsibility is based on the Decree on the Radiation and Nuclear Safety Authority and the Radiation Decree.
In addition, the European Union Member States are obliged under the Euratom Treaty to continuously monitor the levels of radioactivity in the air, water and soil. Together with STUK, the Finnish Meteorological Institute and the Finnish Defence Forces carry out radioactivity surveillance at their own observation stations.
Environmental Radiation Surveillance and Emergency Preparedness of STUK is accredited as Testing Laboratory T167 (EN ISO/IEC 17025:2005) by the Finnish Accreditation Service (FINAS) for Environmental Radiation Surveillance and Emergency Preparedness. Nearly all analyses conducted by STUK relating to environmental radiation surveillance are carried out in compliance with the accreditation criteria.
From the links in the table to the measurement results.
| Target of monitoring | Measurement and sampling sites | Radioactive material or quantity measured | Sampling frequency | Responsible organization |
|---|---|---|---|---|
| External radiation | Automatic monitoring network, 255 monitoring stations | Dose rate (µSv/h) | Continuous measurement | STUK |
| Radioactive materials in outdoor air | Helsinki, Kotka, Imatra, Kuopio, Rovaniemi, Kajaani, Sodankylä, Ivalo | Radioactive materials emitting gamma radiation (µBq/m3) | 1/day - 1/week | STUK, Finnish Meteorological Institute |
| Total beta activity in outdoor air | Nine sampling localities | Total beta activity (µBq/m3) | 1/day or 1/week | Finnish Meteorological Institute |
| Deposition | Helsinki, Kotka, Imatra, Kuopio, Rovaniemi, Kajaani, Sodankylä, Ivalo | Radioactive materials emitting gamma radiation Sr-90 (Bq/m2) | Gamma, 4/ year, Sr-90, 1/ year |
STUK |
| Surface water | Kymijoki, Oulujoki, Kemijoki, Kokemäenjoki | Radioactive materials emitting gamma radiation (Bq/m3) | 1/ year | STUK |
| Household water | Helsinki, Turku, Tampere, Oulu, Rovaniemi | Radioactive materials emitting gamma radiation, H-3, Sr-90 (Bq/l) | 2/ year | STUK |
| Milk | Riihimäki, Joensuu, Jyväskylä, Seinäjoki, Oulu (dairies) | Radioactive materials emitting gamma radiation, Sr-90 (Bq/l) | Gamma, 12/ year, Sr-90, 4/ year |
STUK |
| Foodstuffs | Helsinki, Tampere, Rovaniemi | Radioactive materials emitting gamma radiation, Sr-90 (Bq/kg) | 2/year | STUK |
| Radioactivity in the human body | Helsinki, Tampere, Rovaniemi | Radioactive materials emitting gamma radiation (Bq) | 1/year | STUK |
| Wastewater sludge | Helsinki | Radioactive materials emitting gamma radiation (Bq/kg) | 4/year | STUK |
| Radioactive substances in the Baltic Sea | Baltic Sea | Radioactive materials emitting gamma radiation, Sr-90, Pu-239,240 (Bq/m3 or Bq/kg) | STUK | |
|
Indoor radon |
All of Finland | Rn-222 (Bq/m3) | Continuous | STUK |
- Environmental Radiation Monitoring in Finland : Annual Report 2020 (Julkari.fi)
- Environmental Radiation Monitoring in Finland : Annual Report 2019 (Julkari.fi)
- Environmental Radiation Monitoring in Finland : Annual Report 2018 (Julkari.fi)
- Surveillance of Environmental Radiation in Finland : Annual Report 2017 (Julkari.fi)
Karhunen, Tero; Kojo, Katja; Kurttio, Päivi; Mattila, Aleksi; Paatero, Jussi; Peltonen, Tuomas; Perälä, Marjo; Simola, Reko; Torvela, Tiina; Turunen, Jani; Vartti, Vesa-Pekka; Virtanen, Sinikka.
Ympäristön säteilyvalvonta Suomessa : Vuosiraportti 2020.
STUK-B268.
2021.
Mattila, Aleksi; Inkinen, Samu.
Ympäristön säteilyvalvonta Suomessa : Vuosiraportti 2019; Strålningsövervakning av miljön i Finland : Årsrapport 2019; Environmental Radiation Monitoring in Finland Annual : Report 2019.
STUK-B249.
2020.
Mattila, Aleksi; Inkinen, Samu.
Ympäristön säteilyvalvonta Suomessa : Vuosiraportti 2018.
STUK-B236.
2019.
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