Notes: The Ministry of Health Care is responsible for approval of reference levels for radon in air of buildings and working places and of radon action plan structure and is responsible for organization of selective testing of radon volume activity in buildings and workplaces.  Radiation Protection Centre is the only institution performing indoor radon measurements in Lithuania. Total number of dwellings was surveyed from 1995 until 2019 is more than 3000. A different range and purpose indoor radon surveys were performed or are going on in Lithuania starting year 1995. The types of surveys are indicated below: national survey; survey in regions with higher concentrations of indoor radon identified; survey in multi-storey houses; survey in region of higher radon risk in North part of Lithuania; children’ and teenagers’ institutions survey; indoor radon risk map; indoor radon mapping; geogenic radon potential map; indoor radon in workplaces.
  