European Legislation

EU Directive 2013/59/Euratom

The Council Directive 2013/59/Euratom sets basic safety standards for protection against ionising radiation, including radon exposure.

  • Establishes reference levels for radon concentration in workplaces and dwellings
  • Requires Member States to establish National Radon Action Plans
  • Mandates workplace measurements and remedial actions when necessary

National Legislation & Action Plans

Netherlands Netherlands National Radon Action Plan

The Netherlands has implemented comprehensive radon legislation following EU Directive 2013/59.

  • Reference level of 300 Bq/m³ for workplaces
  • Mandatory measurements in high-risk areas
  • Requirements for radon-proof construction in new buildings
  • Public awareness campaigns and information programs
Belgium Belgian National Radon Action Plan 2020-2025

Belgium's comprehensive strategy addresses radon risks through a multi-faceted approach involving federal and regional authorities.

  • Reference level of 300 Bq/m³ for existing buildings and workplaces
  • Target of 100 Bq/m³ for new constructions
  • Radon mapping and identification of priority areas

Key Reference Levels

EU Maximum Level

300 Bq/m³

EU Directive 2013/59 Maximum
WHO Recommended Level

100 Bq/m³

World Health Organization
Health Information
Lung Cancer Risk:

Second leading cause of lung cancer after smoking

Lung Cancer Attribution: 3-14%

Percentage of lung cancer cases attributed to radon

Risk Increase: 16%

Risk increase per 100 Bq/m³ increase in radon concentration

Non-Smokers:

Significant risk even for non-smokers exposed to radon


Data Source: WHO Handbook on Indoor Radon (2009)
View WHO Source