Radon in workplaces in Spain
Requirements that apply to workplaces in Spain. They do not apply in other countries.
What the employer must do
Mandatory measurement in workplaces located in radon priority areas (Category I). Reference level 300 Bq/m³. If exceeded, employer must implement mitigation measures and verify effectiveness.
Measurement protocol: IS-47
Compliance: IS-47 (Spanish Regulation)
- Reference level
- 300 Bq/m³
- Minimum duration
- ≥ 3 months
- Detector type
- Passive track-etch detectors (CR-39)
- Measurement period
- October 1 - May 31
- Laboratory
- UNE-EN ISO/IEC 17025 accredited laboratory
- Legal basis
- Instrucción IS-47, Art. 4 — BOE 2024
- Authority
- Consejo de Seguridad Nuclear (CSN)
Official sources
Informative summary. The official text of the regulation prevails. Check the source before taking a compliance decision.
Workplace requirements in other countries