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IS-47
Spain
Reference Level: 300 Bq/m³
Overview
Scope: Workplaces
Authority: Consejo de Seguridad Nuclear (CSN)
Legal Reference: Instrucción IS-47, Art. 4 — BOE 2024
Measurement Protocol
Duration: ≥3 months
Detector Type: Passive track-etch detectors (CR-39)
Measurement Season: October 1 - May 31
Laboratory Requirements
Accreditation: UNE-EN ISO/IEC 17025 accredited laboratory