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STUK Workplace Protocol
Finland
Reference Level: 300 Bq/m³
Overview
Scope: Workplaces
Authority: Säteilyturvakeskus (STUK)
Legal Reference: Radiation Act 859/2018 — STUK Guidelines
Measurement Protocol
Duration: 2-3 months
Detector Type: Track-etch detectors; monitors ≥2 months also acceptable
Measurement Season: September 1 - May 31 (wider window)
Laboratory Requirements
Accreditation: Methods approved by STUK