Standard [CURRENT]
DIN 25457-3:2026-07
Activity measurement methods for the clearance of radioactive substances and nuclear facility components - Part 3: Release of building structures and ground surfaces
- German title
- Aktivitätsmessverfahren für die Freigabe von radioaktiven Stoffen und kerntechnischen Anlagenteilen - Teil 3: Freigabe von Gebäudestrukturen und Bodenflächen
- Publication date
- 2026-07
- Accessibility
- Original language
- German
- Pages
- 53
- Publication date
- 2026-07
- Original language
- German
- Pages
- 53
- DOI
- https://dx.doi.org/10.31030/3668754
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Overview
This document is applicable for the approval of building structures and floor surfaces. This document specifies requirements for the metrological verification of compliance with the release criteria. This document provides guidance on determining activity levels within the scope of measurements used for comparison with release limits. Other methods of activity determination may be more suitable if the total activity is to be balanced or the total released activity is to be determined. This document has been prepared by Working Committee NA 062-07-46 AA "Reststofffragen" ("Questions concerning residues") at DIN Standards Committee Materials Testing (NMP).
Content
ICS
DOI
This document replaces DIN 25457-6:2018-07 , DIN 25457-7:2017-08 .