ISO INTERNATIONAL STANDARD 19238 Third edition 2023-08 Radiological protection - Performance criteria for service laboratories performing biological dosimetry by cytogenetics Dicentric assay Radioprotection - Criteres de performance pour les laboratoires de service pratiquant la dosimétrie biologique par cytogenétique Denombrement des dicentriques Reference number IS0 19238:2023(E) Tso @ ISO 2023 ISO 19238:2023(E) COPYRIGHT PROTECTED DOCUMENT @IS02023 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on or IsoO's member body in the country of the requester. ISO copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2023 - All rights reserved