ISO INTERNATIONAL STANDARD 20043-2 First edition 2023-07 Measurement of radioactivity in the environment Guidelines for effective dose assessment using environmental monitoring data - Part 2: Emergency exposure situation Mesurage de la radioactivite dans I'environnement - Lignes directrices pour I'évaluation de la dose efficace a I'aide de données de surveillance environnementale- Partie 2: Situations d'exposition d'urgence nucléaire Reference number IS0 20043-2:2023(E) osi @IS02023 IS0 20043-2:2023(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 ISo'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 i @ IS0 2023 - All rights reserved