ISO INTERNATIONAL STANDARD 3925 Secondedition 2014-01-15 Unsealed radioactive substances Identification and documentation Substances radioactives non scellees - Identification et documentation Reference number IS0 3925:2014(E) TSO IS02014 IHS under lic itted without license from IHS Not for Resale IS0 3925:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2014 All rights reserved. Unless otherwise specified, 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 the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyrightoffice Case postale 56:CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved No reproductic networking permited without license from IHS Not for Resale IS0 3925:2014(E) Contents Page Foreword ..iv 1 Scope 2 Normative references 3 Terms and definitions 4 Identification 5 Certificate 2 Bibliography .3 iii ense with ISt ited without license from IHS Not for Resale