ISO INTERNATIONAL STANDARD 20890-2 First edition 2020-06 Guidelines for in-service inspections for primary coolant circuit components of light water reactors - Part 2: Magnetic particle and penetrant testing Lignes directrices pour les controles périodiques des composants du circuit primaire des réacteurs a eau légere - Partie 2: Controle par poudre magnétique et ressuage Reference number IS0 20890-2:2020(E) ISO @ IS0 2020 IS0 20890-2:2020(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2020 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may below 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 Fax: +41 22 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2020 - All rights reserved