ISO INTERNATIONAL STANDARD 4259-1 First edition 2017-11-01 AMENDMENT 1 2019-09 Petroleum and related products Precision of measurement methods and results - Part 1: Determination of precision data in relation to methods of test AMENDMENT 1 Produits petroliers et connexes - Fidelité des méthodes de mesure et deleurs résultats- Partie 1: Détermination des valeurs de fidélité relatives aux méthodes d'essai AMENDEMENT1 Reference number IS0 4259-1:2017/Amd.1:2019(E) @ IS0 2019 IS0 4259-1:2017/Amd.1:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ IS0 2019 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 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 copyright office CP 401 : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+4122 749 0111 Fax: +41 22 749 09 47 Email: copyright@iso.org Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved