ISO INTERNATIONAL STANDARD 4259-2 First edition 2017-11 AMENDMENT1 2019-09 Petroleum and related products Precision of measurement methods and results - Part 2: Interpretation and application of precision data in relation to methods of test AMENDMENT 1 Produits pétroliers et connexes-Fidelité des methodes de mesure et deleursresultats- Partie 2:Application des valeursde fidelite relatives aux methodes d'essai AMENDEMENT1 Reference number IS04259-2:2017/Amd.1:2019(E) @IS0 2019 IS04259-2:2017/Amd.1:2019(E) COPYRIGHTPROTECTEDDOCUMENT @ISO2019 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 belowor Iso'smemberbody in the country ofthe requester. ISO copyright office CP 401 : Ch.de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax:+412274909 47 Email: copyright@iso.org Website:www.iso.org Published in Switzerland ii @IS0 2019-All rights reserved