International ISO Standard IS010928 Plastics piping systems - Glass- Fourth edition reinforced thermosetting plastics 2024-03 (GRP) pipes and fittings - Methods for regression analysis and their use Systemes de canalisations en matieres plastiques - Tubes et raccords plastiques thermodurcissables renforcés de verre (PRV) - Methodes pour une analyse de régression et leurs utilisations Referencenumber IS0 10928:2024(en) @ ISO 2024 IS0 10928:2024(en) COPYRIGHT PROTECTED DOCUMENT @IS02024 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 orIso'smemberbodyinthecountryoftherequester. ISO copyright office CP 401 · Ch.de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: copyright@iso.org Website: www.iso.org Published in Switzerland @ IS0 2024 - All rights reserved ii