ISO INTERNATIONAL STANDARD 18400-100 First edition 2017-01 Soil quality - Sampling - Part 100: Guidance on the selection of sampling standards Qualité du sol - Echantillonnage - Partie 10o: Lignes directrices sur la selection des normes d'échantillonnage Reference number IS0 18400-100:2017(E) International Organization for Standardization @ IS0 2017 HEJIANG INSTOFSTANDARDIZATIONC15956617 ed without license from IHS IS0 18400-100:2017(E) COPYRIGHTPROTECTEDDOCUMENT ISO 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISOcopyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Internatinair PrganizationforStandardization ensee-ZHEJIANG INSTOF STANDARDIzARoISQa7 - All rights reserved Not for Resale, 2017/3/28 02:56:08 etworking permitted without license from IHS IS0 18400-100:2017(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references 3 Terms and definitions 4 General ..1 5 Structure of sampling standards 6 Aspects oflevel 1 standards .2 7 Aspects of level 2 standards ..2 8 Aspects of level 3 standards .2 Annex A (informative) Existing International Standards and other standards under the umbrella (Is0 18400-100) ntemaonalganzation7All rights reserved iii ee=ZHEJIANG INSTOFSTANDARDIZATION C15956617 vided by IHS underI ed without license from IHS Not for Resale, 2017/3/28 02:56:08