ISO INTERNATIONAL STANDARD 18400-106 First edition 2017-01 Soil quality Sampling - Part 106: Quality control and quality assurance Qualite du sol - Echantillonnage - Partie 106: Controle de la qualité et assurance de la qualité Reference number IS0 18400-106:2017(E) International Organization for Standardization ee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 @ IS0 2017 nitted without license from IHS IS0 18400-106:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS0 2017, Published in Switzerland All rights reserved. Unless otherwise specified, 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 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 Licensee-ZHEJIANG INST OF STANDARDIZAISQ 07 - All rights reserved Not for Resale, 2017/3/28 02:55:16 networking permited without license from IHS IS0 18400-106:2017(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Quality assurance .1 4.1 General .1 4.2 Sampling process .2 5 Procedures, documents and data .2 5.1 Procedures .2 5.2 Documents and data management .3 5.3 Audits ..5 6 Personnel .5 6.1 Knowledge and experience 6.2 Safety .6 7 Communication .6 8 Equipment. .6 8.1 Choice of equipment and general requirements for use 8.2 Calibration of equipment and servicing .6 8.3 Influence on results. 7 9 Taking samples. 9.1 Sampling. 7 9.2 Quality control samples. 9.2.1 Blind replicate samples 7 9.2.2 Split samples 9.2.3 Trip blanks .8 9.2.4 Fieid blanks .8 9.2.5 Evaluation of quality control sample results .8 9.3 Preservation .8 9.4 Storage and transport .8 Bibliography 9 iii icensee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under lic se with ISt d without license from IHS