ISO INTERNATIONAL STANDARD 5667-12 Secondedition 2017-07 Water quality - Sampling Part 12: Guidance on sampling of bottom sediments from rivers, lakes and estuarine areas Qualite de I'eau - Echantillonnage - Partie 12: Recommandations concernant I'échantillonnage des sédiments dans les rivieres, les lacs et les estuaires Reference number IS0 5667-12:2017(E) International Organization for Standardization @ IS0 2017 e=ZHEJIANG INST OF STANDARDIZATION C1 5956617 mitted without license from IHS IS0 5667-12:2017(E) COPYRIGHT PROTECTED DOCUMENT 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 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 [email protected] www.iso.org Internationai ibrg DrganizationforStandardization icensee-ZHEJIANG INSTOF STANDARDIZAoISQ 07 - All rights reserved Not for Resale, 2017/9/27 05:23:35 networking permited withoutlicense from IHS IS0 5667-12:2017(E) Contents Page Foreword ..V Introduction. ..vi 1 Scope. 2 Normative references ..1 3 Terms and definitions ..1 4 Sampling strategy .3 4.1 General .3 4.2 Type of investigation .3 4.2.1 General .3 4.2.2 Chemical investigation .3 4.2.3 Physical investigation 3 4.2.4 Biological and microbiological investigation .4 4.3 Choice of sampling site 4 4.4 Choice of sampling point .4 4.5 Choice of sampling method .5 4.5.1 General .5 4.5.2 Consolidated bottom sediment .5 4.5.3 Unconsolidated bottom sediment .6 4.6 Frequency and time of sampling .6 4.7 Site conditions. .6 4.7.1 General ..6 4.7.2 Meteorological and climatic conditions 6 4.7.3 Hydrological conditions. ..7 5 Sampling equipment ..8 5.1 General. ..8 5.2 Grab systems. ..8 5.3 Corer systems. .10 6 Sampling procedure ..13 6.1 Sampling container materials and types. ..13 6.2 Composite samples.. ..13 7 Storage, transport and stabilization of samples ..14 8 Safety ..15 9 Sample identification and records. ..15 Annex A (informative) Description of the scissor-grab system (van Veen type) ..17 Annex B (informative) Description of the piston drill system ..19 Annex C (informative) Description of the corer system involving a diver ..21 Annex D (informative) Description of the Beeker sampler system ..22 Annex E (informative) Description of the sealed core sampler system ..25 Annex F (informative) Description of the wedge core or Vrijwit drill system. ..27 Annex G (informative) Description of the gravity corer system. ..29 Annex H (informative) Description of the Jenkins mud sampler system ..31 Annex I (informative) Description of the Craib corer system ...33 Annex J (informative) Description of a piston corer ..35 Annex K (informative) Description of peat borers .38 Annex L (informative) Freeze coring ..40 iii d without license from IHS