ISO INTERNATIONAL STANDARD 5667-4 Secondedition 2016-07-01 Water quality - Sampling Part 4: Guidance on sampling from lakes, natural and man-made Qualité de I'eau - Echantillonnage - Partie 4: Lignes directrices pour I'échantillonnage des eaux des lacs naturels et des lacs artificiels Reference number IS0 5667-4:2016(E) ISO International Organization for Standardization =ZHEJIANG INST OF STANDARDIZATION C1 5956617 @IS02016 mitted without license from IHS IS0 5667-4:2016(E) COPYRIGHT PROTECTED DOCUMENT IS0 2016, 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. ISO copyrightoffice 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 Licensee-ZHEJIANG INST.OF STANDARDIZoISQ6 -All rights reserved Not for Resale, 2016/8/16 08:31:50 networking permited without license from IHS IS0 5667-4:2016(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references ..1 3 Terms and definitions 4 Sampling equipment .2 4.1 Material selection .2 4.2 Cleaning.... 4.3 Maintenance 3 5 Design of the sampling programme ..3 6 Sampling procedure .4 6.1 General. ..4 6.2 Sampling location .4 6.2.1 General .4 6.2.2 Horizontal distribution of sampling positions 4 6.2.3 Vertical distribution of sampling points. .5 6.3 Frequency and timing of sampling .5 6.4 Choice of sampling method .5 6.5 Choice of the sampling device. .5 6.6 Aids for recovery of lost sampling equipment .6 6.7 Blanksample ..6 6.8 Transport, stabilization and keeping of samples ..6 7 Occupational health and safety .6 8 Sample containers .6 9 Priority of procedure ..6 10 Sample collection, contamination with environmental materials ...8 11 Rinsing the sampling equipment ..9 12 Sampling surface or near-surface water with an open sampling device .9 12.1 General 9 12.2 Sampling .9 12.3 Filling multiple containers .9 13 Sampling with closed samplers. ..10 14 Sampling for volatile parameters ..10 15 Sampling through ice ..10 16 Severe freezing conditions ..10 17 Sample identification and records. ..11 18 Quality assurance and quality control ..11 18.1 General. ..11 18.2 Avoidance of contamination. 12 Annex A (informative) Examples of sampling devices .14 Annex B (informative) Advantages and disadvantages of sampling equipment. ..28 Annex C (informative) Sampling from boats - Maintaining station. ..29 Annex D (informative) Example of a report - Sampling from lakes, natural and man-made.. ...31. Annex E (informative) Continuous measurement of water samples with immersion probes.... ...32. Bibliography ..34 ii d without license from IHS