ISO INTERNATIONAL STANDARD 5667-6 Third edition 2014-07-15 Water quality - Sampling Part 6: Guidance on sampling of rivers and streams Qualité de I'eau- Echantillonnage - Partie 6: Lignes directrices pour I'échantillonnage des rivieres et des coursd'eau Reference number IS0 5667-6:2014(E) LSO @ IS0 2014 HS under ed without license from IHS Not for Resale IS0 5667-6:2014(E) COPYRIGHTPROTECTEDDOCUMENT @ ISO 2014 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 Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2014 - All rights reserved etworking permitted without license from IHS Not for Resale IS0 5667-6:2014(E) Contents Page Foreword ..V Introduction. ..vii 1 Scope 2 Normative references 3 Terms and definitions. 4 Design of sampling programme. 5 Sampling location. ..4 5.1 Sampling point selection ..4 5.2 Frequency and time of sampling Preparation for sampling .8 6 7 Sampling at specific locations ..9 7.1 General .9 7.2 Sampling from bridges .10 7.3 In-stream sampling. .11 7.4 Sampling from the bank side ..11 7.5 Sampling from craft ..12 7.6 Sampling under ice ..12 8 Sampling methods ..12 8.1 Single, discrete samples ..12 8.2 Sampling from specific depths .12 9 Sampling equipment .13 9.1 Single, discrete samples ..13 9.2 Sampling of surface layers for LNAPL (e.g. oils) or surface films ..14 9.3 Devices for sampling from specific depths ..14 9.4 Automatic sampling devices.. ..14 9.5 Other sampling equipment. .15 10 Taking the sample .15 10.1 Riskfactors ..15 10.2 Arrival on site .15 10.3 Rinsing the equipment. .16 10.4 Direct sampling. .16 10.5 Indirect sampling using a sampling vessel .16 10.6 Sampling through ice.. ..17 10.7 Sampling of surface layers or films .17 10.8 Sampling by increments. .17 10.9 Adding preservatives in the field. ..17 10.10 Labelling ..17 11 Stabilization, transport, and storage of samples ..17 11.1 Stabilization ..17 11.2 Transportation .18 11.3 Security and traceability of samples during storage and delivery ..18 12 Quality assurance ..18 12.1 Avoidance of contamination. .18 12.2 Sample identification and records ..19 12.3 Assurance and quality control. .19 13 Reports. .19 13.1 Analytical reports. .19 13.2 Sampling protocols. 20 iii ted withoutlicensefrom IHS Not for Resale