ISO INTERNATIONAL STANDARD 5667-17 Second edition 2008-10-01 Water quality Sampling - Part 17: Guidance on sampling of bulk suspended solids Qualité de I'eau- Echantillonnage Partie 17: Lignes directrices pour I'échantillonnage des matieres solides ensuspension Reference number ISO 5667-17:2008(E) @ISO 2008 py IHS under ted without license from IHS Not for Resale ISO 5667-17:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobe's licensing policy. The IsO Central Secretariat accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT @ ISO2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, 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 2008 - All rights reserved py IHS unde I without license from IHS Not for Resale ISO 5667-17:2008(E) Contents Page Foreword. Introduction vi 1 Scope 2 Normative references . 3 Terms and definitions. 4 Strategies and goals of sampling suspended solids... 4.1 Sampling programme and sampling plan .... 4.2 The dependency of the content of suspended solids on discharge 4.3 4.4 Sampling points .... 5 Sampling equipment.. 5.1 General.... 5.2 Passive samplers. 5.3 Bag sampler. 5.4 Bulk samplers . 6 Methods for sampling suspended solids. 6.1 General.. 6.2 Centrifuging methods.... 5 6.3 Settling methods.. 6.4 Filtration methods.. 6.5 Tangential-flow filtration .. 12 6.6 Pumping requirements.... 13 7 On site measurements .... 14 8 15 8.1 General...... 15 8.2 Identification of samples... 15 8.3 Sampling record... 15 8.4 Preservation .. 8.5 Transport of samples 16 9 Quality assurance of field samples. 16 9.1 16 9.2 Quality assurance specific to centrifuges . 16 9.3 Suspended solids characterisation .... 17 10 Interpretation of data 17 10.1 General.. 17 10.2 Variability in time .. 17 10.3 Variability in space ... 18 10.4 Implications for data interpretation ... 18 10.5 Field methods for reducing uncertainty .... 18 11 Safety precautions. 19 Annex A (informative) Information on suspended solids and their sampling ..... .20 Annex B (informative) Description of sampling devices. 22 Bibliography... .27 CopyrghtInternational Organizaionsadardizaoghtsreserved ii ted withoutlicensefromIHS Not for Resale