ISO INTERNATIONAL STANDARD 3170 Third edition 2004-02-01 Petroleum liquids Manual sampling Produits pétroliers liquides — Echantillonnage manuel Reference number ISO 3170:2004(E) ISO @ ISO 2004 ISO 3170:2004(E) PDFdisclaimer 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 trademarkof 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 ISO2004 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 [email protected] Web www.iso.org Published in Switzerland @ ISO 2004 - All riahts reserved ISO 3170:2004(E) Contents Page Foreword... Introduction 1 2 Normativereferences 3 Terms and definitions.... 4 Principles 5 Apparatus 5.1 General. 5.2 Tank samplers. 5.3 Drumandcansamplers .22 5.4 Pipeline samplers... .24 5.5 Sample receivers, vessels and containers. 25 5.6 Container closures.. 27 5.7 Sample coolers... 6 Safety precautions. 27 Procedures for homogeneous petroleum liquids. 27 7.1 Introduction.. 27 7.2 Precautions. .28 7.3 Tank sampling .30 7.4 Pipeline sampling... 7.5 Dispenser (nozzle) sampling... .40 Proceduresforcrudeoilsandothernon-homogeneouspetroleumliquids .41 8.1 General. 8.2 Procedures 41 9 Sample handling . .43 9.1 General.... 9.2 Homogenization of samples 9.3 Verification of mixing efficiency.. .45 9.4 10 Sampling of tank residues/deposits 11 47 11.1 Statistical aspects of sampling packages ... .47 11.2 Procedures for sampling packages .... .49 Annex A (informative) Guidance on safety precautions.. 52 Bibliography .55 "ahts reserved ii ISO 3170:2004(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies InternationalElectrotechnicalCommission(iEC)onallmattersofelectrotechnicalstandardization. International Standards are drafted in accordance with the rules given in the ISO/lEc Directives, Part 2 The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 3170 was prepared by Technical Committee ISO/TC 28, Petroleum products and lubricants, Subcommittee sc 3, Static petroleum measurement. This third edition cancels and replaces the second edition (IsO 3170:1988), which has been technically revised. The principal technical changes include the addition of procedures for tank sampling under restricted and closed system conditions, and procedures for the taking of manual spot samples from pipelines containing high vapour pressure liquids. @ IS0 2004 - All riahts reserved ISO 3170:2004(E) Introduction This International Standard may be applied in combination with ISO 3171. liquid hydrocarbons from a tank, drum or pipeline by manu