ISO INTERNATIONAL STANDARD 28523 First edition 2009-02-15 Ships and marine technology Lubricating and hydraulic oil systems Guidance for sampling to determine cleanliness and particle contamination Navires et technologie maritime - Les systemes lubrifiant et hydraulique de pétrole Directives pour essais pour déterminer la contamination de proprete et particule Reference number ISO 28523:2009(E) @ ISO 2009 ISO 28523:2009(E) Contents Page Foreword iv 1 Scope 1 2 Normative references 3 Dynamic sampling . 4 Static sampling ... 5 Sample bottles .... 6 Automatic particle counting Bibliography... ii ISO 28523:2009(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technical committees. Each member body interested in a subject for which a technical committee has beer 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. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 28523 was prepared by Technical Committee ISO/TC 8, Ships and marine technology, Subcommittee SC 3, Piping and machinery. iv Iso 2009 - All rights reserved