BS ISO BRITISH STANDARDAEROSPACE SERIES 14952-1:2003 Space systems Surface cleanliness of fluid systems Part l: Vocabulary ICS 49.080; 49.140 BSi NOCOPYINGWITHOUTBSIPERMISSIONEXCEPTASPERMITTEDBY COPYRIGHTLAW British Standards BSISO14952-1:2003 National foreword This British Standard reproduces verbatim IS0 14952-1:2003 and implements it as the UK national standard. The UK participation in its preparation was entrustedtoTechnical Committee ACE/68, Space systems and operations, which has the responsibilityto: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may befoundin the BSI Catalogue under the section entitled "International Standards Correspondence Index", or by using the"Search" facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application Compliance with a British Standard does notofitself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the IsO title page, pages i to iv, pages 1 to 7 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendmentsissued sincepublication This British Standard was published under the authority Amd. No. Date Comments of the Standards Policy and Strategy Committee on 4 February 2004 BSI 4February 2004 ISBN0580433404 BS IS0 14952-1:2003 ISO INTERNATIONAL STANDARD 14952-1 First edition 2003-11-15 Space systems Surface cleanliness of fluid systems - Part 1: Vocabulary Systemes spatiauxPropretedes surfacesencontactavecdes fluides Partie1:Vocabulaire Reference number ISO 14952-1:2003(E) ISO BS ISO 14952-1:2003 ii BSIS0 14952-1:2003 Foreword IsO (the International Organization for Standardization)is a worldwide federation of national standards bodies (iSO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been non-governmental, in liaison with IsO, also take part in the work. Iso collaborates closely y with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. 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 requiresapproval by at least75%of the memberbodies castinga 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 14952-1 was prepared by Technical Committee ISO/TC 20, Aircraft and space vehicles, Subcommittee SC14,Spacesystemsandoperations. fluid systems: Part 1:Vocabulary Part 2:Cleanliness levels Part 3:Analytical procedures for the determinationof nonvolatile residues andparticulatecontamination Part4:Rough-cleaningprocesses Part5:Dryingprocesses Part6:Precision-cleaningprocesses ili BSIS014952-1:2003 Introduction components used in space fluid systems. The purpose of this part of isO 14952 is to establish uniform terms used in the cleaning, analysis, and verification processes for launch vehicles, spacecraft and ground support equipment. iv BS1S014