INTERNATIONAL STANDARD
Acceptancesamplingprocedures basedontheallocationofpriorities principle(APP)-
Part 1:GuidelinesfortheAPPapproach
Regles d’echantillonnage pour acceptation fondeessur le principed'attribution de priorites (APP) -
Partie 1: Lignes directrices relatives α I’approche APP
COPYRIGHTPROTECTEDDOCUMENT
@ ISO 2017 Published in Switzerland
Allrights reserved. Unles otherwise speciied no part of this publiation may be reproduced or utilized otherwise n any formor 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 ofthe requester.
ISO copyright officeCh. de Blandonnet 8 ▪ CP 401 CH-1214 Vernier Geneva SwitzerlandTel. 41 22 749 01 11 Fax 41 22 749 09 47copyright@
Contents
Page
Foreword VIntroduction. vii1 Scope. 12 Normative references 13 Terms definitions symbols and abbreviated terms. 23.1 3.2 Terms and definitions. Symbols and abbreviated terms. 24 General overview of quality. 44.1 4.2 Role of information on quality assurance. Quality measures. 4 45 Selection of a sampling system. 45.1 5.2 Relations between sampling systems. Continuing series of lots. 5 45.3 Separate lots. Features of the ISO 28598 sampling system. 5Requirements for the quality of lots and relationships between the parties. 5.4 S6 6.1 Lot quality requirements. 6 66.1.1 6.1.2 The form of lot quality requirements. Satisfactory and unsatisfactory lots 6 66.2 Relationships of the parties concerning lot quality. 6.1.3 Objectives.. 6 66.3 Preventative measures. 6Objective of the inspection conducted by supplier customer and third party. 7.1 77.2 Objective of the inspection conducted by the supplier. General. 7 77.3 7.4 Objective of the inspection conducted by a third party. Objective of the inspection conducted by the customer. 7 78 Requirements of the system of sampling inspection conducted by supplier customer or third party. 8.1 Common system requirements. 8 88.2 Reproducibility of decisions made by sampling inspection results. 88.3 pe se en ape ossod apexa interests of the inspecting parties. .88.5 8.4 Cost efficiency of inspection. Types of information used when organizing inspection and in decision making. 8Prior information 6 99.1 Types of prior information. 69.2 9.3 Economic aspects of prior information. APP approach for considering prior information. 6 610 Choosing sampling plans and schemes. 1010.2 10.1 General. Characteristics of sampling plans and schemes. 10 1010.3 Permissible sampling plans and schemes. Rights of the parties in choosing sampling plans and schemes. 10 1010.4 10.4.1 General. 1010.4.2 10.4.3 Constraints of type I Constraints of type Il. 10 1110.5 Setting the constraints for risks and confidence levels. Constraints of type I 1110.5.1 10.5.2 Constraints of type I1. 11 12
10.6 Decision-making rules. 10.6.1 Decision-making with respect to supplier and customer inspection.10.6.2 Constraints of type I.. Constraints of type Il..11 Re-submission of previously non-accepted lots on supplier inspection. 10.6.3 13 13Annex A (informative) Allocation of priorities principle. 15Annex B (informative) Remendations for setting customer's risks on supplier inspection..20Bibliography .26
12 1213
Foreword
bodies (ISO member bodies). The work of preparing International Standards is normally carried outthrough ISO technical mittees. Each member body interested in a subject for which a technical mittee has been established has the right to be represented on that mittee. InternationalISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of organizations governmental and non-governmental in liaison with ISo also take part in the work.electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance aredifferent types of ISo documents should be noted. This document was drafted in accordance with theeditorial rules of the ISO/IEC Directives Part 2 (see
any patent rights identified during the development of the document will be in the Introduction and/oron the ISo list of patent declarations received (see
Any trade name used in this document is information given for the convenience of users and does notconstitute an endorsement.
For an explanation on the voluntary nature of standards the meaning of ISO specific terms andexpressions related to conformity assessment as well as information about ISO's adherence to theWorld Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following URL:
This document was prepared by Technical Committee ISO/TC 69 Applications of statistical methods Submittee SC 5 Acceptance sampling.
This first edition of ISO 28598-1 cancels and replaces ISO 13448-1:2005 of which it constitutes a minorrevision to change the reference number from 13448-1 to 28598-1.
following standards by means of minor revisions: With the view to achieve a more consistent portfolio TC 69/SC 5 has simultaneously renumbered the
Oldreference ISO 2859-10:2006 New reference ISO 28590:2017 Sampling procedures for inspection by attributes Introduction Titleto the ISO 2859 series of standards for sampling for inspection by attributesISO 8422:2006 ISO 28591:2017 Sequential sampling plans for inspection by attributesISO 28801:2011 ISO 28592:2017 Double sampling plans by attributes with minimal sample sizes indexed by producer's risk quality (PRQ) and consumer’s risk quality (CRQ)ISO 18414:2006 ISO 28593:2017 Acceptancesamplingproceduresby attributes- Accept-zero sampling system based on credit principle for controlling outgoing qualityISO 21247:2005 ISO 28594:2017 Combined accept-zero sampling systems and process control pro-ISO 14560:2004 ISO 28597:2017 Anb pagoads snqne q sanpaood tudues aouedao cedures for product acceptancelevels in nonconforming items per millionISO 13448-1:2005 ISO 28598-1:2017 Acceptance sampling procedures based on the allocation of priorities principle (APP) Part 1: Guidelines for the APP approachISO 13448-2:2004 ISO 28598-2:2017 Acceptance sampling procedures based on the allocation of prior-ities principle (APP) - Part 2: Coordinated single sampling plans for acceptance sampling by attributes
Cross references between the above listed documents have been corrected in the minor revisions.