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Abstract

Specifies sampling plans and procedures that can be used to assess whether the quality level of an entity (lot, process, etc) conforms to a declared value. This Standard is identical with and reproduced from ISO 2859-4:2002.
RECONFIRMATION NOTICE
Technical Committee QR-008 has reviewed the content of this publication and in
accordance with Standards Australia procedures for reconfirmation, it has been
determined that the publication is still valid and does not require change.
Certain documents referenced in the publication may have been amended since the
original date of publication. Users are advised to ensure that they are using the latest
versions of such documents as appropriate, unless advised otherwise in this
Reconfirmation Notice.
Approved for reconfirmation in accordance with Standards Australia procedures for
reconfirmation on 27 June 2016.
The following are represented on Technical Committee QR-008:
Association of Accredited Certification Bodies
Australian Industry Group
Australian Institute of Petroleum
Australian Organisation for Quality
Australian Prudential Regulation Authority
Consumers Federation of Australia
Energy Networks Association
Engineers Australia
Griffith University
Housing NSW
ISACA
Joint Accreditation System of Australia and New Zealand
Master Builders Australia
Materials Australia
New Zealand Organisation for Quality
Royal Australian Chemical Institute
University of Canterbury New Zealand
University of Technology, Sydney
University of Wollongong

Scope

This part of ISO 2859 establishes sampling plans and procedures that can be used to assess whether the quality level of an entity (lot, process, etc) conforms to a declared value. The sampling plans have been devised so as to obtain a risk of less than 5% of contradicting a correct declared quality level. The risk is 10% of failing to contradict an incorrect declared quality level which is related to the limiting quality ratio (see clause 4). Sampling plans are provided corresponding to three levels of discriminatory ability.
In contrast to the procedures in the other parts of ISO 2859, the procedures in this part of ISO 2859 are not applicable to acceptance assessment of lots. Generally, the balancing of the risks of reaching incorrect conclusions in assessment procedures will differ from the balancing in the procedures for acceptance sampling.
This part of ISO 2859 may be used for various forms of quality inspection in situations where objective evidence of conformity to some declared quality level is to be provided by means of inspection of a sample. The procedures are
applicable to entities such as lots, process output, etc. that allow random samples of individual items to be taken from the entity.
The sampling plans provided in this part of ISO 2859 are applicable, but not limited, to inspection of a variety of products such as
— end items;
— components and raw materials;
— operations;
— materials in process;
— supplies in storage;
— maintenance operations;
— data or records;
— administrative procedures.
The procedures are primarily intended to be used when the quantity of interest is the number or fraction of nonconforming items for which the inspected items are classified as conforming or nonconforming.
With minor changes, the procedures may also be used when the quantity of interest is the number of nonconformities or number of nonconformities per item. The necessary changes are:
— replacement of “number of nonconforming items” by “number of nonconformities”;
— replacement of “percent nonconforming items” by “nonconformities per 100 items”.
In this case the values given in Tables 2 to 7 are only approximations.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Standards Australia
ProductNote	Reconfirmed 22/07/2016. This standard has been reconfirmed in Australia in 2016 and remains current in New Zealand. Reconfirmation Notice 22/07/2016
Pages
ISBN
Committee	QR-008
Supersedes	DR 03250 CP