# ISO 8423:2008 — Withdrawn and superseded ISO standards

For ISO 8423:2008, item title is Sequential sampling plans for inspection by variables for percent nonconforming (known standard deviation); status code is 9599; successor is ISO 39511:2018; withdrawn / published date is 2008-08-27, recorded from its source on 2026-08-05.

- **Identifier:** ISO 8423:2008 _(verified: appears in the quote below)_
- **Item title:** Sequential sampling plans for inspection by variables for percent nonconforming (known standard deviation) _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 39511:2018
- **Withdrawn / published date:** 2008-08-27 _(verified: appears in the quote below)_

## What the source says

> 41992,IS,,ISO 8423:2008,Sequential sampling plans for inspection by variables for percent nonconforming (known standard deviation),Plans d'échantillonnage progressif pour le contrôle par mesures des pourcentages de non-conformes (écart-type connu),2008-08-27,2,['03.120.30'],ISO/TC 69/SC 5,9599,"[22629,15601]",[67139],"['en','fr']",32,"<p>ISO 8423:2008 specifies sequential sampling plans and procedures for inspection by variables of discrete items. The plans are indexed in terms of producer's risk point and the consumer's risk point. Therefore, they are suitable not only for the purposes of acceptance sampling, but for the more general purpose of the testing of simple statistical hypotheses f

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).