# ISO 7251:1984 — Withdrawn and superseded ISO standards

For ISO 7251:1984, item title is Microbiology — General guidance for enumeration of presumptive Escherichia coli — Most probable number technique; status code is 9599; successor is ISO 7251:1993; withdrawn / published date is 1984-11-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 7251:1984 _(verified: appears in the quote below)_
- **Item title:** Microbiology — General guidance for enumeration of presumptive Escherichia coli — Most probable number technique _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 7251:1993
- **Withdrawn / published date:** 1984-11-01 _(verified: appears in the quote below)_

## What the source says

> 13904,IS,,ISO 7251:1984,Microbiology — General guidance for enumeration of presumptive Escherichia coli — Most probable number technique,Microbiologie — Directives générales pour le dénombrement d'Escherichia coli présumés — Technique du nombre le plus probable,1984-11-01,1,['07.100'],ISO/TC 34/SC 9,9599,,[13905],"['en','fr']",9,

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).