# ISO 11866-1:1997 — Withdrawn and superseded ISO standards

For ISO 11866-1:1997, item title is Milk and milk products — Enumeration of presumptive Escherichia coli — Part 1: Most probable number technique; status code is 9599; successor is ISO 7251:2005; withdrawn / published date is 1997-01-30, recorded from its source on 2026-08-05.

- **Identifier:** ISO 11866-1:1997 _(verified: appears in the quote below)_
- **Item title:** Milk and milk products — Enumeration of presumptive Escherichia coli — Part 1: Most probable number technique _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 7251:2005
- **Withdrawn / published date:** 1997-01-30 _(verified: appears in the quote below)_

## What the source says

> 20274,IS,,ISO 11866-1:1997,Milk and milk products — Enumeration of presumptive Escherichia coli — Part 1: Most probable number technique,Lait et produits laitiers — Dénombrement d'Escherichia coli présumés — Partie 1: Technique du nombre le plus probable,1997-01-30,1,['07.100.30'],ISO/TC 34/SC 5,9599,,[34568],"['en','fr']",11,"<p>Relates to a method for the enumeration of presumptive Escherichia coli by means of the culture technique involving a liquid medium, and calculation of the number of Escherichia coli per gram or per millilitre by the most probable number (MPN) after incubation at 37 °C.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).