# ISO 16649-1:2001 — Withdrawn and superseded ISO standards

For ISO 16649-1:2001, item title is Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli — Part 1: Colony-count technique at 44 degrees C using membranes and 5-bromo-4-chloro-3-indolyl beta-D-glucuronide; status code is 9599; successor is ISO 16649-1:2018; withdrawn / published date is 2001-05-03, recorded from its source on 2026-08-05.

- **Identifier:** ISO 16649-1:2001 _(verified: appears in the quote below)_
- **Item title:** Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli — Part 1: Colony-count technique at 44 degrees C using membranes and 5-bromo-4-chloro-3-indolyl beta-D-glucuronide _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 16649-1:2018
- **Withdrawn / published date:** 2001-05-03 _(verified: appears in the quote below)_

## What the source says

> 29823,IS,,ISO 16649-1:2001,Microbiology of food and animal feeding stuffs — Horizontal method for the enumeration of beta-glucuronidase-positive Escherichia coli — Part 1: Colony-count technique at 44 degrees C using membranes and 5-bromo-4-chloro-3-indolyl beta-D-glucuronide,Microbiologie des aliments — Méthode horizontale pour le dénombrement des Escherichia coli bêta-glucuronidase positive — Partie 1: Technique de comptage des colonies à 44 degrés C au moyen de membranes et de 5-bromo-4-chloro-3-indolyl bêta-D glucuronide,2001-05-03,1,['07.100.30'],ISO/TC 34/SC 9,9599,,[64951],"['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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).