# ISO 5541-2:1986 — Withdrawn and superseded ISO standards For ISO 5541-2:1986, item title is Milk and milk products — Enumeration of coliforms — Part 2: Most probable number technique at 30 degrees C; status code is 9599; successor is ISO/CD 5541-2 | ISO 4831:2006 | ISO/DIS 5541-2; withdrawn / published date is 1986-11-13, recorded from its source on 2026-08-05. - **Identifier:** ISO 5541-2:1986 _(verified: appears in the quote below)_ - **Item title:** Milk and milk products — Enumeration of coliforms — Part 2: Most probable number technique at 30 degrees C _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/CD 5541-2 | ISO 4831:2006 | ISO/DIS 5541-2 - **Withdrawn / published date:** 1986-11-13 _(verified: appears in the quote below)_ ## What the source says > 11605,IS,,ISO 5541-2:1986,Milk and milk products — Enumeration of coliforms — Part 2: Most probable number technique at 30 degrees C,Lait et produits laitiers — Dénombrement des coliformes — Partie 2: Technique du nombre le plus probable après incubation à 30 degrés C,1986-11-13,1,['07.100.30'],ISO/TC 34/SC 5,9599,,"[11606,38280,32140]","['en','fr']",8,

Specifies a method for enumerating bacteria which cause fermentation of lactose with the production of gas and form characteristic growth under the operational conditions describes. Uses a culture technique involving a liquid medium. The calculation of the most probable number is made after incubation at 30 degrees centigrade.

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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).