# ISO 10634:1995 — Withdrawn and superseded ISO standards

For ISO 10634:1995, item title is Water quality — Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium; status code is 9599; successor is ISO 10634:2018; withdrawn / published date is 1995-08-17, recorded from its source on 2026-08-05.

- **Identifier:** ISO 10634:1995 _(verified: appears in the quote below)_
- **Item title:** Water quality — Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 10634:2018
- **Withdrawn / published date:** 1995-08-17 _(verified: appears in the quote below)_

## What the source says

> 18728,IS,,ISO 10634:1995,Water quality — Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium,Qualité de l'eau — Lignes directrices pour la préparation et le traitement des composés organiques peu solubles dans l'eau en vue de l'évaluation de leur biodégradabilité en milieu aqueux,1995-08-17,1,['13.060.70'],ISO/TC 147/SC 5,9599,,[69573],"['en','fr']",7,"<p>Restricted to the description of the four techniques for introducing the poorly-soluble organic test compounds for a subsequent test on biodegradability in an aqueous medium. The techniques are: direct addition, which is restricted

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).