# ISO/TS 22939:2010 — Withdrawn and superseded ISO standards

For ISO/TS 22939:2010, item title is Soil quality — Measurement of enzyme activity patterns in soil samples using fluorogenic substrates in micro-well plates; status code is 9599; successor is ISO/TS 22939:2019; withdrawn / published date is 2010-03-08, recorded from its source on 2026-08-05.

- **Identifier:** ISO/TS 22939:2010 _(verified: appears in the quote below)_
- **Item title:** Soil quality — Measurement of enzyme activity patterns in soil samples using fluorogenic substrates in micro-well plates _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/TS 22939:2019
- **Withdrawn / published date:** 2010-03-08 _(verified: appears in the quote below)_

## What the source says

> 41226,TS,,ISO/TS 22939:2010,Soil quality — Measurement of enzyme activity patterns in soil samples using fluorogenic substrates in micro-well plates,Qualité du sol — Mesure en microplaques de l'activité enzymatique dans des échantillons de sol en utilisant des substrats fluorogènes,2010-03-08,1,['13.080.30'],ISO/TC 190/SC 4,9599,,[74739],"['en','fr']",13,"<p>ISO/TS 22939:2010 specifies a method for the measurement of several enzyme activities simultaneously in soil samples. Enzyme activities of soil vary seasonally and depend on the chemical, physical and biological characteristics of soil. Its application for the detection of harmful effects of toxic chemicals or other anthropogenic impacts

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).