# ISO 23611-1:2018 — Withdrawn and superseded ISO standards For ISO 23611-1:2018, item title is Soil quality — Sampling of soil invertebrates — Part 1: Hand-sorting and extraction of earthworms; status code is 9599; successor is ISO 23611-1:2026; withdrawn / published date is 2018-05-24, recorded from its source on 2026-08-05. - **Identifier:** ISO 23611-1:2018 _(verified: appears in the quote below)_ - **Item title:** Soil quality — Sampling of soil invertebrates — Part 1: Hand-sorting and extraction of earthworms _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 23611-1:2026 - **Withdrawn / published date:** 2018-05-24 _(verified: appears in the quote below)_ ## What the source says > 70449,IS,,ISO 23611-1:2018,Soil quality — Sampling of soil invertebrates — Part 1: Hand-sorting and extraction of earthworms,Qualité du sol — Prélèvement des invertébrés du sol — Partie 1: Tri manuel et extraction des vers de terre,2018-05-24,2,"['13.080.30','13.080.05']",ISO/TC 190/SC 4,9599,[36914],[88092],"['en','fr']",19,"

This document specifies a method for sampling and handling earthworms from field soils as a prerequisite for using these animals as bioindicators (e.g. to assess the quality of a soil as a habitat for organisms).

This document applies to all terrestrial biotopes in which earthworms occur. The sampling design of field studies in general is given in ISO 18400‑101 ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).