# ISO 11665-1:2012 — Withdrawn and superseded ISO standards

For ISO 11665-1:2012, item title is Measurement of radioactivity in the environment — Air: radon-222 — Part 1: Origins of radon and its short-lived decay products and associated measurement methods; status code is 9599; successor is ISO 11665-1:2019; withdrawn / published date is 2012-07-10, recorded from its source on 2026-08-05.

- **Identifier:** ISO 11665-1:2012 _(verified: appears in the quote below)_
- **Item title:** Measurement of radioactivity in the environment — Air: radon-222 — Part 1: Origins of radon and its short-lived decay products and associated measurement methods _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 11665-1:2019
- **Withdrawn / published date:** 2012-07-10 _(verified: appears in the quote below)_

## What the source says

> 52187,IS,,ISO 11665-1:2012,Measurement of radioactivity in the environment — Air: radon-222 — Part 1: Origins of radon and its short-lived decay products and associated measurement methods,"Mesurage de la radioactivité dans l'environnement — Air: radon 222 — Partie 1: Origine du radon et de ses descendants à vie courte, et méthodes de mesure associées",2012-07-10,1,"['17.240','13.040.01']",ISO/TC 85/SC 2,9599,,[76006],"['en','fr']",30,<p>ISO 11665-1:2012 outlines guidance for measuring radon-222 activity concentration and the potential alpha energy concentration of its short-lived decay products in the air. </p><p>The measurement methods fall into three categories:</p><ol><li>spot measuremen

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).