# ISO 24095:2009 — Withdrawn and superseded ISO standards

For ISO 24095:2009, item title is Workplace air — Guidance for the measurement of respirable crystalline silica; status code is 9599; successor is ISO/NP 24095 | ISO 24095:2021; withdrawn / published date is 2009-12-09, recorded from its source on 2026-08-05.

- **Identifier:** ISO 24095:2009 _(verified: appears in the quote below)_
- **Item title:** Workplace air — Guidance for the measurement of respirable crystalline silica _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/NP 24095 | ISO 24095:2021
- **Withdrawn / published date:** 2009-12-09 _(verified: appears in the quote below)_

## What the source says

> 42006,IS,,ISO 24095:2009,Workplace air — Guidance for the measurement of respirable crystalline silica,Air des lieux de travail — Lignes directrices pour le mesurage de la fraction alvéolaire de la silice cristalline,2009-12-09,1,['13.040.30'],ISO/TC 146/SC 2,9599,,"[68732,69899]","['en','fr']",36,"<p>ISO 24095:2009 gives guidelines for the quality assurance of measurements of respirable crystalline silica in air using direct on‑filter or indirect X‑ray diffraction and infrared analysis methods. The scope of ISO 24095:2009 includes the following crystalline silica polymorphs: quartz, cristobalite, and tridymite.</p><p>These guidelines are also relevant to the analysis of filters obtained fro

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).