# ISO 9022-12:1994 — Withdrawn and superseded ISO standards

For ISO 9022-12:1994, item title is Optics and optical instruments — Environmental test methods — Part 12: Contamination; status code is 9599; successor is ISO 9022-12:2015; withdrawn / published date is 1994-07-07, recorded from its source on 2026-08-05.

- **Identifier:** ISO 9022-12:1994 _(verified: appears in the quote below)_
- **Item title:** Optics and optical instruments — Environmental test methods — Part 12: Contamination _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 9022-12:2015
- **Withdrawn / published date:** 1994-07-07 _(verified: appears in the quote below)_

## What the source says

> 16577,IS,,ISO 9022-12:1994,Optics and optical instruments — Environmental test methods — Part 12: Contamination,Optique et instruments d'optique — Méthodes d'essais d'environnement — Partie 12: Contamination,1994-07-07,1,['37.020'],ISO/TC 172/SC 1,9599,,[67536],"['en','fr']",9,"<p>Specifies methods for the testing of optical instruments and instruments containing optical components, under equivalent conditions, for their ability to resist contamination, i.e. contact with corrosive chemical substances. The purpose of testing is to investigate the resistance of an instrument and, in particular, of instrument surfaces, coatings or synthetic materials, to a short exposure to the contamination. T

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).