# ISO 4407:2002 — Withdrawn and superseded ISO standards

For ISO 4407:2002, item title is Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope; status code is 9599; successor is ISO/CD 4407 | ISO 4407:2025; withdrawn / published date is 2002-05-02, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4407:2002 _(verified: appears in the quote below)_
- **Item title:** Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/CD 4407 | ISO 4407:2025
- **Withdrawn / published date:** 2002-05-02 _(verified: appears in the quote below)_

## What the source says

> 28058,IS,,ISO 4407:2002,Hydraulic fluid power — Fluid contamination — Determination of particulate contamination by the counting method using an optical microscope,Transmissions hydrauliques — Pollution des fluides — Détermination de la pollution particulaire par comptage au microscope optique,2002-05-02,2,['23.100.60'],ISO/TC 131/SC 6,9599,[10312],"[77353,86030]","['en','fr']",14,"<p>This International Standard specifies methods for determining the level of particulate contamination in liquids used in hydraulic systems by counting the number of particles deposited on the surface of a membrane filter using an optical microscope. It includes particle counting by two manual methods and image a

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).