# ISO 4257:1988 — Withdrawn and superseded ISO standards

For ISO 4257:1988, item title is Liquefied petroleum gases — Method of sampling; status code is 9599; successor is ISO 4257:2001; withdrawn / published date is 1988-12-29, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4257:1988 _(verified: appears in the quote below)_
- **Item title:** Liquefied petroleum gases — Method of sampling _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4257:2001
- **Withdrawn / published date:** 1988-12-29 _(verified: appears in the quote below)_

## What the source says

> 10097,IS,,ISO 4257:1988,Liquefied petroleum gases — Method of sampling,Gaz de pétrole liquéfiés — Méthode d'échantillonnage,1988-12-29,1,['75.160.30'],ISO/TC 28/SC 2,9599,,[23699],"['en','fr']",4,"<p>Procedure given applies to gases, such as propane, butane or mixtures thereof. It is suitable for sampling into containers to provide samples for laboratory testing of products covered by ISO 9162. Although this procedures can be used to provide samples for compositional analysis, it is strongly recommended that alternative apparatus, such as a variable-volume container, be used to minimize compositional changes that may occur.</p>"

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).