# Waste, dirt, filth or refuse · Royal Mail / Post Office — Mailing and air-carriage restrictions by item category

For Waste, dirt, filth or refuse · Royal Mail / Post Office, item category is Waste, dirt, filth or refuse; carrier is Royal Mail / Post Office; restriction type is prohibited; scope is UK & International; conditions is Soil samples sent for analysis are permitted provided they are packaged so that any leaks and spills are contained in the outer packaging, recorded from its source on 2026-08-30.

- **Item category:** Waste, dirt, filth or refuse _(verified: appears in the quote below)_
- **Carrier:** Royal Mail / Post Office _(our reading, not quoted from the source)_
- **Restriction type:** prohibited _(our reading, not quoted from the source)_
- **Scope:** UK & International _(our reading, not quoted from the source)_
- **Conditions:** Soil samples sent for analysis are permitted provided they are packaged so that any leaks and spills are contained in the outer packaging _(verified: appears in the quote below)_

## What the source says

> Waste, dirt, filth or refuse (including household waste) International – not allowed in the mail UK – not allowed in the mail Soil samples sent for analysis are permitted provided they are packaged so that any leaks and spills are contained in the outer packaging

## Source

- https://www.postoffice.co.uk/mail/what-can-i-send

Last verified: 2026-08-30. Review by: 2027-08-30.
Part of [Mailing and air-carriage restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).