# Radioactive material and samples that are not classified as dangerous goods in the latest edition of the Technical Instructions for the Safe Transport of Dangerous Goods by Air published by the International Civil Aviation Organization (ICAO) such as samples of granite rock · Royal Mail / Post Office — Mailing and air-carriage restrictions by item category

For Radioactive material and samples that are not classified as dangerous goods in the latest edition of the Technical Instructions for the Safe Transport of Dangerous Goods by Air published by the International Civil Aviation Organization (ICAO) such as samples of granite rock · Royal Mail / Post Office, item category is Radioactive material and samples that are not classified as dangerous goods in the latest edition of the Technical Instructions for the Safe Transport of Dangerous Goods by Air published by the International Civil Aviation Organization (ICAO) such as samples of granite rock; carrier is Royal Mail / Post Office; restriction type is restricted; scope is UK & International; conditions is Surround with cushioning material eg bubble wrap The sender's name and return address must be clearly visible on the outer packaging, recorded from its source on 2026-08-30.

- **Item category:** Radioactive material and samples that are not classified as dangerous goods in the latest edition of the Technical Instructions for the Safe Transport of Dangerous Goods by Air published by the International Civil Aviation Organization (ICAO) such as samples of granite rock _(verified: appears in the quote below)_
- **Carrier:** Royal Mail / Post Office _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** UK & International _(our reading, not quoted from the source)_
- **Conditions:** Surround with cushioning material eg bubble wrap The sender's name and return address must be clearly visible on the outer packaging _(verified: appears in the quote below)_

## What the source says

> Radioactive material and samples that are not classified as dangerous goods in the latest edition of the Technical Instructions for the Safe Transport of Dangerous Goods by Air published by the International Civil Aviation Organization (ICAO) such as samples of granite rock UK & International – allowed with restrictions Surround with cushioning material eg bubble wrap The sender's name and return address must be clearly visible on 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/).