Technical guidance on physical, chemical and technical properties

This document describes the physical, chemical and technical data required to support the registration and authorisation of a plant protection product in Great Britain.

Applies to:
Great Britain
Published:
22 August 2025

Documents

2025 GB physical, chemical and technical properties guidance document

Reference:
Version 1
Type and file size:
PDF, 201KB

Details

This replaces the previous published draft guidance document and applies to Great Britain applications from 1 March 2026. You can read a summary of the key changes.

Before the Great Britain guidance was adopted, HSE surveyed stakeholders for their views. You can read a summary of the comments and responses.

For authorisations in Northern Ireland, refer to the following guidance documents:

 

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Updated 2026-05-12