What is the recommended number of samples to take for surfacing material?

The recommended number of samples to take for surfacing material is nine. This guidance is based on industry standards and best practices which aim to ensure adequate representation of the material being investigated. Taking nine samples allows for a more thorough assessment of the surfacing material's condition and potential asbestos content.

This quantity balances the need for comprehensive data collection with practical considerations such as time and resources available for testing. By gathering a sufficient number of samples, investigators can identify variations in the material that may exist across different areas of a property and gain a clearer overall picture of the asbestos risk present.