As the materials were being finalised, SEPA produced updated information on groundwater which comes into force on 1 February 2025

which can all be found here: https://www.sepa.org.uk/regulations/water/groundwater/

This includes:

• WAT-PS-10-02: Assigning Groundwater Assessment Criteria for Pollutant Inputs.
• List of Groundwater Standards
• Land Contamination and Impacts on the Water Environment.
• Guidance on the Use of Groundwater Standards

There are a lot of documents so you will need to scroll down to find these titles.