WG C – Groundwater Activity WGC-3 – Integrated Risk Assessment and Management (IRAM) Sub group Conceptual model development Dietmar Müller, Wouter Geaverts, Thomas Track

CM Guidance structure 1 Introduction & Definitions 2 Basic procedure 3 Requirements to a CM 3.1 Questions to be answered by a CM 3.2 Area to be considered 3.3 Processes to be considered 4 Data 4.1 Data needs 4.2 (existing) Data review 4.3 Data collection/acquisition 5 Conceptual model set-up, documentation/visualisation 5.1 Basic CM desciption/parameterisation 5.2 Risk based requirements (step2) 5.3 Management based requirements (step 3) 5.4 Documentation/visualisation 6 Validation of CM, quality assurance 7 Application of CM in risk assessment 8 Application of CM in risk management 9 Glossary 10 References I Annexes

CM link to existing Guidance documents Definition Recommen-dation no 3, Pressures and Impacts - + no 7, Monitoring no 12, The role of Wetlands no 15,Groundwater Monitoring no 16, Drinking Water Protected Areas no 17, Guidance on Preventing or Limiting Direct and Indirect Inputs no 18, Guidance on Groundwater Status and Trend Assessment

Evolving CM Guidance on GW Monitoring

Annexes Toolbox of methods Examples Tracing experiments stable isotope analysis …. Examples Source: R. Wolter 2009

Risk Assessment Further planning drafting May 29 (draft chapters) June 15 (draft document assembled) drafting group meeting: June 29/30 (RA/CM); Frankfurt September 4 / 30: draft document group meeting: October 14, Stockholm