Managing uncertainty in groundwater risk assessment

July 19, 2022

Tuesday 13 September 2022, 12:30–13:15 

Mel Lyons, Technical Lead for Hydrogeology at RSK Geosciences, will give this presentation that will illustrate, through a series of case studies, how good quality data are fundamental to the understanding of aquifer characteristics and the generation of a realistic model of groundwater plume migration and assessment of risk. This will include:

  • a conceptual understanding of the water body and its connectivity with surrounding water bodies and features
  • examining in detail water quality parameters (e.g., redox, pH) and how they may affect contaminant migration
  • conducting suitable in-situ hydraulic conductivity testing to accurately reflect aquifer characteristics
  • reviewing the resource potential and how that may affect remediation options.

Profile summary:

Mel is a Specialist in Land Condition (SiLC) and National Quality Mark Scheme (NQMS) Suitably Qualified Person (SQP) and Accredited Risk Assessor via SoBRA (for controlled waters), with over fifteen years’ experience working in environmental consultancy and regulation. Mel is the technical lead for hydrogeology within RSK Geosciences and is also a member of the editorial board for the Geological Society of London’s Quarterly Journal of Engineering Geology and Hydrogeology (QJEGH). She specialises in sustainable risk-based contaminated land assessment for a range of clients based in the UK and internationally, covering business sectors including petrochemical, energy, construction, Ministry of Defence, waste and transportation. Her key area of expertise is hydrogeological risk assessment and contaminant fate and transport modelling, using a range of appropriate software packages, including ConSim, RBCA, RISC and the Environment Agency’s Remedial Targets Methodology worksheet.

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