Groundwater 2018

Practical Solutions for Improved Risk Assessment & Remediation

Brownfield Briefing’s 2018 Groundwater conference has been re-researched and updated to provide the latest information on groundwater risk assessment, data collection and modelling techniques, and new remediation solutions to optimise groundwater quality and resource protection. Practical case studies and policy updates, combined with interactive Q&A sessions and ample networking time will enable delegates to maximise time out of the office, and return with the latest knowledge, tools and techniques to address a number of pertinent groundwater challenges.

Download the PDF programme | Book your place at Groundwater 2018 here

Key topics to be covered include:  

  • Practical examples of applying the latest risk assessment guidance for petroleum hydrocarbons in groundwater
  • Assessing the risks to human health of vapour intrusion from groundwater
  • Effective characterisation of a groundwater plume for more accurate risk assessment
  • Best practice modelling techniques to get more meaningful results from your SI and DQRA data and improve decision-making
  • Effectively using Natural Source Zone (NSZ) depletion technology to optimise groundwater remediation and reduce costs
  • Groundwater remediation case studies and shared practical experiences


Date: 22 March 2018
Location: Holiday Inn, London-Kensington High Street, Wrights Lane

Confirmed speakers include:

  • Dr Michael Rivett, Director, GroundH2O plus Ltd & Dept of Civil & Environmental Engineering, University of Strathclyde
  • Duncan Cartwright, Principal Hydrogeologist - Land Quality & Remediation, SLR Consulting
  • Mark Morton, Senior Hydrogeologist, Yorkshire Water
  • Anwen Hughes, Golder Associates
  • Juan F. Mujica,  Groundwater Protection and Restoration Group (GPRG), Kroto Research Institute, University of Sheffield
  • Hannah White, Principal Environmental Geoscientist, Atkins &  Vice-Chair, SoBRA
  • Dr Parisa Jourabchi, Senior Environment Engineer, Golder Associates, Canada
  • Dave Rutherford, Zone 1 Development Manager (Enabling Works) – Meridian Water, Enfield Council
  • Nicolas Barbian, Principal Remediation Consultant, ARCADIS
  • Professor Russell Thomas, Technical Director, WSP
  • Matt Riding, Senior Consultant, WSP
  • Jane Dottridge, Technical Director, Mott MacDonald
  • Matthew Ascott, Hydrogeologist, British Geological Survey
  • Dan Welch, Hydrogeologist, Atkins

Conference Programme

Browse the full conference programme below or, alternatively, download the PDF version of the programme by clicking here. Both versions are continually updated in the weeks running up to the event, so be sure to check back for late additions/amends.

9.00 Registration and refreshments

9.30 Opening remarks from the Chairman:

Dr Michael Rivett,
Director, GroundH2O plus Ltd  & Dept of Civil & Environmental Engineering, University of Strathclyde

Policy & Regulatory Update

9.40 Update on developments in Water Quality Policy & Regulation


Groundwater Risk Assessment

10.05 Practically applying recent guidance to develop pragmatic risk assessment targets for petroleum hydrocarbons in groundwater

  • Pinpointing the key objectives and points of advice in the recent CL:AIRE guidance for assessing petrol hydrocarbons
  • To what extent has this changed approaches to groundwater risk assessment?
  • Practical examples of using new guidance to develop groundwater risk assessment and remediation targets

Duncan Cartwright
Principal Hydrogeologist - Land Quality & Remediation, SLR Consulting

10.30 Innovative approaches to assess the site-specific risks to groundwater on a former gasworks

Former gasworks sites can contain a substantial legacy of recalcitrant hydrocarbon contamination in the form of tars, which present a significant risks to groundwater. To make informed decisions regarding the nature of the risk and extent of remediation required, a combination of geophysical and forensic chemical analytical techniques can be employed. These can enable visualisation of the spatial extent of contamination and degradation products in near real time, together with source appropriation of organic and inorganic contaminants within groundwater plumes, and their in-situ rates of degradation.

This presentation provides a scientific background to the application of the techniques and their limitations, together with case study examples of their use.

Matt Riding,
Senior Consultant, WSP

Professor Russell Thomas,
Technical Director, WSP

10.55 Q&A

11.10 Morning Refreshments & Networking

11.40 Chemical interfaces in plumes and their influence on contaminant biodegradation potential of biofilms

  • Exploring the concept of chemical interfaces in contaminant plumes and their role in biodegradation in groundwater
  • Illustrating a lab-scale microcosm design to recreate field scale processes which control biofilm development in plumes
  • Examining the resilience of microbial communities in biofilms from a phenol-contaminant aquifer to changes in their chemical environment

Juan F. Mujica
Groundwater Protection and Restoration Group (GPRG), Kroto Research Institute
University of Sheffield

12.05 Practically assessing the risks to human health of vapour intrusion from groundwater

  • Exploring the latest understanding of the risks from vapour intrusion
  • Reviewing the GAC developed by SOBRA for assessing the risks of vapour intrusion from groundwater alongside other industry guidance:
    • detailing assumed modelling inputs and parameters
    • outlining other criteria and contaminants to be considered

Hannah White
Principal Environmental Geoscientist, Atkins &  Vice-Chair

12.30 Q&A

12.40 Lunch

13.30 “The Nitrate Timebomb” - Assessing the risk of nitrate pollution in groundwater

  • Exploring the challenges of “legacy nitrate”
  • How much nitrate is stored in the unsaturated zone and where?
  • Examining how the UK fits into the global picture
  • Implications for risk assessment and management of nitrate pollution

Matthew Ascott
British Geological Survey

13.55 Practical solutions for assessing and managing contamination risks to groundwater from landfills

  • Assessing the levels of risk to groundwater posed by landfill leachate:
    • what is the life-span for specific contaminants?
    • identifying any likely peaks and reductions in risk
    • assessing the behaviour of the plume over time
    • measuring the likely ingress of leachate onto sites adjacent to landfills
  • Practical solutions for remediating leachate plumes
  • Case study: Assessing and remediating a former landfill site for development

Dan Welch, Hydrogeologist, Atkins

14.20 Q&A

14.30 Water industry perspective on managing water quality

  • Identifying the nitrate source using multiple techniques
    > mass balance
    > isotope fingerprinting
    > age profiling
  • Understanding the pathways through better geological mapping
    > effect of faulting
    > drift geology and impact of glaciation
  • Working with land-users
    > identifying possible land use changes
    > talking to land users – what are they already doing?
    > focus groups
  • Where next?

Mark Morton
Senior Hydrogeologist, Yorkshire Water

Groundwater Data and Modelling

14.55 Best practice to optimise results from SI and DQRA data and improve decision-making

  • Advances in effective data collection and inputs to inform groundwater fate and transport models:
    • determining the optimum amount and type of data required for more accurate risk assessment
    • successfully interpreting large, complex data sets to extract timely, useful information
    • evaluating the quality of sampling data obtained from different collection and monitoring tools
  • Identifying key factors of influence on results and how best to manage them:
    • sources of uncertainty and error
    • parameters of greatest sensitivity
  • Overall requirements for data collection, management and risk assessment to inform effective decision-making
  • Practicalities of integrating groundwater flow and transport with other environmental models, e.g. water resources planning, surface-groundwater interaction, to consider the wider environment beyond the site boundaries and achieve better decision-making

Jane Dottridge,
Technical Director 
Mott MacDonald

15.20 Q&A

15.30 Afternoon Refreshments

Groundwater Remediation


15.55 Effectively using Natural Source Zone Depletion (NSZD) technology for sustainable management of groundwater impacts at petroleum hydrocarbon sites

  • Examining the UK regulatory context for NSZD as part of a monitored natural attenuation (MNA) solution to achieve remedial objectives
  • Detailing the concept of NSZD as a monitored natural attenuation (MNA) solution for hydrocarbon light non aqueous phase liquids (LNAPL):
    • Methods for evaluation of natural attenuation and source depletion rates
      how the solution has developed
    • comparison of methods with example applications
  • Exploring the benefits of NSZD assessment as basis for remedial technology selection or transition to NSZD in a sustainability framework   
  • Practical experiences of NSZD with applied R&D, guidance, field trials, and application at a former refinery site

Anwen Hughes
Technical Director & Associate, Golder Associates
Golder Associates, UK

Dr Parisa Jourabchi
Senior Environment Engineer, Golder Associates
Golder Associates, Canada

16.20 Case Study: Meridian Water Zone 1 – An example of applying an innovative solution to eliminate perpetual groundwater liabilities

  • An introduction to the Site Conceptual Model and the contamination challenge faced
  • Exploring the technology used - the NET system - and the solution achieved
  • Detailing the remediation results and obtaining regulatory sign-off

Dave Rutherford
Zone 1 Development Manager (Enabling Works) – Meridian Water
Enfield Council


16.45 Application of Low Temperature In-Situ Heating to Enhance Light Non-Aqueous Phase Liquid Recovery

  • Overview of available in-situ thermal technologies and their potential application to groundwater remediation
  • Strategy Development and Remedial Approach: coupling of thermal conductive heating to enhance LNAPL recovery via skimming techniques
  • The design of a pilot trial to verify and quantify the benefits of the innovative thermal technology
  • Preliminary Results: lessons learnt on how to optimise the remediation application and comparison with standard recovery techniques
  • Further verification and full-scale implementation at a former automotive assembly plant

Nicolas Barbian
Principal Remediation Consultant, Arcadis


17.25 Q&A

17.35 Closing remarks from the Chairman

Close of conference followed by a networking drinks reception


Full price - £440
Full price subscriber rate - £396

Second / third delegate - £247 / £187
Local authorities / academia - £147

To discuss non-standard attendance options including concessionary and group rates please call +44(0) 203 637 2191 or email



Logos - envirolabInsitu


Supported by:

 Logo - IES    BDA logo   British-Hydrology-Society    Logo - Geological Society 

Event sponsorship

Brownfield Briefing is inviting appropriate sponsors and exhibitors to this event and, in doing so, to benefit from a complete promotional package in the lead up to the live event itself. To learn more about the full range of exhibitor and sponsorship opportunities at the Groundwater 2018 conference, download the 2018 Exhibitor and Sponsorship Pack here, call +44 (0)203 637 2191, email or click on the button below.