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Concawe has published a new report called Case Studies and Analysis of Sustainable Remediation Techniques and Technologies

The report aims to fill in a recognised gap in the provision of detailed case studies documenting the practical implementation of sustainable remediation, and facilitate further refinement of guidance.

Concawe commissioned CL:AIRE to a) gather, prepare and publish ten European case studies that demonstrate sustainable remediation techniques and technologies and b) provide an analysis of the case studies to identify key success factors. A cross comparison analysis of the ten case studies has been carried out, seeking to help practitioners compare these case studies to their own projects. The cross comparison analysis focused on the following attributes: site location and type of site (former use); saturated / unsaturated zone impact; targeted contaminants; risk drivers; envisaged land use; objectives for sustainability assessment; remediation options compared; stakeholder engagement; boundary conditions; scope (environmental, economic, social); key constraints / opportunities; and assessment type (qualitative, semi-quantitative etc). Based on this analysis and recently published guidance, a practical approach for deploying sustainable remediation on operational sites has been proposed. Working with a risk-based conceptual site model, effective engagement with stakeholders and a sound understanding of sustainable remediation practices are seen as key success factors from these case studies. 

The report was prepared by Rob Sweeney and Nicola Harries, CL:AIRE and Paul Bardos, r3 Environmental Technology Ltd.

The report is available to download on the Concawe website at and the following ten CL:AIRE Concawe Case Study Bulletins are available to download at

CL:AIRE Concawe Bulletin Author(s)
CON01-Sustainable Remediation of a Former Vehicle Maintenance Facility for Mixed Use Development Alison Huggins, Ramboll UK Ltd
CON02-Natural Source Zone Depletion Assessment: UK Large-Scale Field Case Study Duncan Dodge, WSP UK Ltd
CON03-Sustainable In Situ Thermal Remediation James Baldock, Simon Tillotson, Kevin Leahy, Jennifer Warriner and Joanne Dinham, ERM
CON04-Sunshine on the Tyne – Sustainable Hydrocarbon Remediation Neil Whalley, Northern Gas Networks; Emma King, Sweco UK Limited; Adam Wilson, Geo2 Remediation Limited
CON05-Reactive Mat in Canal Catches Groundwater Contaminants Tobias Praamstra, TAUW
CON06-Sustainable Remediation of a Petrol Release in a Chalk Aquifer David Granger, Lewis Jones, AECOM
CON07-Biosparge of Benzene and Orthodichlorobenzene in Groundwater: A Sustainable Remedy David Thomas, Laurence Rebenne, Jacobs
CON08-Sheen Mitigation Using an Oleophilic Bio Barrier - A New and Sustainable Remediation Technique Natasha Shade, Tom Pickett, Arcadis UK
CON09-Natural Source Zone Depletion in a Dismantled Petrol Station Thomas Grosjean, bp; Manuel Martí, Joana Rocha, AECOM
CON10-Sustainability Assessment Case Study – Groundwater Remediation Close-Out Kevin Shepherd, AECOM