Tuesday 15 September 2026
Session A – Opening session
Impacts of PFAS-Enriched Sea Spray Aerosol on Coastal Regions. Ian Cousins (Stockholm University, Sweden)
Session B – Emerging contaminants
Confronting soils polluted with PFAS and other emerging persistent and mobile organic contaminants. Hans Peter Arp (Norwegian Geotechnical Institute, Norway)
PFAS in Fire Foam Contaminated Soils – The Importance of Precursors for Risk Assessment. Patrick van Hees (Eurofins, Sweden)
A Novel Secondary Treatment Step for Tunnel Wash Water: Impact on Retention and Toxicity of Tire and Road Wear Particles, Tire Leachates. Ole Holthusen (Ramboll, Norway)
Session C – Investigation techniques
When chlorinated solvents have reached bedrock – now what do you do? Patrik Nilsson (Rosmarus Enviro AB, Sweden)
When Contamination Hides: Using geophysics to interpret complex geology and thus contaminant distribution. Bo Tegner Bay (COWI, Denmark)
Cost-effective source tracing of hydrocarbon contamination – from compliance to insight. Eirik Aas (Eurofins, Denmark)
Passive Soil Gas Sampling: An Alternative to Active Sampling for Chlorinated Compounds. Christina Voss Ernstsen (Central Denmark Region, Denmark)
Session D – Indoor air
To be or not to be a risk – that is the PFT-indoor air question. Iben Winther Hougaard (COWI, Denmark)
VOC Intrusion: Four Years of Pilot Scale Testing. Jessika Stolze (Ramboll, Finland)
Protection against methane vapour from previous landfill in newly built housing. Hans Grønlund Smiszek (Ramboll, Denmark)
Variation in VOC concentration over time – results of two years’ measurements. Susanne Arentoft
Session E – Management, admin & policies
Momentum of change: Fast-tracking Iceland’s contaminated land practices. Erla Gudrun Hafsteinsdottir and Kristín Kröyer (Icelandic Environment and Energy Agency, Iceland)
Risk assessment of contaminated sites: application of conceptual models and contaminant mass discharge. Poul L. Bjerg (DTU Sustain, Denmark)
Risk Assessment of PFAS in Soil and Groundwater – Knowledge Upgrade and Development of a Common Guideline Across an Environmental Authority. Ane LaBianca (Capital Region of Denmark, Denmark)
Session F – Remediation of chlorinated solvents – Plume
Uncovering Microbial Drivers of Groundwater Pollutant Biodegradation via Total RNA. Ivan Perez Samos (Aarhus University, Denmark)
Nine In Situ Permeable Reactive Barriers Treat a Large Chlorinated Solvent Plume Beneath a City. Jack Shore (Regenesis, United Kingdom)
Chemical vs. Biological Oxidation – Key Selection Criteria and Case Studies using a Combined Approach. Josephine Molin (Evonik, United States)
Combined Abiotic-Biotic Remediation for Chlorinated Solvents plumes: concept and 5 years experience. Morten Dreyer and Kirsten Rügge (COWI, Denmark)
Session G – Risk assessment
Predicting ecotoxicity of coal tar asphalt in soils using Toxic Units of modelled bioavailable concentrations of Polycyclic Aromatic Hydrocarbons. Martin Oscar Larsson (Luleå University of Technology, Sweden)
Reducing Uncertainty in DDT Risk Assessment at Former Forest Nurseries Through Organism-Level Data and Probabilistic Modelling. Hanna Almqvist (WSP, Sweden)
Predictive groundwater modelling of atrazine transport and depletion in a boreal aquifer system. Ella Rintamäki (University of Helsinki, Finland)
Assessing Risk Reduction of PAHs in Soil Stabilised with Biochar: A Site-Specific Risk Assessment Methodology. Matilda Johansson (Swedish Geotechnical Institute, Sweden)
Session H – Social sustainability and communication
Assessing Social Sustainability in Contaminated Site Investigations. Gitte Lemming Søndergaard (Ramboll, Denmark)
“Clean” but not harmless – the challenge of natural arsenic in Skaraborg. Viktoria Lundborg (Jordnära, Sweden)
Crisis communication during the unearthing of foul-smelling, rusty chemical barrels with unknown contents in a residential area. Martin Holding (Region of Southern Denmark, Denmark)
Session I – Land management
Can arsenic levels be reduced after remediation? Helena Nord
Recycling and reuse of biological contaminated soil. Magnus P. Ofstad (Soilsteam, Norway)
Safe landfilling of excavated peat soils naturally rich in uranium. Gabrielle Dublet-Adli (Norwegian Geotechnical Institute, Norway)
Wednesday 16 September 2026
Session J – Policy
The Soil Monitoring Law: End in Itself or Catalyst for Risk-Based Action? Jussi Reinikainen (Finnish Environment Institute, Finland)
Step-by-step investigations and remedial actions at a former industrial dry cleaner in Boden, Sweden. Lessons learned. Erik Bergstedt (Geological Survey of Sweden, Sweden)
PFAS43 in the EU Soil Law: Bridging analytical feasibility with environmental and regulatory relevance, illustrated on case studies. Eirik Aas (Eurofins, Denmark)
Session K – Remediation of chlorinated solvents – Source zone
Granular ZVI – Biochar Treatment of Vinyl Chloride-Contaminated Groundwater: Column Studies and Reactive Transport Modeling. Jinxin Zhao and Dominique J. Tobler (University of Copenhagen, Denmark)
In-situ thermal source zone clean-up at the Nikro site in Ylöjärvi, Finland. Marcel Kolle (Nocon Remediation BV, the Netherlands) and Mikko Kotro (Nordic Envicon Oy, Finland)
Thermal Remediation of a CVOC site – a textbook example of a data driven thermal project. Niels Ploug (Veolia, Denmark)
How to remediate chlorinated solvents under a building using directional direct push technology. Kristin Forsberg (Sheeba Environmental Engineering, Sweden)
Session L – PFAS risk assessment
Leaching behavior of per- and polyfluorinated substances in sandy soils. Åse Høisæter (Norconsult, Norway)
From Soil to Plants and Animals: Integrated PFAS Risk Assessment in Complex Exposure Environments at airports. Niklas Törneman (Sweco, Sweden)
Vertical PFAS Transport In Glacial Tills – Field Investigations And Numerical Modelling. Esther Schott (Technical University of Denmark, Denmark)
Investigation of diffuse PFAS contamination in urban areas and the risk to groundwater. Katerina Tsitonaki (WSP, Denmark)
Session M – Sediment and surface water
Regional environmental policy supporting management of hazardous substances – the HELCOM approach. Lotta Ruokanen (Baltic Marine Environment Protection Commission – HELCOM, Finland)
The Water Framework Directive & its implications – challenges in risk assessment for infrastructure projects & remediation of contaminated soil/water. Monique Beyer (Ramboll, Denmark)
Risk assessment guidance on contaminated sediment. Ann-Sofie Wernersson (Swedish Geotechnical Institute, Sweden)
Session N – Environmental sustainability
Invasive species in land remediation – how they drive up costs, carbon footprint and limit sustainable soil handling. Ida Torp (Liljemark Consulting AB, Sweden)
Future Climate Stressors and their impacts on Contaminated Soil: Insights from EU Taxonomy-based Climate Risk Assessments. Ida Kristine Buraas Aasgaard (WSP, Denmark)
Evaluating Environmental Impacts in Contaminated Site Investigations. Ida Dyrlund Damgaard (Central Denmark Region, Denmark)
Biogas production from fiberbanks: combining sediment remediation and energy production. Anna-Karin Dahlberg (IVL, Sweden)
Session O – PFAS and CVOC investigations
Tree Core sampling as a Screening method for PFAS Contamination. Mette Algreen and Katrine Smith (WSP, Denmark)
Integrated PFAS source tracing & recipient-loading assessment using passive sampling, flow measurements & modelling at airports & industrial sites. David Friberg Prytz (Sweco, Sweden)
Flux-based assessment of PFAS migration: an industrial groundwater case in Belgium. Marjan Joris, Erik Bosmans and Joachim Onkenhout (iFLUX, Belgium)
Semi-Quantitative Direct-Push Data Can Improve Contaminant Delineation and Mass Discharge in Groundwater. Anton Bøllingtoft (NIRAS, Denmark)
Session P – Digital opportunities of tomorrow
From Assessment to Action: Developing of AI Assistants to Transform Mitigation, Substitution, and Innovation. Steffen Foss Hansen (Technical University of Denmark, Denmark)
Development of a Machine Learning Model for Assessing PFAS Vulnerability in Danish Groundwater. Bastian Germundsson (COWI, Denmark)
Death to the PDF? Making Contaminated Site Reports Visual, Interactive, and Useful. Aura Nousiainen (Sitowise, Finland)
Session Q – Remediation of soil and groundwater
Comparison of treatment options for the remediation of soil from a wood impregnation site. Steffen Hertle (Luleå University of Technology, Sweden)
Exothermicity of sodium persulfate chemical oxidation in soils: implications for in situ chemical oxidation safety. Francisco Campos Castro de Carvalho (Ramboll, Sweden)
Ten Years of In Situ Remediation at a Former Sawmill Site: Methods, Performance and Lessons Learned. Arto Itkonen (Sitowise, Finland)
Factors Controlling Heavy Metal Behavior from Pyrite Ash in an Estuarine Environment: From Laboratory Studies to Pilot-Scale Remediation. Jeroen Vandenbruwane (INJECTIS NV, Belgium)
Session R – PFAS remediation
Landfill acceptance criteria for PFAS – implications for remediation of PFAS contaminated sites. Martijn van Praagh (Swedish Geotechnical Institute, Sweden)
Stabilisation of PFAS in soil using activated carbon and modified bentonite clay – Lab assessment of stability and effects of dissolved organic matter. Linda Johnsson (Swedish Geotechnical Institute, Sweden)
New concept for in-situ remediation of PFAS plumes – can a treatment zone with colloidal activated carbon reduce the mass flux? Laura Morsing (Technical University of Denmark, Denmark)
PFAS remediation at Avinor’s airports – Overview and results. Mona Cecilie Hansen (Avinor, Norway)