Presentations (klick the title of the session to download all presentations from the session).

Opening session
Welcome: Marianne Borgen, Major of Oslo
Paul S. Cappelen, Coordinator for NORDROCS 2022
Morten Jartun, President of Miljøringen, Norway
Keynote speaker: Dietmar Müller-Grabherr, EU Common Forum Biodiversity, Circular Economy and Climate Change – streamlining Societal Challenges to Contaminated Land Management (within the EU Green Deal)

EPA session from 4 Nordic countries – Topic PFAS
Chair: Vanja Alling, Norwegian Environment Agency
Presentations and discussion, moderated by Dietmar Müller-Grabherr. Participants will be Julie Kofoed (Denmark), Jussi Reinikainen (Finland), Vanja Alling (Norway) and Niclas Johansson (Sweden).

Session A – Remediation of soil, rock and groundwater, Chair: Mette M. Broholm (DTU)
Keynote speaker: Mike Annable (University of Florida) The critical link between characterization and remediation.
Nina Tuxen (Capital Region of Denmark) Innovative remediation of contaminant plumes as a sustainable alternative to traditional pump and treat.
Gary Wealthall (Geosyntec Consultants) Advances in the Bioremediation of DNAPL source zones in fractured bedrock.

Session B – Soil as a resource Chair: Jarno Laitinen (Ramboll)
Stefan Ritter (NGI) Reuse of waste and surplus masses as impermeable geological materials: Potential of pressfilter residual and excavated lime cement stabilised clay for landfill barriers.
Klaus Weber (NIRAS) LCA screening of remediation methods – a simplified approach using life cycle profiles.
Emma Flodin (Ramboll) Biochar for managing sulphide bearing geomaterial.
Cathrine Eckbo (NGI) Reuse of end of life concrete: The problem of hexavalent chromium leaching.

Session C – PFAS Chair: Linda Karlsson (NIRAS)
Keynote speaker: Hans Slenders (Arcadis) PFAS in soil and water: deal with it!
Kevin J. Tuttle (Norconsult) PFOS-sorption in the groundwater fluctuation zone.
Julie Kofoed (Danish Regions) PFAS findings in close to 1 100 site investigations at various businesses.

Session D – Urban challenges Chair: Ulrika Larson (Empirikon)
Outi Hyttinen (Sitowise) The Viinikanlahti Bay case – when contaminated lake sediments meet an international urban ideas competition.
Agnieszka T. Bentzen (Region of Southern Denmark) Integrated water management in the future climate change for robust risk assessment from contaminated point sources.
Hanna Almqvist (WSP) and Marie Arnér (Arnér Consulting) From gas works site to residential area – challenges and solutions in assessing vapour intrusion of PAH.
Louise Skytte Clausen (Sweco) and Morten Møller Klausen (Ultra Aqua) UV technology – A new way to remove chlorinated compounds from air

Session E – Remediation – Soil, rock and groundwater Chair: Aura Nousiainen (Finnish Environment Institute)
Katerina Tsitonaki (WSP) Reagents for in situ remediation: State of the art and latest innovations.
Azariel Ruiz-Valencia (University of Lyon) Bioelectrochemical Remediation of Petroleum-Contaminated Soil and Groundwater.
Josephine Molin (Evonik) Combining Biogeochem­ical Processes to Enhance Reductive Treatment of Chlorinated Organics and Metals.
Peter Harms-Ringdahl, Martin Palmqvist (EnviFix) Investigation and remediation of soil at marinas and boat maintenance sites.

Session F – Emerging contaminants Chair: Patrick van Hees (Eurofins)
Hans Peter Arp (NGI) Prioritizing emerging Persistent and Mobile organic substances in groundwater and drinking water through hazard and risk assessment for substi­tution and remediation.
Mahdiyeh Mohammad­zadeh (University of Oulu) Adsorption performance of surface-modified biosorbent for removal of antibiotics from wastewater.
Henning Jensen (NGU) Microplastic in marine sediments –Results from the MAREANO mapping program and some analytical challenges encountered.
Gøril Aasen Slinde (NGI) The environmental legacy of disposable paper plates – PFAS contamination in Tyrifjorden

Session G – Site Investigations – Sediments Chair: Marianne Olsen (NIVA)
Leo Regazzoni (SGF/Lektus) and Thomas Jansson (SGF/Geosyntech) Certified sampling in practice – 10 years with certified environmental sampling according to Nordic standard.
Jens Laugesen (DNV) Trends and developments in innovative investigations and monitoring of marine sediments.
Nils Ekeroth (NIRAS) Monitored natural recovery (MNR) in Drammens-fjorden, Norway.
Hubert de Jonge (Eurofins) A Danish case study for sampling in surface water with volume-based passive sampling – Sorbisense method.

Session H – Remediation – Soil, rock and groundwater Chair: Annika Fjordbøge (DTU)
Bertil Ben Carlson (WSP) Pump & treat – Lessons learnt from the reassess­ment and optimization at more than 40 sites and best practice from current projects.
Helena Hinrichsen (Envytech Solutions) Surface Active Foam Fractionation (SAFF): Effective PFAS removal from water using only air
Lars Været (Norconsult) Remediation of PFAS contaminated ground at a former fire-fighting facility. From initial investigations to completed remediation. Lessons learned.
Helena Nord (RGS Nordic) Remediation of a 1 km long PCE plume in the woods of Lappeenranta, Finland, using a Plume­Stop barrier with colloidal active carbon for in situ sorption and HRC for enhanced reductive dichlorination.

Session I – Site Investigations – Soil, rock and groundwater Chair: Randi Warland Kortegaard (Ragn-Sells)
Jesper B. Nielsen (NIRAS) Revisiting an old oil spill – new high resolution tools provide data for a new and much different conceptual model.
Lars Davidsson (WSP) Evaluation of High Resolution Methods for VOC Contaminant and Flux Distributions in Igneous / Metamorphic Rock Settings.
Simon Ross Stenger (NGI) Interpretation and visua­lization of contaminated soil at a former ferro­silicon smelter using implicit 3D modelling – is it worth the effort?
Gro Lilbæk (NIRAS) High-resolution site characterization using new groundwater profiler.

Session J – Risk assessment – Sediments  Chair: Morten Jartun (NIVA)
Keynote speaker: Marianne Olsen (NIVA) Clean up levels for contaminated sediments based on bioavailability.
Ann-Sofie Wernersson (SGI) Swedish Sediment Risk Assessment Strategy.
Arto Itkonen (Sitowise) Lead shots in a sensitive spring lake – case Onkilampi, Suonenjoki, Finland.

Session K – Remediation – Soil, rock and groundwater Chair: Mette Christophersen (Ramboll)
Tove Mallin (RISE) Testbed PFAS – evaluation of remediation techniques for PFAS contaminations and PFAS-free fire extinguishing agents
Michel Hubert (NGI), Optimizing soil washing as a remediation method for PFAS contaminated soil
Søren Eriksen (Krüger) Thermal Conductive Heating for PFAS remediation.
Jack Shore (Regenesis) Installation and operation of an injectable in situ permeable reactive barrier to prevent the advection of per- and polyfluoroalkyl substances at an airport.

Session L – Remediation – Sediments Chair: Jens Laugesen (DNV)
Hilde Trannum (NIVA) Long-term biological effects of capping with thin layers of activated carbon in the Grenland fjords, Norway
Jarno Laitinen (Ramboll) Minimizing sustainability impacts throughout dredging project – from decision making to stabilization.
Sissel Ranneklev (NIVA) Identifying the most contaminated sediments along the cost of Norway.
Alizee Lehoux (University of Uppsala) Remediation of contaminated fibrous sediments combined with energy production.

Session M – Risk assessment – Soil, rock and groundwater Chair: Paul S. Cappelen (NGI)
Jussi Reinikainen (Finnish Environment Institute) Risk assessment of PFAS contaminated sites as a result of firefighting activities.
Leo Yeung (Örebro University) Comprehensive assessment of poly-/perfluoroalkyl substances (PFAS) in contaminated soil.
Mette M. Broholm (DTU) Degradation of pharmaceu­tical compounds in the plume emanating from the factory site in Grindsted – tools and evaluation of degradation potential.
Torunn Hønsi (Western Norway Research Institute) Contaminated sites at risk: A GIS-based identification and assessment of possible increased pollution and reduced water quality due to climate change.

Session N – Sustainability Chair: Peter Harms-Ringdahl (Envifix)
Keynote speaker: Alan Thomas (SuRF UK) Sustainable Remediation – a review of recent SuRF UK guidance and a look forward to future trends.
Paul Drenning (Chalmers) A risk management framework for gentle remediation options.

Session P – Environmental Geotechnics Chair: Mari Dahl (University of Helsinki)
Keynote speaker:Suzanne Lacasse (NGI) Common Ground – the unifying, added value of sustainable geotechnics.
Marius Søvik (NGI) Stepwise preloading to expand the capacity at Langøya waste disposal site.