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Assessing costs and benefits of improved soil quality management in remediation projects: A study of an urban site contaminated with PAH and metals
Department of Architecture and Civil Engineering, Chalmers University of Technology, Gothenburg, Sweden.
Swedish Geotechnical Institute, Linköping, Sweden; Department of Soil and Environment, Swedish University of Agricultural Sciences, Uppsala, Sweden.
Swedish Geotechnical Institute, Linköping, Sweden.
Swedish Geotechnical Institute, Linköping, Sweden.
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2020 (English)In: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 707, article id 135582Article in journal (Refereed) Published
Abstract [en]

Contaminants in the soil may threaten soil functions (SFs) and, in turn, hinder the delivery of ecosystem services (ES). A framework for ecological risk assessments (ERAs) within the APPLICERA - APPLICable site-specific Environmental Risk Assessment research project promotes assessments that consider other soil quality parameters than only contaminant concentrations. The developed framework is: (i) able to differentiate the effects of contamination on SFs from the effects of other soil qualities essential for soil biota; and (ii) provides a robust basis for improved soil quality management in remediation projects. This study evaluates the socio-economic consequences of remediation alternatives stemming from a Tier 1 ERA that focusses on total contaminant concentrations and soil quality standards and a detailed, site-specific Tier 3 Triad approach that is based on the APPLICERA framework. The present study demonstrates how Tier 1 and Tier 3 ERAs differ in terms of the socio-economic consequences of their remediation actions, as well as presents a novel method for the semi-quantitative assessment of on-site ES. Although the presented Tier 3 ERA is more expensive and time-consuming than the more traditional Tier 1 ERA approach, it has the potential to lower the costs of remediation actions, decrease greenhouse gas emissions, reduce other environmental impacts, and minimise socio-economic losses. Furthermore, the remediation actions stemming from the Tier 3 ERA were predicted to exert far less negative ES effects than the actions proposed based on the results of the Tier 1 ERA.

Place, publisher, year, edition, pages
Elsevier, 2020. Vol. 707, article id 135582
Keywords [en]
Contaminated sites, Cost-benefit analysis, Ecological risk assessment, Ecosystem services, Remediation, Soil quality
National Category
Environmental Sciences
Research subject
Biologi med ekologisk inriktning
Identifiers
URN: urn:nbn:se:oru:diva-79362DOI: 10.1016/j.scitotenv.2019.135582ISI: 000507925700017PubMedID: 31776003Scopus ID: 2-s2.0-85075966863OAI: oai:DiVA.org:oru-79362DiVA, id: diva2:1391194
Funder
Swedish Research Council Formas, 210-2014-87
Note

Funding Agencies:

Swedish Environmental Protection Agency  

Swedish Geotechnical Institute 

Available from: 2020-02-03 Created: 2020-02-03 Last updated: 2020-03-17Bibliographically approved

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