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Risk assessment of Xenobiotics in stormwater discharged to Harrestrup Å, Denmark
Faculty Office of Business and Economics.ORCID iD: 0000-0002-5472-8553
Department of Environmental Engineering, Technical University of Denmark.ORCID iD: 0000-0003-1396-408X
Department of Environmental Engineering, Technical University of Denmark.ORCID iD: 0000-0003-3799-0493
Department of Environmental Engineering, Technical University of Denmark.
2007 (English)In: Desalination, ISSN 0011-9164, E-ISSN 1873-4464, Vol. 215, no 1-3, 187-197 p.Article in journal (Refereed) Published
Abstract [en]

Surface waters are highly manipulated in many cities in Europe, and the flow is largely impacted by dischargesof stormwater and combined sewer overflow. Toxicity tests shown adverse effects in some of these recipients dueto the presence of xenobiotic organic carbons (XOCs). Harrestrup Å, situated in the City of Copenhagen, is one ofthese recipients, where biotest using algae showed measurable toxicity in eight samples taken in 2003. Twenty-fivedifferent XOCs were quantified in the same samples. The present study aimed at identifying the most relevantXOCs out of these 25 to be selected for further analysis with respect to potential source control options.Fourteen XOCs (56%) were identified to constitute a potential hazard based on the RICH evaluation (Rankingand Identification of Chemical Hazards), while 9 XOCs (36%) were found to constitute a hazard towardsthe aquatic ecosystem based on an environmental-concentration/predicted-no-effect-concentration-quotient. Thequantified levels did, however, fulfil the Danish and European surface water quality criteria (QC) and environmentalquality standards (ESQ). Thus, although the QC and ESQ are met there is an actual risk due to stormwater-relatedpollutants. This clearly illustrates that there is a need for monitoring the stormwater quality in order to protect theecosystems. It also shows that actions are needed to implement source control options and emission barriers.Twelve XOCs were selected for further evaluation of possible source control option to be implemented in orderto improve the water quality. These are five pesticides (diuron, glyphosate, isoproturon, MCPA, terbutylazine),4 PAHs (acenaphthene, fluoranthene, fluorene, pyrene), 3 others (LAS, nonylphenol and dinitro-o-cresol).

Place, publisher, year, edition, pages
2007. Vol. 215, no 1-3, 187-197 p.
National Category
Environmental Sciences
Identifiers
URN: urn:nbn:se:lnu:diva-66755DOI: 10.1016/j.desal.2006.12.008OAI: oai:DiVA.org:lnu-66755DiVA: diva2:1119989
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Available from: 2017-07-05 Created: 2017-07-05 Last updated: 2017-07-05

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Eriksson, evaBaun, AndersMikkelsen, Peter Steen
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CiteExportLink to record
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