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Risk assessment of xenobiotics in stormwater discharged to Harrestrup Å, Denmark by Eva Eriksson; Anders Baun; Peter Steen Mikkelsen; Anna Ledin is a Environmental Science article available to read on EtoBox.

What is Risk assessment of xenobiotics in stormwater discharged to Harrestrup Å, Denmark about?

Surface waters are highly manipulated in many cities in Europe, and the flow is largely impacted by discharges of stormwater and combined sewer overflow. Toxicity tests shown adverse effects in some of these recipients due to the presence of xenobiotic organic carbons (XOCs). Harrestrup Å, situated in the City of Copenhagen, is one of these recipients, where biotest using algae showed measurable toxicity in eight samples taken in 2003. Twenty-five different XOCs were quantified in the same samples. The present study aimed at identifying the most relevant XOCs 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 (Ranking and Identification of Chemical Hazards), while 9 XOCs (36%) were found to constitute a hazard towards the aquatic ecosystem based on an environmental-concentration/predicted-no-effect-concentration-quotient. The quantified levels did, however, fulfil the Danish and European surface water quality criteria (QC) and environmental quality standards (ESQ). Thus, although the QC and ESQ are met there is an actual risk due to st

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Author

Eva Eriksson; Anders Baun; Peter Steen Mikkelsen; Anna Ledin

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0011-9164)

Published

2007

Language

EN

Field

Environmental Science (Physical Sciences)