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A methodology for ranking and hazard identification of xenobiotic organic compounds in urban stormwater
Technical University of Denmark, Denmark.ORCID-id: 0000-0003-1396-408X
Technical University of Denmark, Denmark.ORCID-id: 0000-0002-5472-8553
Technical University of Denmark, Denmark.
Technical University of Denmark, Denmark.ORCID-id: 0000-0003-3799-0493
2006 (engelsk)Inngår i: Science of the Total Environment, ISSN 0048-9697, E-ISSN 1879-1026, Vol. 370, nr 1, s. 29-38Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

The paper presents a novel methodology (RICH, Ranking and Identification of Chemical Hazards) for ranking and identification ofxenobiotic organic compounds of environmental concern in stormwater discharged to surface water. The RICHmethod is illustrated as afunnel fitted with different filters that sort out problematic and hazardous compounds based on inherent physico-chemical and biologicalproperties. The outcomes of the RICH procedure are separate lists for both water phase and solid phase associated compounds. Theselists comprise: a justified list of compounds which can be disregarded in hazard/risk assessments, a justified list of stormwater prioritypollutants which must be included in hazard/risk assessments, and a list of compounds which may be present in discharged stormwater,but cannot be evaluated due to lack of data. The procedure was applied to 233 xenobiotic organic chemicals (XOCs) of relevance forstormwater. Of these 233 compounds, 121 compounds were found to be priority pollutants with regard to solids phases (i.e. suspendedsolids, soil, or sediments) when stormwater is discharged to surface water and 56 compounds were found to be priority pollutants withregard to the water phase. For 11% of the potential stormwater priority pollutants the screening procedure could not be carried out due tolack of data on basic physico-chemical properties and/or data on bioaccumulation, resistance to biodegradation, and ecotoxicity. Thetiered approach applied in the RICH procedure and the focus on the phases relevant for monitoring or risk assessment in the aquaticenvironment refines the list of “compounds of concern” when compared to the outcome of existing classification schemes. In this paperthe RICH procedure is focused on effects in the aquatic environment exemplified with xenobiotic organic compounds (XOCs) found inurban stormwater, but it may be transferred to other environmental compartments and problems. Thus, the RICH procedure can be usedas a stand-alone tool for selection of potential priority pollutants or it can be integrated in larger priority setting frameworks.

sted, utgiver, år, opplag, sider
2006. Vol. 370, nr 1, s. 29-38
Emneord [en]
Risk assessment, Organic chemicals, Hazard, Toxicity, Biodegradation, Bioaccumulation
HSV kategori
Forskningsprogram
Naturvetenskap, Miljövetenskap
Identifikatorer
URN: urn:nbn:se:lnu:diva-66763DOI: 10.1016/j.scitotenv.2006.05.017OAI: oai:DiVA.org:lnu-66763DiVA, id: diva2:1119983
Tilgjengelig fra: 2017-07-05 Laget: 2017-07-05 Sist oppdatert: 2017-11-27bibliografisk kontrollert

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Baun, AndersEriksson, EvaMikkelsen, Peter Steen
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