Micropollutants in urban wastewater: large-scale emission estimates and analysis of measured concentrations in the Baltic Sea catchment

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http://urn.fi/URN:NBN:fi-fe2022050533184 http://hdl.handle.net/10138/343347

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Emma Undeman, Kristina Rasmusson, Ilga Kokorite, Matti T. Leppänen, Martin M. Larsen, Ksenia Pazdro, Grzegorz Siedlewicz. Micropollutants in urban wastewater: large-scale emission estimates and analysis of measured concentrations in the Baltic Sea catchment. Marine Pollution Bulletin 178 (2022), 113559, ISSN 0025-326X. https://doi.org/10.1016/j.marpolbul.2022.113559

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Julkaisun nimi: Micropollutants in urban wastewater: large-scale emission estimates and analysis of measured concentrations in the Baltic Sea catchment
Tekijä: Undeman, Emma; Rasmusson, Kristina; Kokorite, Ilga; Leppänen, Matti T.; Larsen, Martin M.; Pazdro, Ksenia; Siedlewicz, Grzegorz
Tekijän organisaatio: Suomen ympäristökeskus
The Finnish Environment Institute
Julkaisija: Elsevier BV
Päiväys: 2022
Kieli: en
Kuuluu julkaisusarjaan: Marine Pollution Bulletin
ISSN: 0025-326X
DOI-tunniste: https://doi.org/10.1016/j.marpolbul.2022.113559
URI: http://urn.fi/URN:NBN:fi-fe2022050533184
http://hdl.handle.net/10138/343347
Tiivistelmä: Wastewater treatment plants (WWTPs) transmit many chemical contaminants to aquatic environments. Quantitative data on micropollutant emissions via WWTPs are needed for environmental risk assessments and evaluation of mitigation measures. This study compiled published data on substances analysed in effluents from WWTPs in the Baltic Sea region, assessed country related differences in the data sets and estimated micropollutant inputs to the Baltic Sea catchment. Concentration data were found for 1090 substances analysed at 650 WWTPs. Heterogeneity and low number of data points for most substances hindered adequate comparisons of country specific concentrations. Emission estimates were made for the 280 substances analysed in at least five WWTPs in years 2010 to 2019. For selected substances, mass loads were compared to previously published estimations. The study provides data useful for national and Baltic Sea-scale pressure analysis and risk assessments. However, it also highlights the need for broad scope monitoring of micropollutants in wastewater.
Kuvaus: Highlights • Comprehensive study of micropollutants measured in effluents in the Baltic Sea region • Concentration data were found for ⁓90,000 observations and >1000 individual substances. • Differences in observed levels between countries were assessed. • Catchment scale total mass loads via WWTPs were calculated for 280 chemical contaminants.
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Tekijänoikeustiedot: CC BY 4.0


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