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Sammanfattning

Concerns about environmental contamination by organic micropollutants (OMPs) are increasing, due to their potential bioaccumulative and toxic properties. This study evaluated the risk posed by OMPs to aquatic ecosystems in Swedish freshwaters. The assessment was based on measured environmental concentrations (MEC) of OMPs in surface waters upstream and downstream of Swedish wastewater treatment plants (WWTPs). A novel optimised risk quotient (RQ(f)) was used to identify potential high-risk substances in the aquatic environment. A secondary objective was to assess the impact of WWTP effluent on aquatic ecosystems using a novel impact factor (I) based on the risk quotient (RQ). Among the 126 substances investigated, four compounds (metformin, N,N-dimethyltetradecylamine, oxazepam, and venlafaxine) were identified as likely to pose a risk to aquatic ecosystems in Swedish surface waters (RQ(f)>1), and five compounds (clindamycin, gemfibrozil, sertraline, o-desmethylvenlafaxine, and diclofenac) were identified as posing a moderate risk to aquatic ecosystems (0.1

Nyckelord

Risk assessment; Pharmaceuticals; Aquatic environment; Ecotoxicology; Environmental monitoring

Publicerad i

Journal of Hazardous Materials
2022, volym: 429, artikelnummer: 128302
Utgivare: ELSEVIER

SLU författare

Globala målen (SDG)

SDG6 Rent vatten och sanitet för alla
SDG15 Ekosystem och biologisk mångfald

UKÄ forskningsämne

Miljövetenskap

Publikationens identifierare

  • DOI: https://doi.org/10.1016/j.jhazmat.2022.128302

Permanent länk till denna sida (URI)

https://res.slu.se/id/publ/115961