Multidimensional occurrence and diet risk of emerging contaminants in freshwater with urban agglomerations

• Published in: Journal of hazardous materials Vol. 474; p. 134813
• Main Authors: Chai, Tingting, Jin, Yinyin, Cui, Feng, Li, Zongjie, Li, Mingxiao, Meng, Shunlong, Yuan, Lilai, Qiu, Jing, Mu, Jiandong, Xiao, Guohua, Mu, Xiyan, Qian, Yongzhong
• Format: Journal Article
• Language: English
• Published: Netherlands Elsevier B.V 05.08.2024
• Subjects: Animals; China; Cities; Diet; Dietary Exposure - analysis; Dietary risk; Ecological risk; Emerging contaminants; Environmental Monitoring; Fishes; Food Contamination - analysis; Fresh Water; Geologic Sediments - analysis; Geologic Sediments - chemistry; Humans; Lakes; Multidimensional distribution; Pollution source; Risk Assessment; Seasons; Water Pollutants, Chemical - analysis; Water Pollutants, Chemical - toxicity; China; SER; BPBP; BPP; BPS; ENR; BPFL; PIPE; GRX; NALA; BPZ; ERY; DLX; OFL; NPX; CBZ; GPFX; OXOA; Dietary risk; BPAP; RUF; TSTX; SDZ; Multidimensional distribution; CIP; LOM; BPAF; Emerging contaminants; DAN; Ecological risk; BPA; NRFX; BPB; BPE; Pollution source; BPF; CLA; ROX; SMT; KET; IND; MAR; SIT; SMX
• ISSN: 0304-3894; 1873-3336; 1873-3336
• DOI: 10.1016/j.jhazmat.2024.134813

Freshwater systems near highly urbanized areas are extremely susceptible to emerging contaminants (ECs), yet their stereoscopic persistence in aquatic ecosystems and related risks remain largely unknown. Herein, we characterized the multi-mediums distribution of 63 ECs in Baiyangdian Lake, the biggest urban lake in the North of China. We identified variations in the seasonal patterns of aquatic EC levels, which decreased in water and increased in sediment from wet to dry seasons. Surprisingly, higher concentrations and a greater variety of ECs were detected in reeds than in aquatic animals, indicating that plants may contribute to the transferring of ECs. Source analysis indicated that human activity considerably affected the distribution and risk of ECs. The dietary risk of ECs is most pronounced among children following the intake of aquatic products, especially with a relatively higher risk associated with fish consumption. Besides, a comprehensive scoring ranking method was proposed, and 9 ECs, including BPS and macrolide antibiotics, are identified as prioritized control pollutants. These findings highlight the risks associated with aquatic ECs and can facilitate the development of effective management strategies. [Display omitted] •Higher levels of ECs are detected in reeds than in aquatic animals.•Psychotropic drugs were the predominant contributors to ecological risk.•The dietary risk of ECs is most pronounced among children following aquatic products intake.•9 ECs including BPS and macrolide antibiotics are identified as prioritized control pollutants.