Distribution, Source and Potential Risk Assessment of Polychlorinated Biphenyls (PCBs) in Sediments from the Liaohe River Protected Area, China

This study aimed to assess the occurrence, distribution, toxicity equivalency and health risks of dl-PCBs (dioxin-like PCBs) from nine sites collected in surface sediments from Liaohe River Protected Area. ∑dl-PCBs concentrations in sediments range from 79.2 to 365.1 pg/g. Sediment profiles showed t...

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Published in:Sustainability 2021-10, Vol.13 (19), p.10750
Main Authors: Zhang, Yun, Wang, Chuyuan, Du, Liyu
Format: Article
Language:English
Subjects:
Additives
Analytical chemistry
Carcinogens
Congeners
Creeks & streams
Dioxins
Electronic waste
Fluvial sediments
Health risk assessment
Health risks
PCB
Pollutants
Polychlorinated biphenyls
Principal components analysis
Protected areas
Risk assessment
Rivers
Sediments
Shellfish
Skin
Sustainability
Toxicity
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cited_by cdi_FETCH-LOGICAL-c298t-f0d6cf905d7eb9f91b1dd4ce158b7d62461a0ce086136884826a32c17d39bb173
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creator Zhang, Yun
Wang, Chuyuan
Du, Liyu
description This study aimed to assess the occurrence, distribution, toxicity equivalency and health risks of dl-PCBs (dioxin-like PCBs) from nine sites collected in surface sediments from Liaohe River Protected Area. ∑dl-PCBs concentrations in sediments range from 79.2 to 365.1 pg/g. Sediment profiles showed that pentachlorobiphenyl is the most abundant congener among all sampling sites. The results of principal component analysis and cluster analysis indicated that PCBs were mainly derived from electronic waste and paint additives in the sediments of Liaohe River Protected Area. Toxic equivalent quantity (TEQ) values of the PCBs in the Liaohe River Protected Area sediments are at comparatively lower levels compared with the previously reported data. Hazardous ratio (HR) for human health risk assessment allied to cancer was found to be lower than the non-carcinogenic risk assessment within an acceptable range.
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subjects Additives
Analytical chemistry
Carcinogens
Congeners
Creeks & streams
Dioxins
Electronic waste
Fluvial sediments
Health risk assessment
Health risks
PCB
Pollutants
Polychlorinated biphenyls
Principal components analysis
Protected areas
Risk assessment
Rivers
Sediments
Shellfish
Skin
Sustainability
Toxicity
title Distribution, Source and Potential Risk Assessment of Polychlorinated Biphenyls (PCBs) in Sediments from the Liaohe River Protected Area, China
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