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July 31, 2025

Polychlorinated Biphenyls in a Ramsar Wetland: Occurrence, Source Apportionment Using PMF, and Probabilistic Human Health and Ecological Risk Assessment in Water and Sediments of Ashtamudi Lake, India

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Authors

MSM A SreedPHP. S. Harikumar

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Overview

Study reveals moderate PCB contamination in water and sediments of a Ramsar wetland, highlighting anthropogenic sources and low ecological risks.

Key Points

  • Total PCB concentrations in sediments ranged from 0.20 to 2.99 µg/kg dry weight, indicating moderate contamination.
  • Three major sources of PCBs identified were Aroclor-type mixtures, open waste burning, and legacy e-waste contamination.
  • Multivariate analyses, including PMF, provided insights into the origins of PCB pollution in the wetland ecosystem.
  • Both ecological and human health risk assessments showed low potential for adverse effects from PCB exposure.

Cite This Study

Sreed et al. (2025) studied this question.

synapsesocial.com/papers/689a094be6551bb0af8cf3d1https://doi.org/10.21203/rs.3.rs-7218664/v1
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