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February 6, 2026Open Access

Feasibility of Short-Term and Flow-Weighted Long-Term Measurements Using Equilibrium Passive Sampling

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Authors

OGOindrila GhoshLCLouis CheungNLNathalie Lombard

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Overview

Evaluates pollutant measurements in water using passive sampling, indicating a viable approach for flow conditions.

Key Points

  • This research aims to assess the feasibility of equilibrium passive sampling for short-term and long-term measurements of pollutants in water.
  • Mathematical modeling to analyze sampling techniques.
  • Laboratory-scale experiments under various flow conditions.
  • Field demonstrations in the Anacostia River.
  • Use of polyethylene and polydimethylsiloxane samplers for measuring polychlorinated biphenyls.
  • Short-term sampling of dissolved polychlorinated biphenyls is feasible with 24-hour exposure under high-flow conditions.
  • Optimized samplers effectively measured water concentrations during storm events without dilution.
  • Higher flow velocity decreased the diffusive boundary layer thickness, increasing the mass transfer rate for samplers.

Cite This Study

Ghosh et al. (2026) studied this question.

synapsesocial.com/papers/6985859b8f7c464f2300922bhttps://doi.org/10.13016/m2apoj-qr8r
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