Study of plant-air transfer of PCBs from an evergreen shrub: implications for mechanisms and modeling.

@article{Barber2003StudyOP,
  title={Study of plant-air transfer of PCBs from an evergreen shrub: implications for mechanisms and modeling.},
  author={Jonathan L Barber and Gareth Owen Thomas and Gerhard Kerstiens and Kevin C Jones},
  journal={Environmental science & technology},
  year={2003},
  volume={37 17},
  pages={3838-44}
}
The depuration of gas-phase polychlorinated biphenyls (PCBs) from a slow-growing evergreen shrub, Skimmia japonica Thunb., was studied to investigate the reversibility of uptake and the compartmentalization of PCB congeners within leaves with respect to air-plant exchange processes. Depuration of PCBs was monitored over periods of hours, days, and weeks. Equilibrium had not been attained between air and leaves during the uptake phase after many weeks. Depuration followed two-phase clearance… CONTINUE READING

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