Direct evidence for destruction of polychlorobiphenyls by OH radicals in the subtropical troposphere.

@article{Mandalakis2003DirectEF,
  title={Direct evidence for destruction of polychlorobiphenyls by OH radicals in the subtropical troposphere.},
  author={Manolis Mandalakis and Harald Berresheim and Euripides G. Stephanou},
  journal={Environmental science & technology},
  year={2003},
  volume={37 3},
  pages={542-7}
}
Although laboratory studies have indicated that OH radicals readily oxidize polychorobiphenyls (PCBs) in the gas-phase, this mechanism has never been positively demonstrated under real atmospheric conditions. By applying elaborated sampling and analytical techniques we achieved for the first time simultaneously a field study of the diurnal atmospheric cycle of OH radical and PCBs in a remote site of eastern Mediterranean. In all cases, the concentration of sigmaPCB (sum of 27 congeners) showed… CONTINUE READING

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