L LAGOON G Umlauf a JM Zaldívar b G Messiaen c T Laugier c

l or aquatic ecosystems. In addition, physico-chemical properties of POPs may favour long important to determine the airshed POPs concentration in order to evaluate the potential a p p one of the largest Mediterranean lagoons where an intensive shell farming activity (oysters one of the largest Mediterranean lagoons where an intensive shell farming activity (oysters oysters yearly This ecosystem seems to be under intense anthropogenic pressure (urban i oysters yearly. This ecosystem seems to be under intense anthropogenic pressure (urban, i of the atmosphere in the accumulation of some POPs families in the lagoon were found in p g The overall objective of this work was to gather in-depth knowledge on the ambient le The overall objective of this work was to gather in depth knowledge on the ambient le polychlorinated biphenyls (PCBs) and polybrominated diphenylethers (PBDE) in this lagoo polychlorinated biphenyls (PCBs), and polybrominated diphenylethers (PBDE) in this lagoo h PCB il d b th id t i lt i l tf processes, whereas PCBs were mainly used by the power industry in electrical transformer of brominated flame retardants and, unlike PCBs, are still being used as additives in c of brominated flame retardants and, unlike PCBs, are still being used as additives in c regulations These chemicals are highly toxic and able of producing a wide spectrum of adve regulations. These chemicals are highly toxic and able of producing a wide spectrum of adve