title: Organochlorine pesticides in the surface waters of Northern Greece.
abstract: A survey undertaken in Northern Greece has shown that organochlorine pesticides are present in the surface waters. Surface water samples have been collected seasonally from four rivers and five lakes for a period of two years. Solid-phase extraction followed by gas chromatographic techniques with electron capture detection was used for the determination of the compounds. The most commonly encountered organochlorine pesticides in surface waters were the isomers of hexachlorocyclohexane, aldrin, dieldrin and endosulfan sulfate. In some cases the concentrations detected were higher than the qualitative target levels set by the European Union, especially for hexachlorocyclohexane and aldrin. The occurrence of these compounds in Greek surface waters can be attributed to intense agricultural activity as well as to transboundary pollution.
authors.affiliation: Water and Air Quality Laboratory, Department of Environmental Studies, University of the Aegean, Karadoni 17, Mytilene 81100, Greece. sgolf@env.aegean.gr
authors.forename: Spyros K
authors.initials: SK
authors.lastname: Golfinopoulos
authors.forename: Anastasia D
authors.initials: AD
authors.lastname: Nikolaou
authors.forename: Maria N
authors.initials: MN
authors.lastname: Kostopoulou
authors.forename: Nikos K
authors.initials: NK
authors.lastname: Xilourgidis
authors.forename: Maria C
authors.initials: MC
authors.lastname: Vagi
authors.forename: Dimitris T
authors.initials: DT
authors.lastname: Lekkas
mesh_terms: D000383:Agriculture; D002849:Chromatography, Gas; D003625:Data Collection; D004784:Environmental Monitoring; D006115:Greece; D006843:Hydrocarbons, Chlorinated; D007306:Insecticides / Q000032:analysis*; D012621:Seasons; D014872:Water Movements; D014874:Water Pollutants, Chemical / Q000032:analysis*
chemical_list: D006843:Hydrocarbons, Chlorinated; D007306:Insecticides; D014874:Water Pollutants, Chemical