Endosulfan and γ-HCH in the Arctic: An Assessment of Surface

Surface seawater data were obtained from discrete sampling campaigns conducted during ..... a selection of OC pesticides and derived a best estimate o...
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Environ. Sci. Technol. 2006, 40, 7570-7576

Endosulfan and γ-HCH in the Arctic: An Assessment of Surface Seawater Concentrations and Air-Sea Exchange J A N W E B E R , † C R I S P I N J . H A L S A L L , * ,† DEREK C. G. MUIR,‡ CAMILLA TEIXEIRA,‡ DEBORAH A. BURNISTON,‡ WILLIAM M. J. STRACHAN,‡ H A Y L E Y H U N G , § N E I L M A C K A Y , |,# DAVID ARNOLD,| AND HENRIK KYLIN⊥ Lancaster Environment Centre, Department of Environmental Science, Lancaster University, Lancaster LA1 4YQ, UK, National Water Research Institute, Environment Canada, 867 Lakeshore Road, P.O. Box 5050, Burlington, Ontario, Canada L7R 4A6, Science and Technology Branch, Environment Canada, 4905 Dufferin Street, Downsview, Ontario, Canada M3H 5T4, Cambridge Environmental Assessments, Battlegate Road, Boxworth, Cambridge, B3 8NN, UK, and Department of Environmental Assessment, Swedish University of Agricultural Sciences, PO Box 7050, SE-705 07 Uppsala, Sweden

Arctic seawater concentrations of two currently used pesticides, endosulfan and γ-HCH, were collated from a variety of cruises undertaken throughout the 1990s up to 2000 for different regions of the Arctic Ocean. Surface seawater concentrations for R- and β-endosulfan ranged from