Affiliation: | (1) NAMAS, National Physics Laboratory, Teddington, UK;(2) Institute for Environmental Studies, Free University, De Boelelaan 1115, NL-1081 HV Amsterdam, The Netherlands;(3) Laboratory of Analytical Chemistry, University of Gent, B-9000 Gent, Belgium;(4) Risø National Laboratory, Roskilde, Danmark;(5) Center for Food Safety and Applied Nutrition, Food and Drag Administration, Washington, USA;(6) WRc Medmenham Laboratory, Marlow, Bucks, UK;(7) Department of Health, Medicines Control Agency, London, UK;(8) Center for Analytical Chemistry, National Institute of Standards and Technology, Gaithersburg, USA;(9) Environment Institute, Joint Research Centre Ispra, Commission of the European Communities, USSR;(10) Netherlands Energy Research Foundation, Petten, The Netherlands;(11) Gesellschaft für Strahlen- und Umweltforschung mbH, Institut für Ökologische Chemie, D-W-8042 Neuherberg, Germany;(12) Irish Laboratory Accreditation Board, Dublin, Ireland;(13) The Scottish Office Agriculture and Fisheries Department, Marine Laboratory, Aberdeen, UK |