Part 1 Field sampling techniques and sample preparation: sampling techniques for air pollutants, R. Niessner; sample handling strategies for the analysis of organic contaminants from environmental samples, M.C. Hennion and P. Scribe; extraction, clean-up and recoveries of persistent trace organic contaminants from sediment and biota samples, D.E. Wells. Part 2 Application areas: current developments in the analysis of polychlorinated biphenyls (PCBs) including planar and other toxic metabolites in environmental matrices, D.E. Wells; official methods of analysis of priority pesticides in water using gas chromatographic techniques, D. Barcelo; coupled-column reversed phase liquid chromatography as a versatile technique for the determination of polar pesticides, E.A. Hogendoorn and P. van Zoonen; liquid chromatographic determination of phenols and substituted derivatives in water samples, G. Marko-Varga; HPLC methods for the determination of mycotoxins and phycotoxins, J.F. Lawrence and P.M. Scott; determination of radionuclides in environmental samples, V. Valkovic. Part 3 Quality assurance and reference materials: quality assurance in environmental analysis, W.P. Cofino; certified reference materials for the quality control of measurements in environmental monitoring, E.A. Maier; standard reference materials for the determination of trace organic constituents in environmental samples, S.A. Wise. Part 4 Emerging techniques: application of fluorescence spectroscopic techniques in the determination of PAHs and PAH metabolites, F. Ariese et al; characterization of surfactants in water by desorption ionization methods, F. Ventura; utilization of various LC-MS interfacing systems in environmental analysis - application to polar pesticides, M.H. Lamoree et al; hyphenated techniques applied to the speciation of organometallic compounds in the environment, O.F.X. Donard and R. Ritsema; the potential of capillary electrophoresis in environmental analysis, M.W.F. Nielen.