Preface. Environmental Analytical Chemistry in Marine Science; E. Pelizzetti. The Effect of Ionic Interactions on Thermodynamic and Kinetic Processes in Natural Waters; F.J. Millero. Light and Chemically Driven Reactions and Equilibria in the Presence of Organic and Inorganic Colloids; C. Minero. Chemical Speciation of Some Classes of Low Molecular Weight Ligands in Seawater; A. De Robertis, et al. Computer Tools for the Speciation of Natural Fluids; C. De Stefano, et al. Metal Ions and Organometallic Compounds in Sea Water and in Sediments: Biogeochemical Cycles; P.J. Craig, D. Miller. Nutrients in the Sea; M. Ribera d'Alcalá, et al. Sampling Techniques for Sea Water and Sediments; G. Capodaglio. Trace and Ultratrace Metal Analysis: Matrix Removal and Sample Preconcentration; C. Sarzanini. Hyphenated Instrumental Methods for the Detection of Heavy Metals in Marine Environment; R. Frache. Analysis and Speciation of Organometallic Compounds in the Marine Environment - General Considerations; P.J. Craig, D. Miller. Chromatographic Analysis of Organic Micropollutants in Marine Environments; R. Fuoco, M.P. Colombini. Application of Mass Spectrometric Techniques to the Detection of Natural and Anthropogenic Substances in the Sea; M. Vincenti. Techniques of Extraction and Analytical Methods for Humic Substances in Sea Water and Sediments; B.M. Petronio. Certified Reference Materials for Chemical Analysis in Marine Ecosystems; R. Morabito, P. Quevauviller. Distribution Models of Pollutants in the Marine Environment; R. Cecchi, G. Ghermandi. Sewage and Nutrients in the Marine Environment: Stimulants for Good or Vectors for Harm? M.R. Preston. The Interface Air-Water: Oil Spills and Tropospheric Chemistry. Techniques and Remediation; E.Bolzacchini,et al. Interactions of Marine Biogeochemical Cycles and the Photodegradation of Dissolved Organic Carbon and Dissolved Organic Nitrogen; R.G. Zepp. Effects of Light on the Biological Availability of Trace Metals; B. Sulzberger. The Influence of Iron on Carbon Dioxide in Surface Seawater; F.J. Millero. Subject Index.