Preface. Part I: Critical Behavior, Phase Equilibria, Thermodynamics. Critical behavior of fluids: Concepts and applications; J.M.H. Levelt Sengers. The classical theory of critical points; R.A. Heidemann. Understanding phase diagrams; Th.W. de Loos. Physico-chemical properties and phase equilibria of pure fluids and fluid mixtures at high mixtures; G.M. Schneider. Multiphase equilibria in near-critical solvents; C.J. Peters. Equations of state for phase equilibrium computations; S.I. Sandler. Mixing rules for the estimation of vapor-liquid equilibrium of highly non-ideal mixtures using cubic equations of state; H. Orbey. Part II: Fluctuations, Crossover Effects, Transport Properties. Thermodynamics and fluctuation solution theory with some applications to systems at near or supercritical conditions; J.P. O'Connell. Effects of critical fluctuations on the thermodynamic and transport properties of supercritical fluids; J.V. Sengers. On correlating the transport properties of supercritical fluids; V. Vesovic. Part III: Integral Equations Approach. Introduction to integral equation approximations with application to near-critical and supercritical fluids; P.T. Cummings. On the non-solution region of the hypernetted chain and related equations for ionic and simple fluids; E. Lomba. Critical behavior in modern liquid state theories; A. Meroni. Integral equations for the microstructures of supercritical fluids; L.L. Lee, H.D. Cochran. Part IV: Computer Simulations. Molecular simulation of near-critical and supercritical fluids; P.T. Cummings. Molecular simulation of phase equilibria; A.Z. Panagiotopoulos. Solute--solute interactions: Theory and simulations; P.G. Debenedetti. Part V: Chemistry, Reactions Spectroscopy. Reactions in supercritical fluids; A.A. Clifford. Kinetics and selectivity of chemical processes in fluid phases; M. Buback. Absorption spectroscopy in fluid phases; M. Buback. Spectroscopy and chemistry in supercritical fluids; S.M. Hosdle, M. Poliakoff. Part VI: Polymers. Polymer formation, modifications and processing in or with supercritical fluids; E. Kiran. Optimizing properties of polymer systems; L.A. Kleintjens. Copolymer solution behavior in supercritical fluids; M.A. McHugh. Density-tuned phase behavior of polyolefin solutions in supercritical olefins: Toward macromolecular separations; M. Radosz. Part VII: Applications: Chromatography, Particle Formation, Extractions. Current challenges in thermodynamics of supercritical fluid chromatography; M. Roth. Effect of phase behavior on supercritical fluid chromatographic and extraction performance; S.H. Page, J.F. Morrison, M.L. Lee. Scale-up of supercritical fluid chromatography (SFC); G.H. Brunner, D. Upmoor. Fundamentals of solids extraction by supercritical fluids; A. Akgerman, G. Madras. Extraction and destruction of waste with supercritical water; G.H. Brunner. Predicting oxide solubilities in supercritical water; J.I. Brand. Supercritical fluids as particle formation media; P.G. Debenedetti. Interfacial tension in binary systems containing a dense gas; S. Peter, A. Blaha-Schnabel, H. Schiemann, E. Weidner. Applications of fluid mixtures and supercritical solvents: a survey; G.M. Schneider. Part VIII: Discussion Sessions and Tutorials. Future directions -- a summary of the final discussions. Theory.