Preface.- Part I. Mechanisms of degradation of cementitious materials in aggressive aqueous environments: General introduction to Part I, by A. Bertron.- Sulfate attack of concrete, by E. Menéndez, T. Matschei, and F.P. Glasser.- Magnesium attack of cementitious materials in marine environments, by M. Santhanam.- Leaching of cementitious materials by pure water and strong acids (HCl and HNO₃), by J. Duchesne and A. Bertron.- Ammonium nitrate attack on cementitious materials, by G. Escadeillas.- Attack of cementitious materials by organic acids in agricultural and agrofood effluents, by A. Bertron and J. Duchesne.- Part II. Modeling degradation of cementitious materials in aggressive aqueous environments: Modeling degradation of cementitious materials in aggressive aqueous environments, by E. Guillon, P. Le Bescop, B. Lothenbach, E. Samson, and K. Snyder.- Part III. Methods for testing concrete degradation in aggressive aqueous environments: General considerations, by N. De Belie.- Tests for leaching and degradation in soft or carbonated waters, by M. Castellote.- Test methods for resistance of concrete to sulfate attack - a critical review, by K. Van Tittelboom, N. De Belie, and R.D. Hooton.- Testing for degradation by inorganic acids, by M.G. Alexander and N. De Belie.- Bacteriogenic sulfuric acid attack of cementitious materials in sewage systems, by K.L. Scrivener and N. De Belie.- Test methods for chloride transport in concrete, by Q. Yuan and M. Santhanam.- Test methods for magnesium attack, by M. Santhanam.- Methods for testing cementitious materials exposed to organic acids, by A. Bertron.- Part IV. Cementitious materials performance in aggressive aqueous environments - engineering perspectives: Cementitious materials performance in aggressive aqueous environments - engineering perspectives, by A. Chatterjee and A. Goyns.- Author Index.