PA1: SOLUBILITY AND DISSOLUTION
PA3: COMPLEXATION WITH INORGANIC AND ORGANIC LIGANDS
PA4: REDOX REACTIONS AND RADIOLYSIS EFFECTS
PA5: SOLID-WATER INTERFACE REACTIONS
PA6: COLLOID FORMATION
PA7: EXPERIMENTAL METHODS
PA8: COMPUTATIONAL CHEMISTRY
PB1: SORPTION/DESORPTION PHENOMENA IN DYNAMIC SYSTEMS
PB2: DIFFUSION AND OTHER MIGRATION PROCESSES
PB3: COLLOID MIGRATION
PB4: EFFECTS OF BIOLOGICAL AND ORGANIC MATERIALS
PB5: FIELD AND LARGE-SCALE EXPERIMENTS
PC1: DATA SELECTION AND EVALUATION
PC2: COUPLING CHEMISTRY AND TRANSPORT
PC3: DEVELOPMENT AND APPLICATION OF MODELS
PC4: MODEL VALIDATION
PC5: SAFETY ASSESSMENT AND REPOSITORY CONCEPTS
PD: APPLICATION TO CASE STUDIES
PE1: UNITED STATES DEPARTMENT OF ENERGY ENVIRONMENTAL MANAGEMENT, LEGACY MANAGEMENT, AND NUCLEAR WASTE DISPOSITION PROGRAMS