PA1: SOLUBILITY AND DISSOLUTION
PA2: SOLID SOLUTION AND SECONDARY PHASE FORMATION
PA3: COMPLEXATION WITH INORGANIC AND ORGANIC LIGANDS
PA4: REDOX REACTIONS AND RADIOLYSIS EFFECTS
PA5: SOLID-WATER INTERFACE REACTIONS
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
PB6: NATURAL ANALOGUES
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
PE2: THE INTERSECTION OF NUCLEAR SECURITY AND RADIONUCLIDE MIGRATION IN NATURAL AND/OR ENGINEERED SYSTEMS