Modeling -- Contaminant Transport Modeling -- Analytical Solutions to 1-D Equations -- Analytical Solutions to 3-D Equations -- Method of Moments -- Application of Analytical Models to Gain Insight into Transport Behavior -- Solution to One-Dimensional ADR Equation with First-Order Degradation Kinetics Using Laplace Transforms -- Solution to One-Dimensional ADR Equation with Zeroth-Order Degradation Kinetics Using Laplace Transforms -- Solutions to the One-Dimensional ADR in Literature -- User Instructions for AnaModelTool Software -- Useful Laplace Transforms -- Solution to Three-Dimensional ADR Equation with First-Order Degradation Kinetics for an Instantaneous Point Source Using Laplace and Fourier Transforms -- Solution to Three-Dimensional ADR Equation with Zeroth-Order Degradation Kinetics for an Instantaneous Point Source Using Laplace and Fourier Transforms -- Solutions to the Three-Dimensional ADR in Literature -- Derivation of the Long-Time First-Order Rate Constant to Model Decrease in Concentrations at a Monitoring Well Due to Advection, Dispersion, Equilibrium Sorption, and First-Order Degradation (Three-Dimensional Infinite System with an Instantaneous Point Source) -- Application of Aris' Method of Moments to Calculate Temporal Moments -- Application of Modified Aris' Method of Moments to Calculate Spatial Moments Assuming Equilibrium Sorption -- Application of Modified Aris' Method of Moments to Calculate Spatial Moments Assuming Rate-Limited Sorption -- Derivation of Laplace Domain Solutions to a Model Describing Radial Advective/Dispersive/Sorptive Transport to an Extraction Well -- AnaModelTool Governing Equations, Initial and Boundary Conditions, and Source Code.