model development , phreeqc , Sensitivity assessment, Geochemist’s Workbench, Waste rock and tailing geochemistry, Validation, Hydrogeochemical interpretation, Technical Writing, Geochemical risk assessment, Geochemical assessment, Calibration, Mine water quality prediction, Water quality modelling, FEFLOW, Data interpretation, Static and kinetic geochemical characterization, MIN3P, Quality Control, Gold Sim, modflow, Environmental approvals support