In situ geochemical stabilization (ISGS) entails the use of modified sodium permanganate (NaMnO4) designed for in situ management of non-aqueous phase liquids (NAPL). When added to an impacted aquifer, the ISGS reagents react with organic (and certain inorganic) constituents of interest (COI) present as soil residuals (e.g., NAPL or ganglia). Various reactions associated with ISGS processes serve to physically encrust NAPL and rapidly reduce aquifer permeability, thereby stabilizing NAPL residuals and accelerating remediation by natural attenuation of dissolved phase COI / plume constituents via source stabilization and flux reduction.
Overview of contaminants treated
