Kocaeli University, Turkey Department of Geological Engineering Associate Professor of Contaminant Hydrogeology Title: "Surfactant-enhanced Permanganate Oxidation on Mass-flux Reduction and Mass Removal (MFR-MR) Relationship for Pool-dominated TCE Source Zones in Heterogeneous Porous Media" Abstract: Chlorinated solvents generally enter the subsurface as dense-non aqueous phase liquids (DNAPL) and accumulation mostly occurs in aquifers as pool-dominated zones