Usher, B. H.Van Heerden, E.Van Wyk, A.2016-01-142016-01-142006-11http://hdl.handle.net/11660/2198Abstract not availableenThesis (Ph.D. (Geohydrology))--University of the Free State, 2006Groundwater -- Purification -- South AfricaGroundwater -- Pollution -- South AfricaBioremediationSoil permeabilityBioremediationBacterial transportAquifer characterisationTracer testsFractureHydraulic conductivityPorous mediaBiobarrierGroundwaterBiobarrier formation for hydraulic control in groundwater remediation in South AfricaThesisUniversity of the Free State