Description:Content: Transport and remediation of subsurface contaminants : introduction / Robert C. Knox and David A. Sabatini -- Colloid deposition in porous media and an evaluation of bed-media cleaning techniques / T.M. Olson and G.M. Litton -- Deposition of colloids in porous media : theory and numerical solution / Menachem Elimelech and Lianfa Song -- Surface-charge repulsive effects on the mobility of inorganic colloids in subsurface systems / Robert W. Puls and Robert M. Powell -- Colloid transport and the gas-water interface in porous media / Jiamin Wan and John L. Wilson -- Colloid remediation in groundwater by polyelectrolyte capture / H.E. Nuttall, Jr., S. Rao, R. Jain, R. Long, and Ines R. Triay -- Removal of chromate from aqueous streams by ultrafiltration and precipitation / Edwin E. Tucker, Sherril D. Christian, John F. Scamehorn, Hirotaka Uchiyama, and Wen Guo -- Potential for bacterial remediation of waste sites containing selenium or lead / L.L. Barton, F.A. Fekete, E.V. Marietta, H.E. Nuttall, Jr., and R. Jain -- Heap leaching as a solvent-extraction technique for remediation of metals-contaminated soils / A.T. Hanson, Z. Samani, B. Dwyer, and R. Jacquez -- Factors affecting surfactant performance in groundwater remediation applications / Jeffrey H. Harwell -- Influence of surfactant sorption on capillary pressure-saturation relationships / F.N. Desai, A.H. Demond, and K.F. Hayes -- Surfactant-enhanced solubilization of tetrachloroethylene and degradation products in pump and treat remediation / Candida Cook West -- Solubilization and biodegradation of hydrophobic organic compounds in soil-aqueous systems with nonionic surfactants / David A. Edwards, Shonali Laha, Zhongbao Liu, and Richard G. Luthy -- Sorption of hydrophobic organic compounds and nonionic surfactants with subsurface materials / Candace Palmer, David A. Sabatini, and Jeffrey H. Harwell -- Field tests of surfactant flooding : mobility control of dense nonaqueous-phase liquids / J.C. Fountain -- Landfill leachate effects on transport of organic substances in aquifer materials / F.M. Pfeffer and C.G. Enfield -- Clay and immiscible organic liquids : greater capillary trapping of the organic phase / Robert E. Mace and John L. Wilson -- Exposure assessment modeling for hydrocarbon spills into the subsurface : sensitivity to soil properties / James W. Weaver, Bob K. Lien, and Randall J. Charbeneau -- Transport and remediation of subsurface contaminants : review and future directions / David A. Sabatini and Robert C. Knox.