Decontamination using nanotechnology / Manoj K. Ram -- Preparation and application of inner-skin hollow fiber nanoporous membrane / Guojun Zhang -- Photocatalytic inactivation: air-water / Hanming Ding -- Application of a nano TiO2 catalyst in wastewater treatment / Zhemin Shen -- Photoelectrocatalytic degradation of organic contaminants in nanosemiconductor film electrodes under visible light irradiation / Hongjie Wang -- Disinfection by nanoparticles / Christian O. Dimkpa -- Water disinfection and wastewater decontamination by solar photocatalysis using nanomaterials / S. Malato -- The role of nanotechnology for decontamination of chemical warfare agents / G.K. Prasad -- Nanostructured bioassemblies for environmental bioremediation / Silvana Andreescu -- Reactive nanoparticles for the treatment of chlorinated dense nonaqueous phase liquids in soil and groundwater / Tanapon Phenrat -- Persistent pesticides: detection and control using nanotechnology / Sunandan Baruah -- Nanomaterials as a means of decontamination of chemical and biological warfare agents and related toxins / Liyana Wajira Ariyadasa -- Removal of dense nonaqueous phase liquids from groundwater using nanotechnology / Jeffrey L. Ullman -- Summary