S-10 Development of technology for safely decontaminating and decomposing chemical and biological agents   S10-1. Decontamination of chemical and biological agents   S10-2. Decomposition and removal of environmental pollutants   S10-3. Decomposition of chemical agents by photocatalysis   S10-4. Chemical treatment and decomposition technique of the chemical warfare agents containing arsenicals   S10-5. Highly sensitive detection and decontaminating technology for biological toxins