Technological Hazards Division (THD) coordinates the national effort to enhance the emergency preparedness and response capabilities of communities surrounding commercial nuclear power plants and U.S. Army chemical weapons stockpile sites. Key programs include the Radiological Emergency Preparedness Program (REPP) and the Chemical Stockpile Emergency Preparedness Program (CSEPP). This site provides collaboration platforms, exercise management, and document libraries for these programs. FEMA regional sites are available by clicking the buttons below.