FEMA's Technological Hazards Division (THD) builds the emergency preparedness and response capabilities of communities surrounding nuclear power plants and U.S. Army chemical stockpile sites to help them plan for and respond to any incident.

Key programs include the Radiological Emergency Preparedness Program (REPP) and the Chemical Stockpile Emergency Preparedness Program (CSEPP). This site provides access to the following tools to support radiological and chemical stockpile emergency preparedness, select a button below to start exploring: