From the Executive Summary: "On September 17, 2003, a biennial Radiological Emergency Preparedness (REP) exercise was conducted in the plume exposure pathway emergency planning zone (EPZ) around the Grand Gulf Nuclear Station (GGNS). The Louisiana portion of the Grand Gulf exercise was evaluated by Region VI of the Federal Emergency Management Agency (FEMA). The purpose was to assess the level of preparedness of the state and local responders to react to a simulated radiological emergency at GGNS. It was held in accordance with FEMA's policies and guidance concerning the implementation of state and local radiological emergency preparedness plans and procedures. [...] This report contains the final written assessment of the Louisiana portion of the biennial exercise including the identification of any exercise issues and recommendations for corrective action where appropriate. All Louisiana State and local organizations, except where noted in this report, demonstrated an adequate knowledge of the emergency plans and procedures and properly implemented them. There was one Deficiency and one Area Requiring Corrective Action (ARCA) identified during this exercise."
U.S. Nuclear Regulatory Commission: https://www.nrc.gov/
Grand Gulf Nuclear Station. Tensas Parish and Madison Parish, LA. September 17, 2003