1. Department of Homeland Security. National Response Plan (p. 20). Available from: http://www.dhs.gov/interweb/assetlibrary/NRP_FullText.pdf. Accessed on January 21, 2005.
2. Department of Homeland Security. Press release announcing National Response Plan. Available from: http://www.dhs.gov/dhspublic/interapp/press_release/press_release_0583.xml. Accessed on January 21, 2005.
3. Department of Homeland Security, Federal Emergency Management Agency. National Incident Management System. Available from: http://www.fema.gov/nims/index.shtm. Accessed on January 22, 2005.
4. Federal Emergency Management Agency. Robert T. Stafford Disaster Relief and Emergency Assistance Act. Available from: http://www.fema.gov/library/stafact.shtm. Accessed on January 20, 2005.
5. Bioterrorism: federal research and preparedness activities;Government Accounting Office,2001