Biological Agents/Diseases

U.S. Centers for Disease Control and Prevention - List of agents and diseases
  Anthrax, Botulism, Plague, Smallpox

Chemical Agents

U.S. Centers for Disease Control and Prevention - List of chemical agents
  Ricin, Sarin, Sulfur Mustard (Mustard Gas), VX

Radiation Emergencies

U.S. Centers for Disease Control and Prevention - Radiation Emergencies

Citizen Preparedness

FEMA - Are You Ready? A guide to Citizen Preparedness

Michigan.gov State Police - Family Preparedness Guide

Michigan.gov Citizen Corps - A Guide for Local Officials

Bioterrorism Information Resources

Michigan.gov Department of Community Health - Public Health Preparedness

Michigan.gov Department of Community Health - Guidelines for Handling Bioterrorism Scares or Threats in Letter or Packages

Michigan.gov Homeland Security

U.S. Food and Drug Administration - Counterterrorism