The primary target audiences for this course are the First Responders (fire, rescue, emergency medical, police, etc.) who will witness or discover a hazardous substance/materials release. Students will be trained to initiate an emergency response sequence by notifying the proper authorities of the release. They shall have sufficient training or have had sufficient experience to objectively demonstrate competency to understand what hazardous substances are, the risks, potential outcomes, the ability to recognize and identify their presence, their role including site security, safe scene management and how to use the U.S. Department of Transportation (US DOT) Emergency Response Guidebook during a hazardous materials/WMD emergency.