Homeland Security Advisory System 7 : A national system that employs a five color system (from "Green-Low risk of terrorist attacks" to "Red-Severe risk of terrorist attacks") to describe the national threat level
Matanuska-Susitna Borough MSB Emergency Operations Plan, Appendix C: Glossary (Defines terminology used in this EOP based on definitions used by the Alaska Department of Homeland Security and Emergency Management and the U.S. Department of Homeland Security), Matanuska-Susitna Borough, Palmer, Alaska, USA 2008-2011. http://www.matsugov.us/docman/doc_download/1329-ms b-emergency-operations-plan and file:///C:/Users/user/Downloads/eop.pdf., (Emr Mgt/ ND and Other Dzstr - Amer) {967}