The presence of a chemical warfare agent on a person, object, or area. The contamination density of an agent is usually expressed in either milligrams or grams per square meter or in pounds per hectare. A hectare is 10,000 square meters
GulfLINK (Office of the Special Assistant for Gulf Ware Illnesses), Chemical and Biological Defense Command Acronyms, Abbreviations, and Glossary, Deputy Assistant Secretary of Defense, Force Health Protection & Readiness Policy & Programs, Defense Health Headquarters (DHHQ), Falls Church, VA, USA 2015. http://www.gulflink.osd.mil/fox_alerts_ii/fa_ii_ta ba.htm, (Chem and Biol Def Command - Amer) {872}