Halon

{
  "id": "MLC-T-ENV-012811",
  "term": "Halon",
  "field": "Environment",
  "definition": "1. Bromine-containing compounds with long atmospheric lifetimes whose breakdown in the stratosphere causes depletion of ozone. Halons are used in firefighting.\n\n2. Halogenated hydrocarbon (e.g., carbon tetrachloride)\n\n3. A compound consisting of bromine, fluorine, and carbon. Halons are used as fire extinguishing agents, both in built-in systems and in handheld portable fire extinguishers. Halon production in the U.S. ended on December 31, 1993, because they contribute to ozone depletion.\n\n4. Any of the Class I, Group II substances listed in subpart A, appendix A of 40 CFR part 82. This group consists of the three halogenated hydrocarbons known as Halon 1211, Halon 1301, and Halon 2402, and all isomers of these chemicals.\n\n5. Compound consisting of bromine, fluorine, and carbon. Halons are used as fire extinguishing agents, both in built-in systems and in handheld portable fire extinguishers. Halon production in the U.S. ended on December 31, 1993, because they contribute to ozone depletion.",
  "subject": "Chemicals, toxics and pesticides",
  "references": [
    "Terms of Env; Terms of Environment",
    "Chemical Emergency Preparedness and Prevention Glossary",
    "Ozone Layer Protection Glossary",
    "40 CFR 82.260 (CFR 2013)"
  ],
  "url": "https://mlchart.com/terminology/environment/halon/"
}