Cold Zone 03
Cold Zone 03 : "Area where the command post and support functions that are necessary to control the incident are located. This is also referred to as the clean zone, green zone or support zone in other documents. (EPA Standard Operating Safety Guidelines, OSHA 29 CFR 1910.120, NFPA 472)". (DOT, Emergency Response Guidebook?Hazardous Materials Incident, 2004, p. 358)