CBRN Safety 105
CBRN Safety 105 : Chapter II - Domestic CBRN CM (5) Unique Planning Considerations in the Domestic Operational Environment: (E) Control Zones: (3) Cold Zone: The cold zone is the area where the command post and support functions that are necessary to control the incident are located. It should be clean, meaning it is free of all contamination by HAZMAT, including discarded protective clothing and respiratory equipment. Contaminated casualties and emergency response personnel must be decontaminated before entering this zone. The cold zone is the area where the incident command post, staging areas for equipment, and other support functions that are necessary to control the incident are located upwind and uphill of the warm zone. The same basic considerations that are used for the hot and warm zones influence the extent of the cold zone. The cold zone must be readily accessible and provide the means for safety and rest. It must also be large enough to accommodate local, state, and federal CBRN response forces (if required) and to serve as the staging area for personnel and equipment. The operational priorities of the cold zone include providing C2 for operations being conducted in the warm and hot zones and ensuring that there is an area of security for emergency personnel and response forces conducting operations. Access to the different zones should be tightly controlled and limited to as few people as possible. Communication between work areas should be face-to-face whenever possible, particularly if the use of radios or other electronic devices (e.g., megaphones) is restricted because of the hazards involved
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