Secure Buildings: Pre-Event – Immediate Advice: Secure HVAC Rooms
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Last Updated
April 27, 2005

Pre-Event – Immediate Advice

Secure mechanical (HVAC) room doors to prevent unauthorized access

A terrorist with access to a building's HVAC (heating, ventilation, and air conditioning) equipment can quickly contaminate the entire building, or at least the entire ventilation zone, with a chemical or biological agent. The rooms that contain HVAC equipment should be locked, and keyed so that they can be opened only by staff who need access.

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