False, In-place sheltering can be an appropriate option in an accident involving hazardous materials.
In-place sheltering, as a response strategy in hazardous materials incidents, is an important aspect of the Incident Command System (ICS). The ICS is a standardized approach to the command, control, and coordination of emergency response, which includes making decisions about whether to evacuate or shelter in place. For example, during a chemical spill where toxic fumes could pose a greater risk if inhaled outdoors, the ICS would likely recommend in-place sheltering. This decision would be based on various factors such as the type of chemical, the extent of the spill, weather conditions, and the time required for evacuation.
From the perspective of emergency responders and hazardous materials specialists, in-place sheltering is a nuanced decision that depends on specific incident characteristics. These professionals consider factors like the toxicity of the material, the area affected, and the ability to effectively seal buildings to prevent the ingress of hazardous substances.
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