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By Mark van der Feyst
In both vehicle-extrication and hazardous-materials situations, setting up different work zones are important. These zones help maintain and isolate the initial problem.
There are three common zones that we have all been taught: hot zone, warm zone and cold zone. The cold zone is the last zone between the situation and the general public.
Established a fourth zone called the isolation zone. This zone acts as a buffer zone between the situation and the general public. It also allows for scene expansion and for running room for those “just in case” moments.