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, hazardous material
any substance or material in a form that poses an
unreasonable risk to health, safety, and property when
transported in commerce or kept in storage at a warehouse,
port, depot, or railroad facility.
hot zone
area immediately surrounding a hazmat incident; extends far
enough to prevent adverse effects outside the zone.
warm zone
area where personnel and equipment decontamination and
hot zone support take place; it includes control points for
the access corridor and, thus, assists in reducing the
spread of
contamination.