Fumigation is
a method of pest control that completely fills an area with gaseous pesticides—or fumigants—to
suffocate or poison the pests within. It is used to control pests in buildings
(structural fumigation), soil, grain, and produce, and is also used during
processing of goods to be imported or exported to prevent transfer of exotic organisms. This method also affects the structure itself, affecting
pests that inhabit the physical structure, such as woodborers and
drywood termites.
Fumigation generally involves the following
phases: First, the area intended for fumigation is covered to create a sealed
environment. Next, the fumigant is released into the space to be fumigated. The
space is held for a set period while the fumigant gas percolates through the
space and acts on/kills any infestation in
the area. Finally, the space is ventilated so that the poisonous gases are allowed to escape from the space,
rendering it safe for humans to enter. If successful, the fumigated area is now
safe and pest free.
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