Definition
:
A fume hood is a type of local exhaust
ventilation system engineering control.
A typical fume hood is cabinet with
a moveable front sash (window) made
out of safety glass. Air is drawn into
the hood under and through the opened
sash and is exhausted through openings
in the rear and top of the cabinet to
a remote point such as an exhaust stack
on the roof of the building.
A
properly used and properly functioning
fume hood exhausts hazardous gases,
dusts, mists, and vapours from a confined
location and helps protect workers
from inhalation exposure
Fume
hoods are a much more efficient and
effective method of containing hazardous
materials than a piece of personal
protective equipment such as a respirator.
A fume hood can be used/installed
instead of respirator. Remember, fume
hoods protect everyone, but a respirator
protects only the user. |
