exhaust ventilation system
Selection and Use of Engineering Controls
Engineering controls include enclosures, shields, local exhaust
ventilation systems and laboratory fume hoods. Except for substitution,
these provide the most effective means of control because they
enclose the hazard or separate it from the employee.
Local exhaust ventilation and laboratory fume hoods are used to
remove airborne contaminants from an employee's breathing zone.
Self-contained (ductless) hoods that recirculate air back into
the work space are not an acceptable means to control airborne
chemicals. LBNL policy on selecting, installing, using and testing
ventilation systems is provided in PUB 3000 Chapter 4, Industrial
Hygiene. Ventilation systems for toxic/pyrophoric gases are discussed
in PUB 3000, Chapter 13, Gases .
 Please Contact Us to discuss your exhaust ventilation system
needs. You design it, we build it.
exhaust
ventilation system
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