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Service Line Requirements
All utility service lines should be ¼ inch O.D., brass, copper, or stainless steel,
and equipped with an easily accessible shut-off valve. If the service line pressure
exceeds 40 PSI, it must be equipped with a pressure regulator to reduce the line
pressure.
Note: The use of flammable gases or solvents should be avoided in the
biosafety cabinet. Open flame in the cabinet will disrupt the laminar airflow in the
cabinet and may damage the HEPA filters. Flammable gases or solvents may
reach explosive concentrations in the cabinet or ductwork. If you feel that the
procedure requires the use of an open flame or flammable materials, contact the
institution’s safety office.
The use of air or gases under high pressure should be avoided as they may
seriously disrupt the airflow patterns in the cabinet.
