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Chapter 4: High Performance Features and Safet
y
20. Ensure that the filtered enclosure is connected to an
electrical service in accordance with local and national
electrical codes. Failure to do so may create a fire or
electrical hazard. Do not remove or service any electrical
components without first disconnecting the filtered
enclosure from electrical service.
21. Use of an open flame must be avoided with the enclosure.
Open flames may disrupt the airflow patterns in the
enclosure and cause a fire hazard with volatile solvents.
22. Increase the face velocity by adjusting the speed control of
the motorized impeller on the XPert Filtered Balance
System or change the HEPA filter when the face velocity
falls below acceptable limits established by your Safety
Officer.
23. Exhaust carbon filters and HEPA filters are disposed as
hazardous waste. The user is responsible for recording the
chemicals adsorbed or treated by the filters and disposing
properly. HEPA filters should be disposed using the
disposal bag on XPert enclosures.
24. Ensure only trained operators use the enclosure. New users
should review the User’s Manual and become familiar with
the operation of the enclosure.
25. If the filtered enclosure is to be used in a confined space,
make sure the space is well ventilated and the concentration
of toxic contaminants cannot accumulate greater than the
TWA.
26. Proper operation of the enclosure depends largely upon the
enclosure location and the operator’s work habits. The
enclosure should be located away from traffic patterns,
doors, fans, ventilation registers, fume hoods, and any other
air-handling device that could disrupt its airflow patterns.
Consult Chapter 2: Prerequisites and Chapter 3: Getting
Started sections of this manual for further details.
27. Only powders and particulates removed by HEPA filters
and trace chemicals, which can be safely adsorbed and
treated with specific carbon based filters are appropriate for
use in this enclosure.
28. The warning properties (i.e., odor, taste) of the volatile
organic compounds or other material being used in the
enclosure must be adequate to provide an early indication
that the carbon filter may be saturated or inadequate.
Contact Labconco for help with chemical assessment.