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Chapter 5: Using Your Filtered Enclosure and Appropriate Application
be ducted to the outside. The surface of the HEPA filter is fragile
and should not be touched. Care must be taken to avoid
puncturing the HEPA filter during installation. If you suspect that
a HEPA filter has been damaged, DO NOT use the enclosure. See
Chapter 6 for Replacing the HEPA Filter.
• The HEPA filter will gradually accumulate airborne
particulate matter from the room and from work performed in
the enclosure. The rate of accumulation will depend upon the
cleanliness of the room air, the amount of time the enclosure is
operating, and the nature of work being done. With normal
usage, the HEPA filters will last two to five years before
requiring replacement.
• Each filtered enclosure is provided with a HEPA filter. For
biohazardous materials, follow the Decontamination
Procedure in Chapter 6 for disposal instructions.
Odor Control Carbon Filter
Applications (sold as an
accessory)
• Release of low concentrations of vapors effectively adsorbed
or treated in carbon based filters.
• Treatment of low-level carcinogens or suspected carcinogens.
(See Chemical Carcinogens in Chapter 5)
• Procedures that may have traditionally been done on the open
bench (low levels only).
• Odoriferous chemicals that are an unpleasant nuisance.
Other applications, not fitting the above guidelines, would be
better suited with the exhaust ducted to the outside. The exhaust
connection kit (See Chapter 3 and Chapter 7) can be added to the
filtered enclosures for ducting to the outside. Labconco also
manufactures fume hoods and Class II Biological Safety Cabinets
for exhausting to the outside. Consult Labconco product specialist
for additional information.
REFERENCES TO NIOSH OR OSHA
GUIDELINES AND REGULATIONS APPLY TO
ANY WORK PLACE UNDER THE
JURISDICTION OF THE U.S. DEPARTMENT
OF LABOR. OTHER COUNTRIES OUTSIDE
THE U.S. HAVE ESTABLISHED STANDARDS,
WHICH MAY DIFFER SLIGHTLY FROM
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