Suitable applications – Labconco XPert Filtered Balance Stations 3962622 User Manual
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Chapter 5: Using Your Filtered Enclosure
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Loading Materials and Equipment
Load only the materials required for the procedure. Do not overload the
enclosure.
Do not obstruct the air foil, or rear baffle slots.
Large objects should not be placed close together and should be elevated
above the work surface to permit airflow to sweep under the equipment.
After loading, wait one minute to purge airborne contaminants from the
work area.
Work Techniques
Keep all materials inside the lower air foil, and perform all contaminated
operations as far to the rear of the work area as possible.
Segregate all clean and contaminated materials in the work area.
Avoid using techniques or procedures that disrupt the airflow patterns of
the enclosure.
Final Purging
Upon completion of work, the enclosure should be allowed to operate for
two to three minutes undisturbed, to purge airborne contaminants from the
work area before shutting down the blower.
Unloading Materials and Equipment
Objects in contact with contaminated material should be surface
decontaminated before removal from the enclosure.
All open trays, weigh vessels or containers should be covered before being
removed from the enclosure.
Shutdown
Turn off the exhaust system and light.
Suitable Applications
NIOSH (National Institute for Occupational Safety and Health, USA) has
established guidelines for chemical cartridge and HEPA filtered respirators.
Suitable applications for the filtered enclosures are based on these guidelines. As
with respirators, chemical contaminants are adsorbed or treated by carbon;
particulates, powders and biohazardous materials are filtered by the HEPA filter
before air is returned to the room. Biohazardous materials or other hazardous
solids can be used with the HEPA filtered enclosure as long as appropriate
decontamination occurs before filter changing operations. See Chapter 6 for
decontamination procedures.
Listed below are suitable applications for HEPA filters and accessory Odor
Control Carbon Filters.