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Chapter 5: Using Your Filtered Enclosure and Appropriate Application
• Arrange for minimal disruptions, such as room traffic or
entry into the room while the enclosure is in use.
Start-up
• Turn on exhaust system and accessory light. Turn off the
UV light, if equipped.
• Only raise the sash for loading and cleaning.
• Check the baffle air slots for obstructions.
• Allow the enclosure to operate unobstructed for 1 minute.
• Wear a long sleeved lab coat and rubber gloves. Use
protective eyewear. Wear a protective mask if appropriate.
Consult your Safety Officer for additional personal
protective equipment recommendations.
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.
• If equipped, turn on the UV light to decontaminate the
work area as determined by your Safety Officer.