Labconco FilterMatPortable Exhausters 3970024 - Manual (Page 30)

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Chapter 4: Using FilterMate
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• Use in areas where only trained users have access to the
enclosure. Any new users must be trained and should
also read this Instruction Manual.
• Do not use the FilterMate in a poorly ventilated area. If
the FilterMate 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.
• 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.
• 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 filter may be saturated.
• Highly toxic vapors, unknown reaction, hazardous
particulate, biological hazards or processes generating
high levels of contaminants are not intended for use in
the enclosure and FilterMate. Consult your Safety
Officer.
• Only chemicals, which can be safely adsorbed/treated
with the specific carbon based filters installed or
removed by HEPA filters are appropriate for use in this
enclosure.
• Use the smallest possible quantity of chemical(s) within
the enclosure and never exceed the amount, which can
be effectively adsorbed by the filter before
breakthrough.
• Adjust face velocity to fall between 60 and 100 FPM.
For weighing procedures, adjust face velocity between
60 and 80 FPM.
• Leave the blower on for at least one minute after work
in the enclosure has been completed.