Labconco Fume Adsorbers 3955422 - Manual (Page 19)

Chapter 5: Appropriate Applications for Your Enclosure
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Shutdown

Turn off the exhaust system blower with the ON/OFF switch.
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 carbon filtered enclosures are based on guidelines
below. As with respirators, chemical contaminants are adsorbed or treated by
carbon.

Release of low concentrations of vapors effectively adsorbed or treated in
carbon based filters. Recommended for use with chemicals with a TWA of
100 or greater unless chemical can be filtered with the use of an
impregnated specialized filter; impregnated filters such as formaldehyde,
formalin, ammonia, and amines are examples of specialized 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 by using some other containment enclosure offered
by Labconco.
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 THOSE USED AS GUIDELINES FOR THIS
PRODUCT. IT IS THE USER’S RESPONSIBILITY TO
BECOME AWARE OF LOCAL REGULATIONS GOVERNING
THE SAFE USE AND DISPOSAL OF CHEMICALS AND
CARBON FILTERS. KNOWLEDGE OF ESTABLISHED SAFE
EXPOSURE LEVELS IS IMPERATIVE TO THE PROPER USE
OF CARBON FILTERED ENCLOSURES.
Appropriate Chemicals for Carbon Filters
Below is a general set of rules to determine appropriateness of chemical usage.
Selected organic chemicals considered to be occupational
carcinogens by NIOSH can only be used in the filtered
enclosure with carbon filters under rigid restrictions. See
separate discussion on next page on carcinogens for special
instructions.
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