Wet-Dry Vacuum Cleaners

Housekeeping. Housekeeping practices used in the laboratory must be capable of suppressing the formation of aerosols (6). To accomplish this, wet mopping or the use of vacuum cleaners equipped with a certified HEPA and/or charcoal filter on the exhaust should be used. Dry sweeping or dry mopping are prohibited to prevent formation of an aerosol. 

A mixture of dry and wet waste, such as vegetable scraps, fruit peelings and cores, egg shells, coffee grains, tea bags, cardboard from egg cartons and toilet rolls, shredded paper, dust from the vacuum cleaner. 

Housekeeping Use a wet mop or a vacuum cleaner equipped with a HEPA filter instead of dry sweeping if the toxic substance was a dry powder (50). 

Use a wet mop and HEPA-filtered vacuum cleaner for removing any dry powders. 

PP filtering materials are used both in dry (for dust control and removal of particles including automative filtration, cabin air filters, vacuum cleaner bags, masks) and wet media (such as filters for paintings, water, chemicals, alcoholic drinks). 

The usual wet and dry, industrial-type vacuum cleaner is a potent aerosol generator. A HEPA filter on the exhaust of a well-sealed... 

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