An aerosol is made up of fine airborne particles that may be a solid or liquid. The active ingredient is dissolved into a solvent with a propellant and packaged under pressure in disposable or reusable metal containers (cans). When the pressure is released, liquid passes through a nozzle and is broken up into fine droplets.
Pest management professionals like aerosols due to their convenience of use, and with the addition of an injection tip, the insecticide can be directed into cracks and crevices where pests hide (see related story). If not properly trained in their use, a professional may apply excess amounts of insecticide. Care must be taken to avoid inhaling tiny droplets of the aerosol in confined areas. To avoid prolonged exposure indoors, a respirator may be worn. Refer to the product label for specific instructions on personal protective equipment. – Gary Braness
(Source: Mallis Handbook of Pest Control, 10th Edition)
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