FUMIGANT. A substance which by itself or in combination with any other substance emits or liberates a gas, fume or vapor utilized for the destruction or control of insects, rats or other vermin or fungi, germs or similar conditions, as distinguished from insecticides and disinfectants which are essentially effective in the solid or liquid phases. Examples are methyl bromide, ethylene dibromide, hydrogen cyanide, carbon disulfide and sulfuryl fluoride.
FUMIGATION. The utilization within an enclosed space of a fumigant in concentrations that are hazardous or acutely toxic to humans.
FUMIGATION AND INSECTICIDAL FOGGING OPERATION COMPANY CERTIFICATE. A certificate issued by the commissioner to a person engaged in the business of fumigation and insecticidal fogging operations, which authorizes an owner or principal of such business to conduct such fumigation and insecticidal fogging operations, for which such certificate is required by this code or the rules.
INSECTICIDAL FOGGING. The utilization of insecticidal liquids passed through fog-generating units where, by pressure and turbulence, and with or without addition of heat, such liquids are transformed and discharged in the form of fog or mist blown into an area to be treated.
Exception: Circulating fans that have been specifically designed for utilization in hazardous atmospheres and installed in accordance with the Electrical Code.