Due to increase in global trade, the demand for professional fumigation services is increasing for various commodities, packaging material, pharmacy products, spices, etc. at the same time awareness about pesticide residues is also increasing. Hence selection of the right fumigant and its appropriate use is of great importance.

Fumigation has an important position in PCO's activities as it is the most effective, convenient and quick curative method. Fumigants act on all insect life stages. They control pests by diffusing through the air spaces between grain kernels as well into the kernel itself. Fumigants are able to penetrate into places that are inaccessible to insecticide sprays or dusts.