Carbonyl sulfide is a potential alternative fumigant to methyl bromide and phosphine. Dazomet is a common soil fumigant that acts as a herbicide, fungicide, and nematicide. Used as a fumigant, spearmint essential oil is an effective insecticide against adult moths. AlP is used as a rodenticide, insecticide, and fumigant for stored cereal grains. A fumigation system can be used to administer a fumigant (normally phosphine) to the silo. AlP is used as both a fumigant and an oral pesticide. A nematicide fumigant that is specific to the genus "Ditylenchus" should be used. Malathion used as a fumigant was not associated with increased cancer risk. Cyanogen fluoride is a very volatile fumigant, disinfectant and animal pest killer. In the 1960s, propargyl bromide was first used in a soil fumigant called Trizone. The insecticidal action of anethole is greater as a fumigant than as a contact agent. Tobacco smoke is used as a fumigant and inhalant. Naphthalene has been used as a household fumigant. Next, the fumigant is released into the space to be fumigated. It is a soil fumigant formerly used in American agriculture.