1) Derat 1) Disembarrass 2) Free 3) Rid of vermin 
To kill pathogens that have not yet initiated disease, but that occur in or on such inanimate objects as soil, tools, etc., or that occur on the surface of such plant parts as seed. 
To kill pathogens that have not yet initiated disease, but that occur in or on such inanimate objects as soil, tools and so on, or that occur on the surface of such plant parts as seeds.
[v] - rid of vermin
verb rid of vermin; `The exterminator disinfests the house`
to rid of insects, rodents, etc.