Sorry, no definitions found. You may find more data at phostoxin.
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Phostoxin and methyl bromide are examples of effective fumigants.
Such as sheet metal, tin snips, Malathion powder, Phostoxin tablets.
There are far less dangerous methods for removing burrowing animals from a property, and I would urge anyone to refuse a service if their pest control company wants to use Fumitoxin (or Phostoxin).