One thing to bear in mind is that phosphine is extremely corrosive to copper. It also requires long exposure periods and therefore excellent sealing of the fumigation container.

Mr Robert N Emery | Principal Entomologist
Biosecurity and Regulation | Entomology Branch
Department of Agriculture and Food, Western Australia
Visiting Professor, Chengdu Grain Storage Research Institute, PR China
3 Baron-Hay Court, South Perth  WA  6151
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ECN-L Digest - 25 Feb 2017 to 27 Feb 2017 (#2017-18)
Table of contents:

  *   Fumigation with Phosphines
1.      Fumigation with Phosphines
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