§ 186.3800 - Magnesium phosphide.  


Latest version.
  • The feed additive magnesium phosphide may be safely used in accordance with the following prescribed conditions:

    (a) It is used to generate phosphine in the fumigation of animal feeds.

    (b) To assure safe use of the additive, it is used in compliance with the label and labeling conforming to that registered with the U.S. Environmental Protection Agency. The labeling shall bear a warning to aerate the finished feed for 48 hours before use. A further warning shall state that under no condition should the formulation containing magnesium phosphide be used so that it or its unreacted residues will come in contact with any processed feed.

    (c) Residues of phosphine in or on animal feeds do not exceed 0.1 part per million.