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Agreement to Cancel Methomyl Use on Some Crops

For Release: August 11, 2014

EPA and the manufacturers of the insecticide methomyl have agreed to cancel the use of methomyl on barley, oat, and rye, limit its use on wheat to Idaho, Oregon, and Washington, and reduce the application rates and the number of applications for some crops by 20-50%. These actions are in response to EPA’s evaluation of data showing risk from methomyl in drinking water. EPA is taking this action to protect human health and the environment.

We expect to release the human health and ecological risk assessments for methomyl for public comment in early 2016. Additional mitigation measures may be identified as EPA continues its evaluation of this pesticide.

EPA is taking steps to make sure that the new use restrictions appear on all methomyl product labels beginning in late 2014. This will ensure timely implementation of changes to the number of applications and maximum seasonal rate for several crops. Specifically, the mitigation measures include:

The nationwide mitigation measures can be viewed in the risk mitigation decision document available at Regulations.gov.



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