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EPA Releases its Final Herbicide Strategy—Drift Reduction Adjuvants are Included
In a major scientific and policy victory for CPDA members, EPA released its final Herbicide Strategy, which includes Drift Reduction Adjuvants (DRAs) as an approved mitigation measure.
By way of review, EPA’s Endangered Species Act Workplan dictates what EPA must do during the pesticide registration or registration review process. If a product “may affect” a listed species, EPA must consult with the U.S. Fish and Wildlife Service and the National Marine Fisheries Service (the Services), as applicable. During consultation, the Services provide EPA with measures, where needed, to avoid jeopardy to listed species and adverse modification of critical habitats from a pesticide. To better protect listed species, EPA is working to improve how EPA assesses effects to listed species in its pesticide evaluations and consultation processes. One of these processes is the use of various “strategies” to protect listed species, including the Herbicide Strategy.
The Herbicide Strategy is designed to protect over nine hundred listed species from the potential impacts of herbicides. The final strategy includes more options for mitigation measures compared to the draft, including DRAs. The strategy also reduces the level of mitigation needed for applicators who have already implemented measures identified in the strategy to reduce pesticide movement from treated fields into habitats through pesticide spray drift and runoff from a field. The measures include cover crops, conservation tillage, windbreaks, and DRAs and other adjuvants.
The final strategy itself does not impose any requirements or restrictions on pesticide use. Rather, EPA will use the strategy to inform mitigations for new active ingredient registrations and registration review of conventional herbicides. EPA recognized that the spray drift and runoff mitigations from the strategy can be complicated for some pesticide users to adopt for the first time.
EPA has developed a guide that outlined multiple real-world examples of how a pesticide applicator could adopt the mitigation from this strategy when those measures appear on pesticide labels. To help applicators evaluate mitigation options, EPA will release a mitigation menu website this fall.
CPDA distributed a press release commending the inclusion of adjuvants in EPA’s final Herbicide Strategy which was picked up by The Scoop.
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