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Historical and Current Uses of Pesticides
on California labels over a 2-year period. Throughout the review of the
data, DPR scientists identifed risks to bees when using neonics on a
number of crops. After publishing the risk determination document,
DPR received additional information that was then incorporated into
an addendum to the risk determination and published in January 2019.
These documents were used to inform DPR’s risk mitigation efforts.
For more information regarding the scientifc methods that were used
in producing this risk determination, view the risk determination
document chemicals/neonicotinoid_risk_determination.pdf>.
Since publishing the January 2019 addendum to the risk determination, DPR has been working on how to appropriately mitigate the identifed risks. Staff have pursued fnding a complex balance between the
need to keep a critical crop protection tool available, while simultaneously trying to understand current cultivation practices, pest pressures,
and use patterns. DPR used that understanding to develop proposed
mitigation measures to protect bees. In addition to the worst-case scenario residue studies, DPR has additional studies on fle that were not
based on worst-case scenarios. In the time since publishing the addendum, DPR has reviewed these studies to identify whether lower application rates could serve as a mitigation option.
DPR is proposing to implement the needed mitigation measures by
adopting regulations, rather than through label changes. The draft regulations include both general mitigation measures and specifc mitigation by crop group. The uses of neonics pose different risks depending
on the crop to which they are applied, and in some cases, depending on
which neonic is used.
Additional information will be sent out through DPR’s California
Notice to Stakeholders electronic mailing list. Following the webinars,
DPR will have an open 30-day comment period to solicit comments
from stakeholders. DPR will consider all feedback and make adjustments to the mitigation where appropriate. The goal is to develop the
fnal rulemaking package and begin the offcial public notice process
later in 2020.
While DPR progresses through the rulemaking process for neonics, the department has already instituted several bee protections. The
California Managed Pollinator Protection Plan is a central location
document to fnd all of California’s initiatives to protect pollinators,
including current laws and regulations, citrus bee protection areas, bee
protection practice agreements, bee registration and notice of applications, and current label language.
In January 2020, U.S. EPA released the Preliminary Interim Decision
for each of the neonic active ingredients. U.S. EPA conducted a broader
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