All Knowledge & Insights By Date

On March 29, 2024, the California Department of Pesticide Regulation (DPR) announced it will hold a webinar on Tuesday, April 23, 2024, at 10:00 a.m. (PDT) to discuss and receive feedback from registrants and other stakeholders on its intent to increase registration fees to a level that, according to DPR, supports the current and future business needs of the pesticide registration program. DPR states it has determined that current registration fees are not sufficient to...

On May 29, 2019, the California Department of Pesticide Regulation (DPR) released California Notice 2019-05: Changes to California Notice 2018-06: California-like Conditions for Terrestrial Field Dissipation Studies (Notice 2019-05), which updates the guidance in California Notice 2018-06: California-like Conditions for Terrestrial Field Dissipation Studies (Notice 2018-06).   Notice 2018-06, issued in January of 2018, provided to applicants for California registration...

On May 28, 2019, the California Department of Pesticide Regulation (DPR) posted a new presentation identifying the top ten agricultural pesticide use violations of 2018.  Its announcement states that “DPR suggests reviewing these common violations of pesticide laws and regulations to help ensure … compliance.”  The presentation, “Top 10 Agricultural Pesticide Use Violations of 2018,” is available here.  The violations are listed from the least common (number 10) to...

On May 8, 2019, the California Environmental Protection Agency (CalEPA) announced that the California Department of Pesticide Regulation (DPR) will be initiating cancellation proceedings of chlorpyrifos.  In its press release, CalEPA states that the decision to commence cancellation proceedings “follows mounting evidence, including recent findings by the state’s independent Scientific Review Panel on Toxic Air Contaminants, that the pesticide causes serious health...

On September 19, 2018, the California Department of Pesticide Regulation (DPR) proposed a regulation to designate chlorpyrifos as a toxic air contaminant (TAC).  DPR states that this proposal is being presented “after an extensive period of scientific and public review.”  The proposed rule is based on a final evaluation issued in July 2018, in which DPR’s Human Health Assessment (HHA) Branch determined that chlorpyrifos meets the quantitative criteria for designation as...

In July 2018, the California Environmental Protection Agency’s Department of Pesticide Regulation (DPR), Human Health Assessment (HHA) Branch, issued its final toxic air contaminant (TAC) evaluation of chlorpyrifos.  This final TAC evaluation updates the December 2017 draft evaluation of chlorpyrifos as a TAC for the Scientific Review Panel (SRP) which updated the August 2017 draft and was reviewed by the SRP on TACs, and incorporates certain changes based on SRP...

On April 23, 2018, the California Department of Pesticide Regulation (DPR) circulated a presentation entitled “Top 10 Agricultural Pesticide Use Violations of 2017” that identifies the top ten agricultural most common pesticide use violations of 2017 in California.  The violations are listed from the least common (#10) to the most common (#1): 10.       Handler Training, regulated under Title 3 of the California Code of Regulations (C.C.R.) §...

On January 3, 2018, the California Department of Pesticide Regulation (DPR) issued Notice 2018-01:  Expanding Use of Pesticide Products Under Reevaluation.  Under Notice 2018-01, effective immediately, DPR will not act upon an Application for Pesticide Registration or an Application to Amend a Pesticide Product if it determines the registration or acceptance would potentially “expand use” of an active ingredient or pesticide product currently under reevaluation until the...

On May, 24, 2017, the California Department of Pesticide Regulation (DPR) issued guidance regarding its Notice 2015-13 to applicants registering pesticide impregnated materials bearing pesticide claims to be sold and distributed into or within California, per Notice 2015-13, issued December 11, 2015.  Each retailer (or authorized representative) of an affected product must submit an Application for Pesticide Registration (DPR-REG-030) to DPR by July 1, 2017.  The...

On February 22, 2017, the California Department of Pesticide Regulation (DPR) announced it was extending the filing date for applications to register products made from pesticide impregnated materials bearing pesticide claims from March 1, 2017, to July 1, 2017.  Specifically, each retailer (or authorized representative) of an affected product must submit an Application for Pesticide Registration (DPR-REG-030) to DPR by July 1, 2017.  DPR’s California Notice 2015-13 issued...